./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_operatoramount_amount500_file-4.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_operatoramount_amount500_file-4.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 86050a320677a833f953e3d24f630a372e53eb7ac1e89a394e20853921226e93 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:53:26,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:53:26,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:53:26,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:53:26,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:53:26,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:53:26,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:53:26,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:53:26,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:53:26,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:53:26,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:53:26,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:53:26,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:53:26,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:53:26,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:53:26,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:53:26,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:53:26,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:53:26,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:53:26,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:53:26,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:53:26,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:53:26,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:53:26,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:53:26,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:53:26,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:53:26,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:53:26,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:53:26,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:53:26,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:53:26,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:53:26,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:53:26,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:53:26,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:53:26,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:53:26,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:53:26,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:53:26,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:53:26,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:53:26,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:53:26,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:53:26,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:53:26,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86050a320677a833f953e3d24f630a372e53eb7ac1e89a394e20853921226e93 [2024-11-20 07:53:26,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:53:26,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:53:26,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:53:26,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:53:26,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:53:26,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-4.i [2024-11-20 07:53:28,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:53:28,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:53:28,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-4.i [2024-11-20 07:53:28,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8da5d74/3a11df7421f34877881689e9c6f9c17d/FLAGd6d53ccc5 [2024-11-20 07:53:28,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8da5d74/3a11df7421f34877881689e9c6f9c17d [2024-11-20 07:53:28,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:53:28,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:53:28,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:53:28,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:53:28,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:53:28,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:28" (1/1) ... [2024-11-20 07:53:28,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9560647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:28, skipping insertion in model container [2024-11-20 07:53:28,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:28" (1/1) ... [2024-11-20 07:53:28,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:53:28,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-4.i[915,928] [2024-11-20 07:53:29,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:53:29,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:53:29,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-4.i[915,928] [2024-11-20 07:53:29,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:53:29,263 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:53:29,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29 WrapperNode [2024-11-20 07:53:29,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:53:29,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:53:29,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:53:29,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:53:29,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,410 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 624 [2024-11-20 07:53:29,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:53:29,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:53:29,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:53:29,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:53:29,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,545 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 07:53:29,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:53:29,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:53:29,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:53:29,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:53:29,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (1/1) ... [2024-11-20 07:53:29,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:53:29,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:53:29,688 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 07:53:29,693 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 07:53:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:53:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:53:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:53:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:53:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:53:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:53:29,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:53:29,969 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:53:31,184 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-20 07:53:31,185 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:53:31,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:53:31,208 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:53:31,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:31 BoogieIcfgContainer [2024-11-20 07:53:31,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:53:31,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:53:31,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:53:31,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:53:31,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:53:28" (1/3) ... [2024-11-20 07:53:31,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e412cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:31, skipping insertion in model container [2024-11-20 07:53:31,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:29" (2/3) ... [2024-11-20 07:53:31,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e412cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:31, skipping insertion in model container [2024-11-20 07:53:31,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:31" (3/3) ... [2024-11-20 07:53:31,233 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-4.i [2024-11-20 07:53:31,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:53:31,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:53:31,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:53:31,354 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;@aaba906, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:53:31,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:53:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 178 states have (on average 1.5449438202247192) internal successors, (275), 179 states have internal predecessors, (275), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-20 07:53:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:31,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:31,399 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:31,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -375888651, now seen corresponding path program 1 times [2024-11-20 07:53:31,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:31,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666615884] [2024-11-20 07:53:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:32,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:32,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666615884] [2024-11-20 07:53:32,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666615884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:32,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:32,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:53:32,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676795582] [2024-11-20 07:53:32,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:32,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:53:32,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:32,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:53:32,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:53:32,502 INFO L87 Difference]: Start difference. First operand has 242 states, 178 states have (on average 1.5449438202247192) internal successors, (275), 179 states have internal predecessors, (275), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:32,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:32,567 INFO L93 Difference]: Finished difference Result 475 states and 845 transitions. [2024-11-20 07:53:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:53:32,569 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:32,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:32,584 INFO L225 Difference]: With dead ends: 475 [2024-11-20 07:53:32,584 INFO L226 Difference]: Without dead ends: 236 [2024-11-20 07:53:32,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 07:53:32,593 INFO L432 NwaCegarLoop]: 385 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, 385 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 07:53:32,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:53:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-20 07:53:32,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-20 07:53:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 173 states have (on average 1.5202312138728324) internal successors, (263), 173 states have internal predecessors, (263), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-20 07:53:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 385 transitions. [2024-11-20 07:53:32,671 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 385 transitions. Word has length 428 [2024-11-20 07:53:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:32,677 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 385 transitions. [2024-11-20 07:53:32,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 385 transitions. [2024-11-20 07:53:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:32,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:32,689 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:32,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:53:32,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:32,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1242613229, now seen corresponding path program 1 times [2024-11-20 07:53:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:32,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855740707] [2024-11-20 07:53:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:33,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:33,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855740707] [2024-11-20 07:53:33,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855740707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:33,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:33,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:53:33,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004452399] [2024-11-20 07:53:33,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:33,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:53:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:53:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:53:33,279 INFO L87 Difference]: Start difference. First operand 236 states and 385 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:33,480 INFO L93 Difference]: Finished difference Result 583 states and 952 transitions. [2024-11-20 07:53:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:53:33,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:33,486 INFO L225 Difference]: With dead ends: 583 [2024-11-20 07:53:33,486 INFO L226 Difference]: Without dead ends: 350 [2024-11-20 07:53:33,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 07:53:33,488 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 168 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:33,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 731 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:53:33,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-20 07:53:33,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 347. [2024-11-20 07:53:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 279 states have (on average 1.5448028673835126) internal successors, (431), 280 states have internal predecessors, (431), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-20 07:53:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 561 transitions. [2024-11-20 07:53:33,539 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 561 transitions. Word has length 428 [2024-11-20 07:53:33,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:33,541 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 561 transitions. [2024-11-20 07:53:33,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 561 transitions. [2024-11-20 07:53:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:33,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:33,549 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:33,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:53:33,550 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:33,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -806774613, now seen corresponding path program 1 times [2024-11-20 07:53:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:33,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693349690] [2024-11-20 07:53:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:35,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:35,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693349690] [2024-11-20 07:53:35,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693349690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:35,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:35,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:53:35,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964704788] [2024-11-20 07:53:35,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:35,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:53:35,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:53:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:35,040 INFO L87 Difference]: Start difference. First operand 347 states and 561 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:35,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:35,423 INFO L93 Difference]: Finished difference Result 1019 states and 1650 transitions. [2024-11-20 07:53:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:53:35,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:35,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:35,436 INFO L225 Difference]: With dead ends: 1019 [2024-11-20 07:53:35,436 INFO L226 Difference]: Without dead ends: 675 [2024-11-20 07:53:35,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:53:35,439 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 293 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:35,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1132 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:53:35,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-20 07:53:35,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 479. [2024-11-20 07:53:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 348 states have (on average 1.4827586206896552) internal successors, (516), 349 states have internal predecessors, (516), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 07:53:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 768 transitions. [2024-11-20 07:53:35,501 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 768 transitions. Word has length 428 [2024-11-20 07:53:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:35,503 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 768 transitions. [2024-11-20 07:53:35,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 768 transitions. [2024-11-20 07:53:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:35,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:35,509 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:35,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:53:35,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1632221929, now seen corresponding path program 1 times [2024-11-20 07:53:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:35,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571536047] [2024-11-20 07:53:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:36,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:36,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571536047] [2024-11-20 07:53:36,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571536047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:36,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:36,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:53:36,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117346857] [2024-11-20 07:53:36,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:36,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:53:36,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:36,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:53:36,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:36,558 INFO L87 Difference]: Start difference. First operand 479 states and 768 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:36,881 INFO L93 Difference]: Finished difference Result 1026 states and 1658 transitions. [2024-11-20 07:53:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:53:36,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:36,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:36,889 INFO L225 Difference]: With dead ends: 1026 [2024-11-20 07:53:36,889 INFO L226 Difference]: Without dead ends: 675 [2024-11-20 07:53:36,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:53:36,893 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 328 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:36,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1132 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:53:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-20 07:53:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 479. [2024-11-20 07:53:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 348 states have (on average 1.4798850574712643) internal successors, (515), 349 states have internal predecessors, (515), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 07:53:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 767 transitions. [2024-11-20 07:53:36,947 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 767 transitions. Word has length 428 [2024-11-20 07:53:36,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:36,949 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 767 transitions. [2024-11-20 07:53:36,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 767 transitions. [2024-11-20 07:53:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:36,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:36,957 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:36,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:53:36,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:36,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:36,959 INFO L85 PathProgramCache]: Analyzing trace with hash -276235861, now seen corresponding path program 1 times [2024-11-20 07:53:36,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:36,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511261892] [2024-11-20 07:53:36,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:36,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:38,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:38,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511261892] [2024-11-20 07:53:38,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511261892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:38,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:38,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:53:38,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806428648] [2024-11-20 07:53:38,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:38,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:53:38,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:38,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:53:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:38,886 INFO L87 Difference]: Start difference. First operand 479 states and 767 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:39,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:39,042 INFO L93 Difference]: Finished difference Result 1044 states and 1676 transitions. [2024-11-20 07:53:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:53:39,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:39,048 INFO L225 Difference]: With dead ends: 1044 [2024-11-20 07:53:39,049 INFO L226 Difference]: Without dead ends: 700 [2024-11-20 07:53:39,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:39,053 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 529 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:39,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 756 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:53:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-20 07:53:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 487. [2024-11-20 07:53:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 355 states have (on average 1.4704225352112676) internal successors, (522), 356 states have internal predecessors, (522), 126 states have call successors, (126), 5 states have call predecessors, (126), 5 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 07:53:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 774 transitions. [2024-11-20 07:53:39,105 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 774 transitions. Word has length 428 [2024-11-20 07:53:39,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:39,106 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 774 transitions. [2024-11-20 07:53:39,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 774 transitions. [2024-11-20 07:53:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:39,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:39,112 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:39,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:53:39,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:39,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:39,113 INFO L85 PathProgramCache]: Analyzing trace with hash -235561111, now seen corresponding path program 1 times [2024-11-20 07:53:39,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:39,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735245585] [2024-11-20 07:53:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:39,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:40,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:40,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735245585] [2024-11-20 07:53:40,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735245585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:40,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:40,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:53:40,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956482989] [2024-11-20 07:53:40,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:40,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:53:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:53:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:40,614 INFO L87 Difference]: Start difference. First operand 487 states and 774 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:40,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:40,768 INFO L93 Difference]: Finished difference Result 1167 states and 1856 transitions. [2024-11-20 07:53:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:53:40,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:40,775 INFO L225 Difference]: With dead ends: 1167 [2024-11-20 07:53:40,775 INFO L226 Difference]: Without dead ends: 815 [2024-11-20 07:53:40,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:40,777 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 234 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:40,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1121 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:53:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-20 07:53:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 585. [2024-11-20 07:53:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 453 states have (on average 1.5165562913907285) internal successors, (687), 454 states have internal predecessors, (687), 126 states have call successors, (126), 5 states have call predecessors, (126), 5 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 07:53:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 939 transitions. [2024-11-20 07:53:40,821 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 939 transitions. Word has length 428 [2024-11-20 07:53:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:40,822 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 939 transitions. [2024-11-20 07:53:40,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 939 transitions. [2024-11-20 07:53:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-20 07:53:40,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:40,828 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:40,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:53:40,828 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:40,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash 187140715, now seen corresponding path program 1 times [2024-11-20 07:53:40,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:40,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876913221] [2024-11-20 07:53:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:40,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:44,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:44,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876913221] [2024-11-20 07:53:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876913221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:44,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:53:44,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954573147] [2024-11-20 07:53:44,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:44,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:53:44,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:44,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:53:44,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:53:44,445 INFO L87 Difference]: Start difference. First operand 585 states and 939 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:44,946 INFO L93 Difference]: Finished difference Result 1720 states and 2790 transitions. [2024-11-20 07:53:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:53:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 428 [2024-11-20 07:53:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:44,954 INFO L225 Difference]: With dead ends: 1720 [2024-11-20 07:53:44,954 INFO L226 Difference]: Without dead ends: 1270 [2024-11-20 07:53:44,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:53:44,956 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 581 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:44,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1615 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 07:53:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-11-20 07:53:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1033. [2024-11-20 07:53:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 833 states have (on average 1.5354141656662665) internal successors, (1279), 835 states have internal predecessors, (1279), 191 states have call successors, (191), 8 states have call predecessors, (191), 8 states have return successors, (191), 189 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-20 07:53:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1661 transitions. [2024-11-20 07:53:45,039 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1661 transitions. Word has length 428 [2024-11-20 07:53:45,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:45,040 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1661 transitions. [2024-11-20 07:53:45,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1661 transitions. [2024-11-20 07:53:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-20 07:53:45,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:45,047 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:45,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 07:53:45,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:45,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash 479818800, now seen corresponding path program 1 times [2024-11-20 07:53:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:45,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559815272] [2024-11-20 07:53:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:45,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 12 proven. 168 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:53:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:48,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559815272] [2024-11-20 07:53:48,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559815272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:53:48,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930956158] [2024-11-20 07:53:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:48,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:53:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:53:48,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:53:48,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 07:53:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:49,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:53:49,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:53:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 964 proven. 168 refuted. 0 times theorem prover too weak. 6188 trivial. 0 not checked. [2024-11-20 07:53:49,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:53:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 12 proven. 168 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:53:50,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930956158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:53:50,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:53:50,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-20 07:53:50,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129968983] [2024-11-20 07:53:50,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:53:50,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:53:50,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:50,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:53:50,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:53:50,642 INFO L87 Difference]: Start difference. First operand 1033 states and 1661 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 2 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) [2024-11-20 07:53:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:51,194 INFO L93 Difference]: Finished difference Result 1631 states and 2618 transitions. [2024-11-20 07:53:51,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:53:51,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 2 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) Word has length 429 [2024-11-20 07:53:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:51,201 INFO L225 Difference]: With dead ends: 1631 [2024-11-20 07:53:51,202 INFO L226 Difference]: Without dead ends: 733 [2024-11-20 07:53:51,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 976 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:53:51,206 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 383 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:51,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 768 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 07:53:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-20 07:53:51,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 721. [2024-11-20 07:53:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 528 states have (on average 1.4659090909090908) internal successors, (774), 528 states have internal predecessors, (774), 183 states have call successors, (183), 9 states have call predecessors, (183), 9 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:53:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1140 transitions. [2024-11-20 07:53:51,274 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1140 transitions. Word has length 429 [2024-11-20 07:53:51,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:51,275 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1140 transitions. [2024-11-20 07:53:51,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 2 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) [2024-11-20 07:53:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1140 transitions. [2024-11-20 07:53:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-20 07:53:51,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:51,281 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:51,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 07:53:51,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:53:51,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:51,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:51,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1295439810, now seen corresponding path program 1 times [2024-11-20 07:53:51,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984988477] [2024-11-20 07:53:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:53:54,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984988477] [2024-11-20 07:53:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984988477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:53:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717590893] [2024-11-20 07:53:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:54,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:53:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:53:54,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:53:54,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 07:53:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:54,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:53:54,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:53:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 1368 proven. 162 refuted. 0 times theorem prover too weak. 5790 trivial. 0 not checked. [2024-11-20 07:53:55,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:53:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:53:55,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717590893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:53:55,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:53:55,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-20 07:53:55,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192289348] [2024-11-20 07:53:55,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:53:55,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:53:55,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:55,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:53:55,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:53:55,884 INFO L87 Difference]: Start difference. First operand 721 states and 1140 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2024-11-20 07:53:56,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:56,308 INFO L93 Difference]: Finished difference Result 1229 states and 1926 transitions. [2024-11-20 07:53:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:53:56,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) Word has length 430 [2024-11-20 07:53:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:56,314 INFO L225 Difference]: With dead ends: 1229 [2024-11-20 07:53:56,314 INFO L226 Difference]: Without dead ends: 643 [2024-11-20 07:53:56,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 978 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 07:53:56,317 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 199 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:56,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 782 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:53:56,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-20 07:53:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 631. [2024-11-20 07:53:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 435 states have (on average 1.4068965517241379) internal successors, (612), 435 states have internal predecessors, (612), 183 states have call successors, (183), 12 states have call predecessors, (183), 12 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:53:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 978 transitions. [2024-11-20 07:53:56,363 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 978 transitions. Word has length 430 [2024-11-20 07:53:56,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:56,363 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 978 transitions. [2024-11-20 07:53:56,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2024-11-20 07:53:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 978 transitions. [2024-11-20 07:53:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-20 07:53:56,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:56,367 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:56,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 07:53:56,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-20 07:53:56,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:56,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash 844679940, now seen corresponding path program 1 times [2024-11-20 07:53:56,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:56,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386577223] [2024-11-20 07:53:56,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:56,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386577223] [2024-11-20 07:53:56,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386577223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:56,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:56,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:53:56,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381890338] [2024-11-20 07:53:56,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:56,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:53:56,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:56,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:53:56,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:53:56,946 INFO L87 Difference]: Start difference. First operand 631 states and 978 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:57,023 INFO L93 Difference]: Finished difference Result 1122 states and 1746 transitions. [2024-11-20 07:53:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:53:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 430 [2024-11-20 07:53:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:57,029 INFO L225 Difference]: With dead ends: 1122 [2024-11-20 07:53:57,030 INFO L226 Difference]: Without dead ends: 634 [2024-11-20 07:53:57,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 07:53:57,032 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 365 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:57,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 792 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:53:57,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-20 07:53:57,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 631. [2024-11-20 07:53:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 435 states have (on average 1.4022988505747127) internal successors, (610), 435 states have internal predecessors, (610), 183 states have call successors, (183), 12 states have call predecessors, (183), 12 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:53:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 976 transitions. [2024-11-20 07:53:57,090 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 976 transitions. Word has length 430 [2024-11-20 07:53:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:57,091 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 976 transitions. [2024-11-20 07:53:57,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 976 transitions. [2024-11-20 07:53:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-20 07:53:57,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:57,094 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:57,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 07:53:57,095 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:57,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:57,095 INFO L85 PathProgramCache]: Analyzing trace with hash 885354690, now seen corresponding path program 1 times [2024-11-20 07:53:57,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:57,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269249376] [2024-11-20 07:53:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:57,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:53:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:53:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:53:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:53:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:53:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:53:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:53:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:53:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:53:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:53:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:53:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:53:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:53:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:53:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:53:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:53:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:53:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:53:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:53:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:53:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:53:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:53:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:53:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:53:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:53:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:53:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:53:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:53:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:53:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:53:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:53:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:53:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:53:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:53:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:53:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:53:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:53:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:53:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:53:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:53:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:53:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:53:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:53:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:53:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:53:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:53:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:53:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:53:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:53:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:53:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:53:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:53:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:53:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:53:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:53:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:53:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:53:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:53:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:53:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:53:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:53:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:53:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:53:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:53:58,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:53:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269249376] [2024-11-20 07:53:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269249376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:53:58,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:53:58,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:53:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160184494] [2024-11-20 07:53:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:53:58,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:53:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:53:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:53:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:53:58,288 INFO L87 Difference]: Start difference. First operand 631 states and 976 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:53:58,508 INFO L93 Difference]: Finished difference Result 1235 states and 1898 transitions. [2024-11-20 07:53:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:53:58,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 430 [2024-11-20 07:53:58,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:53:58,515 INFO L225 Difference]: With dead ends: 1235 [2024-11-20 07:53:58,515 INFO L226 Difference]: Without dead ends: 747 [2024-11-20 07:53:58,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:53:58,518 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 253 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:53:58,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 902 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:53:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-20 07:53:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 647. [2024-11-20 07:53:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 450 states have (on average 1.4) internal successors, (630), 450 states have internal predecessors, (630), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:53:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 996 transitions. [2024-11-20 07:53:58,571 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 996 transitions. Word has length 430 [2024-11-20 07:53:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:53:58,571 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 996 transitions. [2024-11-20 07:53:58,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-20 07:53:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 996 transitions. [2024-11-20 07:53:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-20 07:53:58,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:53:58,575 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:58,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 07:53:58,575 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:53:58,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:53:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1108790016, now seen corresponding path program 1 times [2024-11-20 07:53:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:53:58,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542866836] [2024-11-20 07:53:58,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:53:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:54:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:54:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:54:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:54:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:54:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:54:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:54:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:54:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:54:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:54:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:54:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:54:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:54:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:54:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:54:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:54:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:54:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:54:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:54:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:54:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:54:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:54:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:54:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:54:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:54:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:54:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:54:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:54:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:54:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:54:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:54:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:54:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:54:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:54:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:54:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:54:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:54:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:54:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:54:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:54:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:54:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:54:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:54:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:54:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:54:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:54:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:54:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:54:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:54:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:54:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:54:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:54:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:54:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:54:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:54:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:54:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:54:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:54:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:54:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:54:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:54:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:54:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 126 proven. 54 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:54:01,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:54:01,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542866836] [2024-11-20 07:54:01,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542866836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:54:01,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327810991] [2024-11-20 07:54:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:54:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:54:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:54:01,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:54:01,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 07:54:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:01,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 07:54:01,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:54:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3340 proven. 60 refuted. 0 times theorem prover too weak. 3920 trivial. 0 not checked. [2024-11-20 07:54:02,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:54:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 120 proven. 60 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-20 07:54:03,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327810991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:54:03,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:54:03,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 16 [2024-11-20 07:54:03,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387445355] [2024-11-20 07:54:03,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:54:03,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 07:54:03,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:54:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 07:54:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-20 07:54:03,111 INFO L87 Difference]: Start difference. First operand 647 states and 996 transitions. Second operand has 16 states, 16 states have (on average 19.0625) internal successors, (305), 16 states have internal predecessors, (305), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (143), 4 states have call predecessors, (143), 4 states have call successors, (143) [2024-11-20 07:54:05,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:54:05,102 INFO L93 Difference]: Finished difference Result 1390 states and 2128 transitions. [2024-11-20 07:54:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-20 07:54:05,107 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 19.0625) internal successors, (305), 16 states have internal predecessors, (305), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (143), 4 states have call predecessors, (143), 4 states have call successors, (143) Word has length 430 [2024-11-20 07:54:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:54:05,114 INFO L225 Difference]: With dead ends: 1390 [2024-11-20 07:54:05,114 INFO L226 Difference]: Without dead ends: 890 [2024-11-20 07:54:05,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 974 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=349, Invalid=1373, Unknown=0, NotChecked=0, Total=1722 [2024-11-20 07:54:05,120 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 1560 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:54:05,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 2169 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 07:54:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-11-20 07:54:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 716. [2024-11-20 07:54:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 513 states have (on average 1.3859649122807018) internal successors, (711), 513 states have internal predecessors, (711), 183 states have call successors, (183), 19 states have call predecessors, (183), 19 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:54:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1077 transitions. [2024-11-20 07:54:05,191 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1077 transitions. Word has length 430 [2024-11-20 07:54:05,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:54:05,192 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1077 transitions. [2024-11-20 07:54:05,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.0625) internal successors, (305), 16 states have internal predecessors, (305), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (143), 4 states have call predecessors, (143), 4 states have call successors, (143) [2024-11-20 07:54:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1077 transitions. [2024-11-20 07:54:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-20 07:54:05,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:54:05,195 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:05,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 07:54:05,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:54:05,396 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:54:05,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:54:05,397 INFO L85 PathProgramCache]: Analyzing trace with hash 163797340, now seen corresponding path program 1 times [2024-11-20 07:54:05,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:54:05,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765322846] [2024-11-20 07:54:05,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:54:05,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:54:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:54:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:54:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:54:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:54:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:54:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:54:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:54:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:54:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:54:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:54:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:54:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:54:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:54:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:54:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:54:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:54:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:54:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:54:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:54:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:54:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:54:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:54:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:54:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:54:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:54:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:54:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:54:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:54:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:54:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:54:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:54:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:54:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:54:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:54:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:54:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:54:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:54:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:54:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:54:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:54:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:54:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:54:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:54:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:54:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:54:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:54:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:54:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:54:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:54:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:54:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:54:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:54:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:54:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:54:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:54:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:54:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:54:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:54:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:54:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:54:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:54:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:54:08,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:54:08,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765322846] [2024-11-20 07:54:08,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765322846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:54:08,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:54:08,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 07:54:08,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052883641] [2024-11-20 07:54:08,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:54:08,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 07:54:08,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:54:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 07:54:08,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:54:08,530 INFO L87 Difference]: Start difference. First operand 716 states and 1077 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-11-20 07:54:10,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:54:10,070 INFO L93 Difference]: Finished difference Result 1707 states and 2603 transitions. [2024-11-20 07:54:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 07:54:10,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 432 [2024-11-20 07:54:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:54:10,080 INFO L225 Difference]: With dead ends: 1707 [2024-11-20 07:54:10,080 INFO L226 Difference]: Without dead ends: 1191 [2024-11-20 07:54:10,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-20 07:54:10,084 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1585 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:54:10,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 2327 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 07:54:10,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-20 07:54:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 861. [2024-11-20 07:54:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 658 states have (on average 1.4346504559270516) internal successors, (944), 658 states have internal predecessors, (944), 183 states have call successors, (183), 19 states have call predecessors, (183), 19 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-20 07:54:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1310 transitions. [2024-11-20 07:54:10,160 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1310 transitions. Word has length 432 [2024-11-20 07:54:10,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:54:10,161 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1310 transitions. [2024-11-20 07:54:10,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-11-20 07:54:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1310 transitions. [2024-11-20 07:54:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-20 07:54:10,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:54:10,164 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:10,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 07:54:10,164 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:54:10,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:54:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash -803553314, now seen corresponding path program 1 times [2024-11-20 07:54:10,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:54:10,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507824432] [2024-11-20 07:54:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:54:10,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:54:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:54:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:54:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:54:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:54:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:54:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:54:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:54:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:54:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:54:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 07:54:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:54:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 07:54:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:54:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 07:54:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:54:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:54:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:54:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:54:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:54:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:54:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:54:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:54:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:54:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:54:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:54:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:54:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:54:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:54:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:54:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:54:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:54:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:54:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:54:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:54:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:54:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:54:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:54:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:54:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:13,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:54:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:54:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:54:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:54:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:54:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:54:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:54:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:54:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 07:54:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:54:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 07:54:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:54:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 07:54:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:54:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 07:54:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:54:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-20 07:54:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:54:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-20 07:54:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 07:54:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-20 07:54:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-20 07:54:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-20 07:54:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:54:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-20 07:54:14,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:54:14,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507824432] [2024-11-20 07:54:14,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507824432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:54:14,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:54:14,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 07:54:14,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882518324] [2024-11-20 07:54:14,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:54:14,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 07:54:14,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:54:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 07:54:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:54:14,105 INFO L87 Difference]: Start difference. First operand 861 states and 1310 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-20 07:54:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:54:15,873 INFO L93 Difference]: Finished difference Result 2241 states and 3393 transitions. [2024-11-20 07:54:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 07:54:15,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 432 [2024-11-20 07:54:15,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:54:15,884 INFO L225 Difference]: With dead ends: 2241 [2024-11-20 07:54:15,884 INFO L226 Difference]: Without dead ends: 1725 [2024-11-20 07:54:15,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2024-11-20 07:54:15,887 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 891 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:54:15,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 3161 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 07:54:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-20 07:54:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1537. [2024-11-20 07:54:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1203 states have (on average 1.4497090606816292) internal successors, (1744), 1205 states have internal predecessors, (1744), 300 states have call successors, (300), 33 states have call predecessors, (300), 33 states have return successors, (300), 298 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-20 07:54:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2344 transitions. [2024-11-20 07:54:16,028 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2344 transitions. Word has length 432 [2024-11-20 07:54:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:54:16,029 INFO L471 AbstractCegarLoop]: Abstraction has 1537 states and 2344 transitions. [2024-11-20 07:54:16,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-20 07:54:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2344 transitions. [2024-11-20 07:54:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-20 07:54:16,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:54:16,032 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:16,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 07:54:16,033 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:54:16,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:54:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash -251889608, now seen corresponding path program 1 times [2024-11-20 07:54:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:54:16,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64518767] [2024-11-20 07:54:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:54:16,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:54:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat