./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.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 f51329798d39553bfe6698070ebd1150c84493b84ecd2c17e90b69fb6b7c2e13 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:35:31,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:35:31,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:35:31,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:35:31,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:35:31,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:35:31,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:35:31,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:35:31,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:35:31,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:35:31,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:35:31,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:35:31,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:35:31,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:35:31,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:35:31,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:35:31,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:35:31,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:35:31,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:35:31,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:35:31,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:35:31,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:35:31,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:35:31,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:35:31,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:35:31,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:35:31,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:35:31,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:35:31,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:35:31,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:35:31,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:35:31,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:35:31,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:35:31,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:35:31,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:35:31,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:35:31,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:35:31,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:35:31,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:35:31,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:35:31,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:35:31,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:35:31,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51329798d39553bfe6698070ebd1150c84493b84ecd2c17e90b69fb6b7c2e13 [2024-11-20 03:35:31,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:35:31,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:35:31,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:35:31,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:35:31,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:35:31,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-20 03:35:32,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:35:32,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:35:32,991 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-20 03:35:33,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584c2ed96/9a32f7d51cfd47dc94968dc539577d71/FLAG9b20ccbe2 [2024-11-20 03:35:33,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584c2ed96/9a32f7d51cfd47dc94968dc539577d71 [2024-11-20 03:35:33,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:35:33,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:35:33,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:35:33,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:35:33,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:35:33,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb82922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33, skipping insertion in model container [2024-11-20 03:35:33,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:35:33,268 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_fillercodesize_ps-cn-25_file-66.i[915,928] [2024-11-20 03:35:33,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:35:33,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:35:33,340 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_fillercodesize_ps-cn-25_file-66.i[915,928] [2024-11-20 03:35:33,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:35:33,391 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:35:33,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33 WrapperNode [2024-11-20 03:35:33,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:35:33,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:35:33,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:35:33,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:35:33,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,441 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-11-20 03:35:33,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:35:33,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:35:33,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:35:33,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:35:33,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,491 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]. [2024-11-20 03:35:33,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:35:33,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:35:33,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:35:33,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:35:33,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (1/1) ... [2024-11-20 03:35:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:35:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:35:33,600 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) [2024-11-20 03:35:33,603 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 [2024-11-20 03:35:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:35:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:35:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:35:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:35:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:35:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:35:33,709 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:35:33,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:35:34,023 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-20 03:35:34,024 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:35:34,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:35:34,038 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:35:34,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:35:34 BoogieIcfgContainer [2024-11-20 03:35:34,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:35:34,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:35:34,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:35:34,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:35:34,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:35:33" (1/3) ... [2024-11-20 03:35:34,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c2e658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:35:34, skipping insertion in model container [2024-11-20 03:35:34,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:35:33" (2/3) ... [2024-11-20 03:35:34,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c2e658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:35:34, skipping insertion in model container [2024-11-20 03:35:34,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:35:34" (3/3) ... [2024-11-20 03:35:34,047 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-20 03:35:34,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:35:34,060 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:35:34,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:35:34,128 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;@7b5a4097, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:35:34,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:35:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 03:35:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:34,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:34,151 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:34,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:34,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash -683655500, now seen corresponding path program 1 times [2024-11-20 03:35:34,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:34,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762434071] [2024-11-20 03:35:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:34,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:34,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:34,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762434071] [2024-11-20 03:35:34,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762434071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:34,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:34,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 03:35:34,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507383622] [2024-11-20 03:35:34,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:34,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 03:35:34,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:34,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 03:35:34,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:35:34,670 INFO L87 Difference]: Start difference. First operand has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 03:35:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:34,697 INFO L93 Difference]: Finished difference Result 173 states and 308 transitions. [2024-11-20 03:35:34,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 03:35:34,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-20 03:35:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:34,706 INFO L225 Difference]: With dead ends: 173 [2024-11-20 03:35:34,706 INFO L226 Difference]: Without dead ends: 86 [2024-11-20 03:35:34,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:35:34,713 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:34,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:35:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-20 03:35:34,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-20 03:35:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 03:35:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 134 transitions. [2024-11-20 03:35:34,770 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 134 transitions. Word has length 203 [2024-11-20 03:35:34,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:34,770 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 134 transitions. [2024-11-20 03:35:34,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 03:35:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2024-11-20 03:35:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:34,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:34,774 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:34,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:35:34,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:34,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1091206836, now seen corresponding path program 1 times [2024-11-20 03:35:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:34,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677749216] [2024-11-20 03:35:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:34,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:38,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:38,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677749216] [2024-11-20 03:35:38,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677749216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:38,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:38,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 03:35:38,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032985415] [2024-11-20 03:35:38,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:38,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 03:35:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 03:35:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:35:38,900 INFO L87 Difference]: Start difference. First operand 86 states and 134 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:39,674 INFO L93 Difference]: Finished difference Result 290 states and 429 transitions. [2024-11-20 03:35:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 03:35:39,675 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:39,677 INFO L225 Difference]: With dead ends: 290 [2024-11-20 03:35:39,677 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 03:35:39,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-20 03:35:39,679 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 180 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:39,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 889 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 03:35:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 03:35:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 131. [2024-11-20 03:35:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 03:35:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-20 03:35:39,695 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-20 03:35:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:39,696 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-20 03:35:39,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-20 03:35:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:39,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:39,699 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:39,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:35:39,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:39,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1093053878, now seen corresponding path program 1 times [2024-11-20 03:35:39,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:39,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076293545] [2024-11-20 03:35:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:39,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:43,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:43,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076293545] [2024-11-20 03:35:43,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076293545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:43,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:43,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 03:35:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979024882] [2024-11-20 03:35:43,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:43,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 03:35:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:43,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 03:35:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-20 03:35:43,757 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:45,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:45,391 INFO L93 Difference]: Finished difference Result 207 states and 290 transitions. [2024-11-20 03:35:45,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 03:35:45,392 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:45,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:45,397 INFO L225 Difference]: With dead ends: 207 [2024-11-20 03:35:45,400 INFO L226 Difference]: Without dead ends: 205 [2024-11-20 03:35:45,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-20 03:35:45,403 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 244 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:45,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 660 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 03:35:45,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-20 03:35:45,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 131. [2024-11-20 03:35:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 03:35:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-20 03:35:45,441 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-20 03:35:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:45,442 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-20 03:35:45,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-20 03:35:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:45,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:45,451 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:45,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 03:35:45,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:45,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1771265206, now seen corresponding path program 1 times [2024-11-20 03:35:45,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:45,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096748469] [2024-11-20 03:35:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:48,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:48,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096748469] [2024-11-20 03:35:48,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096748469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:48,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:48,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 03:35:48,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279971104] [2024-11-20 03:35:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:48,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 03:35:48,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:48,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 03:35:48,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:35:48,948 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:49,728 INFO L93 Difference]: Finished difference Result 214 states and 298 transitions. [2024-11-20 03:35:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 03:35:49,729 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:49,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:49,731 INFO L225 Difference]: With dead ends: 214 [2024-11-20 03:35:49,733 INFO L226 Difference]: Without dead ends: 212 [2024-11-20 03:35:49,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-20 03:35:49,736 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 260 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:49,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 739 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 03:35:49,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-20 03:35:49,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 135. [2024-11-20 03:35:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 97 states have internal predecessors, (134), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 03:35:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 206 transitions. [2024-11-20 03:35:49,765 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 206 transitions. Word has length 203 [2024-11-20 03:35:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:49,767 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 206 transitions. [2024-11-20 03:35:49,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 206 transitions. [2024-11-20 03:35:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:49,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:49,770 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:49,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 03:35:49,771 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:49,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:49,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1773112248, now seen corresponding path program 1 times [2024-11-20 03:35:49,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:49,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417632613] [2024-11-20 03:35:49,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:53,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:53,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417632613] [2024-11-20 03:35:53,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417632613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:53,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 03:35:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110972848] [2024-11-20 03:35:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:53,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 03:35:53,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 03:35:53,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-20 03:35:53,884 INFO L87 Difference]: Start difference. First operand 135 states and 206 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:54,972 INFO L93 Difference]: Finished difference Result 212 states and 296 transitions. [2024-11-20 03:35:54,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 03:35:54,972 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:54,974 INFO L225 Difference]: With dead ends: 212 [2024-11-20 03:35:54,974 INFO L226 Difference]: Without dead ends: 210 [2024-11-20 03:35:54,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-20 03:35:54,975 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 191 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:54,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 714 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 03:35:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-20 03:35:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 131. [2024-11-20 03:35:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 03:35:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-20 03:35:54,987 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-20 03:35:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:54,990 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-20 03:35:54,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-20 03:35:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:54,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:54,991 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:54,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 03:35:54,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:54,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1349372274, now seen corresponding path program 1 times [2024-11-20 03:35:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:54,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803202329] [2024-11-20 03:35:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:55,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803202329] [2024-11-20 03:35:55,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803202329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:55,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:55,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 03:35:55,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094223087] [2024-11-20 03:35:55,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:55,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 03:35:55,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:55,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 03:35:55,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:35:55,127 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:55,169 INFO L93 Difference]: Finished difference Result 368 states and 566 transitions. [2024-11-20 03:35:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:35:55,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:55,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:55,172 INFO L225 Difference]: With dead ends: 368 [2024-11-20 03:35:55,172 INFO L226 Difference]: Without dead ends: 240 [2024-11-20 03:35:55,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:35:55,177 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 121 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:55,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 366 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:35:55,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-20 03:35:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-11-20 03:35:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 161 states have (on average 1.329192546583851) internal successors, (214), 163 states have internal predecessors, (214), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 03:35:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 358 transitions. [2024-11-20 03:35:55,222 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 358 transitions. Word has length 203 [2024-11-20 03:35:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:55,224 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 358 transitions. [2024-11-20 03:35:55,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 358 transitions. [2024-11-20 03:35:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:55,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:55,227 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:55,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 03:35:55,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:55,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash 540025648, now seen corresponding path program 1 times [2024-11-20 03:35:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:55,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150928377] [2024-11-20 03:35:55,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:55,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:55,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150928377] [2024-11-20 03:35:55,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150928377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:55,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:55,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:35:55,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212800689] [2024-11-20 03:35:55,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:55,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:35:55,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:55,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:35:55,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:35:55,497 INFO L87 Difference]: Start difference. First operand 238 states and 358 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:55,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:55,778 INFO L93 Difference]: Finished difference Result 704 states and 1049 transitions. [2024-11-20 03:35:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:35:55,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:55,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:55,783 INFO L225 Difference]: With dead ends: 704 [2024-11-20 03:35:55,783 INFO L226 Difference]: Without dead ends: 469 [2024-11-20 03:35:55,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:35:55,786 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 91 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:55,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 398 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:35:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-20 03:35:55,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 424. [2024-11-20 03:35:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 275 states have (on average 1.3054545454545454) internal successors, (359), 278 states have internal predecessors, (359), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 137 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-20 03:35:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 639 transitions. [2024-11-20 03:35:55,833 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 639 transitions. Word has length 203 [2024-11-20 03:35:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:55,834 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 639 transitions. [2024-11-20 03:35:55,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 639 transitions. [2024-11-20 03:35:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:55,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:55,838 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:55,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 03:35:55,838 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:55,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1220084018, now seen corresponding path program 1 times [2024-11-20 03:35:55,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:55,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110041954] [2024-11-20 03:35:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:35:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:35:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:35:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:35:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:35:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:35:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:35:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:35:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:35:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:35:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:35:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:35:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:35:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:35:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:35:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:35:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:35:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:35:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:35:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:35:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:35:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:35:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:35:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:35:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:35:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:35:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:35:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:35:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:35:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:35:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:35:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:35:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:35:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:35:58,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:35:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110041954] [2024-11-20 03:35:58,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110041954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:35:58,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:35:58,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 03:35:58,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045189996] [2024-11-20 03:35:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:35:58,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 03:35:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:35:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 03:35:58,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-20 03:35:58,136 INFO L87 Difference]: Start difference. First operand 424 states and 639 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:58,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:35:58,868 INFO L93 Difference]: Finished difference Result 570 states and 806 transitions. [2024-11-20 03:35:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 03:35:58,868 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:35:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:35:58,871 INFO L225 Difference]: With dead ends: 570 [2024-11-20 03:35:58,871 INFO L226 Difference]: Without dead ends: 568 [2024-11-20 03:35:58,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:35:58,872 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 331 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:35:58,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 662 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 03:35:58,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-20 03:35:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 480. [2024-11-20 03:35:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 320 states have (on average 1.2875) internal successors, (412), 325 states have internal predecessors, (412), 148 states have call successors, (148), 11 states have call predecessors, (148), 11 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-20 03:35:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 708 transitions. [2024-11-20 03:35:58,920 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 708 transitions. Word has length 203 [2024-11-20 03:35:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:35:58,921 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 708 transitions. [2024-11-20 03:35:58,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:35:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 708 transitions. [2024-11-20 03:35:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:35:58,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:35:58,923 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:35:58,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 03:35:58,923 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:35:58,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:35:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1221931060, now seen corresponding path program 1 times [2024-11-20 03:35:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:35:58,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145740955] [2024-11-20 03:35:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:35:58,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:35:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:36:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:36:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:36:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:36:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:36:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:36:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:36:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:36:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:36:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:36:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:36:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:36:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:36:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:36:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:36:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:36:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:36:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:36:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:36:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:36:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:36:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:36:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:36:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:36:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:36:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:36:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:36:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:36:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:36:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:36:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:36:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:36:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:36:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:36:01,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145740955] [2024-11-20 03:36:01,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145740955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:36:01,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:36:01,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 03:36:01,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043419162] [2024-11-20 03:36:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:36:01,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 03:36:01,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:36:01,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 03:36:01,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-20 03:36:01,778 INFO L87 Difference]: Start difference. First operand 480 states and 708 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:36:03,628 INFO L93 Difference]: Finished difference Result 568 states and 804 transitions. [2024-11-20 03:36:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 03:36:03,629 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-20 03:36:03,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:36:03,631 INFO L225 Difference]: With dead ends: 568 [2024-11-20 03:36:03,631 INFO L226 Difference]: Without dead ends: 566 [2024-11-20 03:36:03,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-20 03:36:03,632 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 266 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:36:03,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 901 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 03:36:03,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-20 03:36:03,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 480. [2024-11-20 03:36:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 320 states have (on average 1.2875) internal successors, (412), 325 states have internal predecessors, (412), 148 states have call successors, (148), 11 states have call predecessors, (148), 11 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-20 03:36:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 708 transitions. [2024-11-20 03:36:03,670 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 708 transitions. Word has length 203 [2024-11-20 03:36:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:36:03,671 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 708 transitions. [2024-11-20 03:36:03,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 708 transitions. [2024-11-20 03:36:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 03:36:03,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:36:03,672 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:36:03,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 03:36:03,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:36:03,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:36:03,672 INFO L85 PathProgramCache]: Analyzing trace with hash 504400822, now seen corresponding path program 1 times [2024-11-20 03:36:03,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:36:03,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140025997] [2024-11-20 03:36:03,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:36:03,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:36:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:36:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:36:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:36:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:36:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:36:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:36:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:36:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:36:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:36:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:36:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:36:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:36:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:36:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:36:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:36:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:36:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:36:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:36:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:36:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:36:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:36:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:36:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:36:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:36:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:36:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:36:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:36:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:36:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:36:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:36:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:36:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:36:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:36:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:36:04,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140025997] [2024-11-20 03:36:04,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140025997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:36:04,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:36:04,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:36:04,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684804194] [2024-11-20 03:36:04,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:36:04,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:36:04,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:36:04,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:36:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:36:04,008 INFO L87 Difference]: Start difference. First operand 480 states and 708 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 03:36:04,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:36:04,315 INFO L93 Difference]: Finished difference Result 892 states and 1301 transitions. [2024-11-20 03:36:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:36:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-20 03:36:04,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:36:04,321 INFO L225 Difference]: With dead ends: 892 [2024-11-20 03:36:04,321 INFO L226 Difference]: Without dead ends: 487 [2024-11-20 03:36:04,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:36:04,324 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 143 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:36:04,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 258 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:36:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-20 03:36:04,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 478. [2024-11-20 03:36:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 312 states have (on average 1.2532051282051282) internal successors, (391), 317 states have internal predecessors, (391), 152 states have call successors, (152), 13 states have call predecessors, (152), 13 states have return successors, (152), 147 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 03:36:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 695 transitions. [2024-11-20 03:36:04,360 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 695 transitions. Word has length 203 [2024-11-20 03:36:04,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:36:04,361 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 695 transitions. [2024-11-20 03:36:04,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 03:36:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 695 transitions. [2024-11-20 03:36:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 03:36:04,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:36:04,362 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:36:04,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 03:36:04,362 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:36:04,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:36:04,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1476969059, now seen corresponding path program 1 times [2024-11-20 03:36:04,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:36:04,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144260095] [2024-11-20 03:36:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:36:04,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:36:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:36:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:36:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:36:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:36:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:36:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:36:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:36:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:36:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:36:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:36:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:36:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:36:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:36:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:36:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:36:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:36:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:36:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:36:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:36:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:36:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:36:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:36:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:36:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:36:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:36:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:36:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:36:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:36:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:36:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:36:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:36:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:36:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:36:06,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:36:06,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144260095] [2024-11-20 03:36:06,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144260095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:36:06,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:36:06,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 03:36:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244656118] [2024-11-20 03:36:06,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:36:06,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 03:36:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:36:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 03:36:06,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-20 03:36:06,906 INFO L87 Difference]: Start difference. First operand 478 states and 695 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:36:07,898 INFO L93 Difference]: Finished difference Result 915 states and 1300 transitions. [2024-11-20 03:36:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 03:36:07,899 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 204 [2024-11-20 03:36:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:36:07,903 INFO L225 Difference]: With dead ends: 915 [2024-11-20 03:36:07,903 INFO L226 Difference]: Without dead ends: 677 [2024-11-20 03:36:07,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-20 03:36:07,905 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 246 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:36:07,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1069 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 03:36:07,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-20 03:36:07,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 497. [2024-11-20 03:36:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 333 states have (on average 1.2672672672672673) internal successors, (422), 337 states have internal predecessors, (422), 148 states have call successors, (148), 15 states have call predecessors, (148), 15 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-20 03:36:07,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 718 transitions. [2024-11-20 03:36:07,947 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 718 transitions. Word has length 204 [2024-11-20 03:36:07,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:36:07,948 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 718 transitions. [2024-11-20 03:36:07,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 718 transitions. [2024-11-20 03:36:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 03:36:07,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:36:07,949 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:36:07,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 03:36:07,949 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:36:07,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:36:07,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1475122017, now seen corresponding path program 1 times [2024-11-20 03:36:07,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:36:07,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147667583] [2024-11-20 03:36:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:36:07,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:36:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:36:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:36:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:36:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:36:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:36:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:36:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:36:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:36:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:36:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:36:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:36:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:36:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:36:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:36:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:36:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:36:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:36:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:36:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:36:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:36:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:36:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:36:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:36:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:36:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:36:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:36:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:36:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:36:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:36:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:36:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:36:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:36:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:36:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 03:36:41,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:36:41,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147667583] [2024-11-20 03:36:41,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147667583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:36:41,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:36:41,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 03:36:41,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991029838] [2024-11-20 03:36:41,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:36:41,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 03:36:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:36:41,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 03:36:41,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-20 03:36:41,213 INFO L87 Difference]: Start difference. First operand 497 states and 718 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:36:45,746 INFO L93 Difference]: Finished difference Result 692 states and 962 transitions. [2024-11-20 03:36:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 03:36:45,746 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 204 [2024-11-20 03:36:45,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:36:45,750 INFO L225 Difference]: With dead ends: 692 [2024-11-20 03:36:45,750 INFO L226 Difference]: Without dead ends: 690 [2024-11-20 03:36:45,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2024-11-20 03:36:45,751 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 416 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:36:45,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1193 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 03:36:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-20 03:36:45,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 500. [2024-11-20 03:36:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 336 states have (on average 1.2678571428571428) internal successors, (426), 340 states have internal predecessors, (426), 148 states have call successors, (148), 15 states have call predecessors, (148), 15 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-20 03:36:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 722 transitions. [2024-11-20 03:36:45,792 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 722 transitions. Word has length 204 [2024-11-20 03:36:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:36:45,793 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 722 transitions. [2024-11-20 03:36:45,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 03:36:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 722 transitions. [2024-11-20 03:36:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 03:36:45,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:36:45,795 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:36:45,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 03:36:45,795 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:36:45,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:36:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash -796910689, now seen corresponding path program 1 times [2024-11-20 03:36:45,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:36:45,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322336023] [2024-11-20 03:36:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:36:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:36:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat