./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.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 5d9520d6fd6d91e8f5e35de1857db72eb6a950fd8496ea43481a006fc8832028 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:47:48,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:47:48,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:47:48,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:47:48,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:47:48,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:47:48,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:47:48,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:47:48,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:47:48,607 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:47:48,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:47:48,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:47:48,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:47:48,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:47:48,609 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:47:48,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:47:48,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:47:48,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:47:48,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:47:48,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:47:48,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:47:48,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:47:48,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:47:48,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:47:48,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:47:48,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:47:48,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:47:48,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:47:48,618 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:47:48,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:47:48,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:47:48,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:47:48,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:47:48,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:47:48,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:47:48,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:47:48,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:47:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:47:48,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:47:48,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:47:48,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:47:48,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:47:48,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d9520d6fd6d91e8f5e35de1857db72eb6a950fd8496ea43481a006fc8832028 [2024-11-16 12:47:48,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:47:48,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:47:48,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:47:48,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:47:48,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:47:48,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-16 12:47:50,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:47:50,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:47:50,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-16 12:47:50,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5bf4a1c/8d5bcd0e22494ef2baf09bcca8cccffc/FLAGd85dd39a5 [2024-11-16 12:47:50,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5bf4a1c/8d5bcd0e22494ef2baf09bcca8cccffc [2024-11-16 12:47:50,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:47:50,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:47:50,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:47:50,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:47:50,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:47:50,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:50" (1/1) ... [2024-11-16 12:47:50,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4fde1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:50, skipping insertion in model container [2024-11-16 12:47:50,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:50" (1/1) ... [2024-11-16 12:47:50,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:47:51,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i[915,928] [2024-11-16 12:47:51,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:47:51,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:47:51,228 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i[915,928] [2024-11-16 12:47:51,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:47:51,313 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:47:51,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51 WrapperNode [2024-11-16 12:47:51,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:47:51,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:47:51,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:47:51,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:47:51,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,386 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 350 [2024-11-16 12:47:51,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:47:51,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:47:51,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:47:51,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:47:51,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,461 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]. [2024-11-16 12:47:51,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:47:51,509 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:47:51,509 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:47:51,509 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:47:51,511 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (1/1) ... [2024-11-16 12:47:51,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:47:51,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:47:51,549 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) [2024-11-16 12:47:51,552 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 [2024-11-16 12:47:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:47:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:47:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:47:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:47:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:47:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:47:51,707 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:47:51,709 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:47:52,251 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc property_#t~bitwise36#1;havoc property_#t~short37#1; [2024-11-16 12:47:52,325 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 12:47:52,326 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:47:52,361 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:47:52,362 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:47:52,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:47:52 BoogieIcfgContainer [2024-11-16 12:47:52,363 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:47:52,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:47:52,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:47:52,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:47:52,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:47:50" (1/3) ... [2024-11-16 12:47:52,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e763b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:52, skipping insertion in model container [2024-11-16 12:47:52,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:51" (2/3) ... [2024-11-16 12:47:52,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e763b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:52, skipping insertion in model container [2024-11-16 12:47:52,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:47:52" (3/3) ... [2024-11-16 12:47:52,370 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-16 12:47:52,389 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:47:52,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:47:52,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:47:52,465 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;@7a142be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:47:52,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:47:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 102 states have internal predecessors, (149), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 12:47:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-16 12:47:52,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:52,490 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:52,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:52,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:52,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1477671176, now seen corresponding path program 1 times [2024-11-16 12:47:52,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439328050] [2024-11-16 12:47:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:52,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:47:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:53,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439328050] [2024-11-16 12:47:53,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439328050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:47:53,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:47:53,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:47:53,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147381203] [2024-11-16 12:47:53,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:47:53,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:47:53,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:47:53,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:47:53,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:47:53,346 INFO L87 Difference]: Start difference. First operand has 158 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 102 states have internal predecessors, (149), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:47:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:47:53,419 INFO L93 Difference]: Finished difference Result 308 states and 561 transitions. [2024-11-16 12:47:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:47:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 337 [2024-11-16 12:47:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:47:53,433 INFO L225 Difference]: With dead ends: 308 [2024-11-16 12:47:53,434 INFO L226 Difference]: Without dead ends: 153 [2024-11-16 12:47:53,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:47:53,448 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:47:53,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 242 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:47:53,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-16 12:47:53,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-16 12:47:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 97 states have internal predecessors, (139), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 12:47:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 247 transitions. [2024-11-16 12:47:53,522 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 247 transitions. Word has length 337 [2024-11-16 12:47:53,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:47:53,523 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 247 transitions. [2024-11-16 12:47:53,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:47:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2024-11-16 12:47:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-16 12:47:53,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:53,537 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:53,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:47:53,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:53,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2014660632, now seen corresponding path program 1 times [2024-11-16 12:47:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400524987] [2024-11-16 12:47:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:47:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400524987] [2024-11-16 12:47:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400524987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:47:54,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:47:54,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:47:54,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110555767] [2024-11-16 12:47:54,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:47:54,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:47:54,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:47:54,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:47:54,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:54,409 INFO L87 Difference]: Start difference. First operand 153 states and 247 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:47:54,531 INFO L93 Difference]: Finished difference Result 453 states and 735 transitions. [2024-11-16 12:47:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:47:54,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 337 [2024-11-16 12:47:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:47:54,538 INFO L225 Difference]: With dead ends: 453 [2024-11-16 12:47:54,538 INFO L226 Difference]: Without dead ends: 303 [2024-11-16 12:47:54,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:54,541 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 131 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:47:54,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 482 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:47:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-16 12:47:54,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-11-16 12:47:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 189 states have (on average 1.4232804232804233) internal successors, (269), 189 states have internal predecessors, (269), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-16 12:47:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 485 transitions. [2024-11-16 12:47:54,624 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 485 transitions. Word has length 337 [2024-11-16 12:47:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:47:54,626 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 485 transitions. [2024-11-16 12:47:54,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 485 transitions. [2024-11-16 12:47:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-16 12:47:54,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:54,631 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:54,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:47:54,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:54,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:54,633 INFO L85 PathProgramCache]: Analyzing trace with hash 240996105, now seen corresponding path program 1 times [2024-11-16 12:47:54,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:54,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507561352] [2024-11-16 12:47:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:54,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:47:54,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:54,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507561352] [2024-11-16 12:47:54,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507561352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:47:54,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:47:54,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:47:54,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846294208] [2024-11-16 12:47:54,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:47:54,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:47:54,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:47:54,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:47:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:54,907 INFO L87 Difference]: Start difference. First operand 300 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:54,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:47:54,988 INFO L93 Difference]: Finished difference Result 664 states and 1065 transitions. [2024-11-16 12:47:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:47:54,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 338 [2024-11-16 12:47:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:47:54,997 INFO L225 Difference]: With dead ends: 664 [2024-11-16 12:47:54,997 INFO L226 Difference]: Without dead ends: 367 [2024-11-16 12:47:54,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:55,002 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 45 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:47:55,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 499 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:47:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-16 12:47:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 318. [2024-11-16 12:47:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 207 states have (on average 1.4251207729468598) internal successors, (295), 207 states have internal predecessors, (295), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-16 12:47:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 511 transitions. [2024-11-16 12:47:55,049 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 511 transitions. Word has length 338 [2024-11-16 12:47:55,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:47:55,050 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 511 transitions. [2024-11-16 12:47:55,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 511 transitions. [2024-11-16 12:47:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-16 12:47:55,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:55,055 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:55,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:47:55,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:55,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash 17260584, now seen corresponding path program 1 times [2024-11-16 12:47:55,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:55,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603810717] [2024-11-16 12:47:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:47:55,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:55,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603810717] [2024-11-16 12:47:55,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603810717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:47:55,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:47:55,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:47:55,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598543722] [2024-11-16 12:47:55,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:47:55,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:47:55,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:47:55,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:47:55,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:55,376 INFO L87 Difference]: Start difference. First operand 318 states and 511 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:55,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:47:55,482 INFO L93 Difference]: Finished difference Result 940 states and 1517 transitions. [2024-11-16 12:47:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:47:55,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 338 [2024-11-16 12:47:55,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:47:55,488 INFO L225 Difference]: With dead ends: 940 [2024-11-16 12:47:55,488 INFO L226 Difference]: Without dead ends: 625 [2024-11-16 12:47:55,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:47:55,490 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 231 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:47:55,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 681 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:47:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-16 12:47:55,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 622. [2024-11-16 12:47:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 401 states have (on average 1.4189526184538654) internal successors, (569), 401 states have internal predecessors, (569), 216 states have call successors, (216), 4 states have call predecessors, (216), 4 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-16 12:47:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1001 transitions. [2024-11-16 12:47:55,559 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1001 transitions. Word has length 338 [2024-11-16 12:47:55,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:47:55,560 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 1001 transitions. [2024-11-16 12:47:55,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:47:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1001 transitions. [2024-11-16 12:47:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-16 12:47:55,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:55,565 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:55,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:47:55,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:55,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:55,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1594389420, now seen corresponding path program 1 times [2024-11-16 12:47:55,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:55,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511175104] [2024-11-16 12:47:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:55,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:47:56,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:56,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511175104] [2024-11-16 12:47:56,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511175104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:47:56,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:47:56,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:47:56,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524837362] [2024-11-16 12:47:56,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:47:56,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:47:56,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:47:56,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:47:56,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:47:56,473 INFO L87 Difference]: Start difference. First operand 622 states and 1001 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:47:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:47:57,434 INFO L93 Difference]: Finished difference Result 1871 states and 3015 transitions. [2024-11-16 12:47:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 12:47:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 339 [2024-11-16 12:47:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:47:57,446 INFO L225 Difference]: With dead ends: 1871 [2024-11-16 12:47:57,447 INFO L226 Difference]: Without dead ends: 1560 [2024-11-16 12:47:57,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:47:57,449 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 550 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:47:57,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1030 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 12:47:57,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-16 12:47:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1546. [2024-11-16 12:47:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 995 states have (on average 1.4261306532663316) internal successors, (1419), 995 states have internal predecessors, (1419), 540 states have call successors, (540), 10 states have call predecessors, (540), 10 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2024-11-16 12:47:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2499 transitions. [2024-11-16 12:47:57,592 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2499 transitions. Word has length 339 [2024-11-16 12:47:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:47:57,593 INFO L471 AbstractCegarLoop]: Abstraction has 1546 states and 2499 transitions. [2024-11-16 12:47:57,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:47:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2499 transitions. [2024-11-16 12:47:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-16 12:47:57,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:47:57,598 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:47:57,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:47:57,598 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:47:57,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:47:57,599 INFO L85 PathProgramCache]: Analyzing trace with hash 995631092, now seen corresponding path program 1 times [2024-11-16 12:47:57,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:47:57,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925284955] [2024-11-16 12:47:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:57,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:47:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:47:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:47:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:47:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:47:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:47:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:47:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:47:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:47:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:47:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:47:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:47:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:47:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:47:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:47:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:47:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:47:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:47:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:47:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:47:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:47:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:47:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:47:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:47:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:47:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:47:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:47:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:47:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:47:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:47:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:47:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:47:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:47:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:47:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:47:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:47:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:47:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:47:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:47:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:47:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:47:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:47:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:47:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:47:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:47:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:47:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:47:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:47:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:47:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:47:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:47:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:47:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:47:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:47:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:47:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 42 proven. 117 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:47:59,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:47:59,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925284955] [2024-11-16 12:47:59,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925284955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:47:59,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443084655] [2024-11-16 12:47:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:47:59,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:47:59,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:47:59,711 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) [2024-11-16 12:47:59,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 12:47:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:47:59,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 12:47:59,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:48:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:00,056 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 12:48:00,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443084655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:00,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 12:48:00,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-16 12:48:00,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670977472] [2024-11-16 12:48:00,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:00,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:48:00,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:48:00,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:48:00,058 INFO L87 Difference]: Start difference. First operand 1546 states and 2499 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:00,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:00,176 INFO L93 Difference]: Finished difference Result 3129 states and 5065 transitions. [2024-11-16 12:48:00,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:48:00,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 339 [2024-11-16 12:48:00,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:00,189 INFO L225 Difference]: With dead ends: 3129 [2024-11-16 12:48:00,189 INFO L226 Difference]: Without dead ends: 1586 [2024-11-16 12:48:00,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:48:00,197 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 2 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:00,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 714 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:48:00,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2024-11-16 12:48:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1566. [2024-11-16 12:48:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1015 states have (on average 1.4275862068965517) internal successors, (1449), 1015 states have internal predecessors, (1449), 540 states have call successors, (540), 10 states have call predecessors, (540), 10 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2024-11-16 12:48:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2529 transitions. [2024-11-16 12:48:00,400 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2529 transitions. Word has length 339 [2024-11-16 12:48:00,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:00,402 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2529 transitions. [2024-11-16 12:48:00,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2529 transitions. [2024-11-16 12:48:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:00,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:00,408 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:00,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 12:48:00,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 12:48:00,610 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:00,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:00,611 INFO L85 PathProgramCache]: Analyzing trace with hash -708933656, now seen corresponding path program 1 times [2024-11-16 12:48:00,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:00,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707081462] [2024-11-16 12:48:00,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:00,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:00,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 90 proven. 69 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:01,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:01,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707081462] [2024-11-16 12:48:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707081462] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:48:01,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181235695] [2024-11-16 12:48:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:48:01,064 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) [2024-11-16 12:48:01,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 12:48:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:01,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 12:48:01,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:48:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2805 proven. 63 refuted. 0 times theorem prover too weak. 2856 trivial. 0 not checked. [2024-11-16 12:48:01,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 12:48:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 96 proven. 63 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:02,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181235695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 12:48:02,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 12:48:02,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-16 12:48:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712747642] [2024-11-16 12:48:02,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 12:48:02,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:48:02,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:48:02,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:48:02,079 INFO L87 Difference]: Start difference. First operand 1566 states and 2529 transitions. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 4 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2024-11-16 12:48:02,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:02,727 INFO L93 Difference]: Finished difference Result 3229 states and 5135 transitions. [2024-11-16 12:48:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 12:48:02,728 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 4 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) Word has length 340 [2024-11-16 12:48:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:02,742 INFO L225 Difference]: With dead ends: 3229 [2024-11-16 12:48:02,743 INFO L226 Difference]: Without dead ends: 1666 [2024-11-16 12:48:02,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 784 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:48:02,751 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 443 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:02,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 406 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:48:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-16 12:48:02,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1646. [2024-11-16 12:48:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1075 states have (on average 1.3851162790697675) internal successors, (1489), 1075 states have internal predecessors, (1489), 540 states have call successors, (540), 30 states have call predecessors, (540), 30 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2024-11-16 12:48:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2569 transitions. [2024-11-16 12:48:02,932 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2569 transitions. Word has length 340 [2024-11-16 12:48:02,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:02,933 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2569 transitions. [2024-11-16 12:48:02,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 4 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2024-11-16 12:48:02,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2569 transitions. [2024-11-16 12:48:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:02,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:02,938 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:02,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 12:48:03,139 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,SelfDestructingSolverStorable6 [2024-11-16 12:48:03,139 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:03,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:03,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1614984104, now seen corresponding path program 1 times [2024-11-16 12:48:03,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:03,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67093894] [2024-11-16 12:48:03,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:03,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:04,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:04,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67093894] [2024-11-16 12:48:04,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67093894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:04,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:04,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:48:04,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234806605] [2024-11-16 12:48:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:04,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:48:04,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:04,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:48:04,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:48:04,217 INFO L87 Difference]: Start difference. First operand 1646 states and 2569 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:05,676 INFO L93 Difference]: Finished difference Result 6631 states and 10199 transitions. [2024-11-16 12:48:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:48:05,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 340 [2024-11-16 12:48:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:05,709 INFO L225 Difference]: With dead ends: 6631 [2024-11-16 12:48:05,710 INFO L226 Difference]: Without dead ends: 4988 [2024-11-16 12:48:05,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:48:05,721 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 762 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:05,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 1158 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 12:48:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2024-11-16 12:48:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 2646. [2024-11-16 12:48:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1875 states have (on average 1.4096) internal successors, (2643), 1885 states have internal predecessors, (2643), 710 states have call successors, (710), 60 states have call predecessors, (710), 60 states have return successors, (710), 700 states have call predecessors, (710), 710 states have call successors, (710) [2024-11-16 12:48:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 4063 transitions. [2024-11-16 12:48:06,192 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 4063 transitions. Word has length 340 [2024-11-16 12:48:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:06,192 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 4063 transitions. [2024-11-16 12:48:06,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 4063 transitions. [2024-11-16 12:48:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:06,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:06,198 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:06,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:48:06,198 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:06,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1157576482, now seen corresponding path program 1 times [2024-11-16 12:48:06,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:06,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733495452] [2024-11-16 12:48:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 96 proven. 63 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:06,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:06,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733495452] [2024-11-16 12:48:06,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733495452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:48:06,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76422842] [2024-11-16 12:48:06,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:06,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:06,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:48:06,669 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) [2024-11-16 12:48:06,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 12:48:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:06,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 12:48:06,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:48:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2409 proven. 45 refuted. 0 times theorem prover too weak. 3270 trivial. 0 not checked. [2024-11-16 12:48:07,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 12:48:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76422842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 12:48:07,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 12:48:07,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 18 [2024-11-16 12:48:07,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141241775] [2024-11-16 12:48:07,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 12:48:07,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 12:48:07,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:07,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 12:48:07,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-16 12:48:07,738 INFO L87 Difference]: Start difference. First operand 2646 states and 4063 transitions. Second operand has 18 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-16 12:48:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:14,546 INFO L93 Difference]: Finished difference Result 16681 states and 25183 transitions. [2024-11-16 12:48:14,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-16 12:48:14,547 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 340 [2024-11-16 12:48:14,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:14,641 INFO L225 Difference]: With dead ends: 16681 [2024-11-16 12:48:14,642 INFO L226 Difference]: Without dead ends: 14038 [2024-11-16 12:48:14,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 791 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2724 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2164, Invalid=6578, Unknown=0, NotChecked=0, Total=8742 [2024-11-16 12:48:14,663 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 2470 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 978 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:14,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2471 Valid, 2333 Invalid, 3320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [978 Valid, 2342 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 12:48:14,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14038 states. [2024-11-16 12:48:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14038 to 5046. [2024-11-16 12:48:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5046 states, 3725 states have (on average 1.417718120805369) internal successors, (5281), 3755 states have internal predecessors, (5281), 1200 states have call successors, (1200), 120 states have call predecessors, (1200), 120 states have return successors, (1200), 1170 states have call predecessors, (1200), 1200 states have call successors, (1200) [2024-11-16 12:48:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 7681 transitions. [2024-11-16 12:48:15,598 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 7681 transitions. Word has length 340 [2024-11-16 12:48:15,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:15,599 INFO L471 AbstractCegarLoop]: Abstraction has 5046 states and 7681 transitions. [2024-11-16 12:48:15,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-16 12:48:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 7681 transitions. [2024-11-16 12:48:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:15,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:15,606 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:15,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 12:48:15,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:15,811 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:15,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash -380615720, now seen corresponding path program 1 times [2024-11-16 12:48:15,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:15,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128810287] [2024-11-16 12:48:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:16,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:16,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128810287] [2024-11-16 12:48:16,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128810287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:48:16,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669935724] [2024-11-16 12:48:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:16,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:16,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:48:16,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 12:48:16,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 12:48:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:17,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 12:48:17,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:48:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2409 proven. 45 refuted. 0 times theorem prover too weak. 3270 trivial. 0 not checked. [2024-11-16 12:48:17,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 12:48:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:17,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669935724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 12:48:17,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 12:48:17,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2024-11-16 12:48:17,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564214156] [2024-11-16 12:48:17,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 12:48:17,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 12:48:17,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:17,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 12:48:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:48:17,992 INFO L87 Difference]: Start difference. First operand 5046 states and 7681 transitions. Second operand has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 17 states have internal predecessors, (118), 3 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2024-11-16 12:48:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:22,356 INFO L93 Difference]: Finished difference Result 18143 states and 27241 transitions. [2024-11-16 12:48:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-16 12:48:22,358 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 17 states have internal predecessors, (118), 3 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) Word has length 340 [2024-11-16 12:48:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:22,415 INFO L225 Difference]: With dead ends: 18143 [2024-11-16 12:48:22,416 INFO L226 Difference]: Without dead ends: 13100 [2024-11-16 12:48:22,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 855 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1197, Invalid=3359, Unknown=0, NotChecked=0, Total=4556 [2024-11-16 12:48:22,443 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 2082 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:22,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 2059 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 12:48:22,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13100 states. [2024-11-16 12:48:23,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13100 to 4396. [2024-11-16 12:48:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3255 states have (on average 1.4245775729646697) internal successors, (4637), 3275 states have internal predecessors, (4637), 1030 states have call successors, (1030), 110 states have call predecessors, (1030), 110 states have return successors, (1030), 1010 states have call predecessors, (1030), 1030 states have call successors, (1030) [2024-11-16 12:48:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6697 transitions. [2024-11-16 12:48:23,398 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6697 transitions. Word has length 340 [2024-11-16 12:48:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:23,402 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6697 transitions. [2024-11-16 12:48:23,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 17 states have internal predecessors, (118), 3 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2024-11-16 12:48:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6697 transitions. [2024-11-16 12:48:23,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:23,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:23,413 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:23,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 12:48:23,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:23,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:23,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1143523710, now seen corresponding path program 1 times [2024-11-16 12:48:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583825565] [2024-11-16 12:48:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:24,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:24,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583825565] [2024-11-16 12:48:24,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583825565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:24,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:24,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:48:24,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931707380] [2024-11-16 12:48:24,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:24,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:48:24,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:48:24,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:48:24,011 INFO L87 Difference]: Start difference. First operand 4396 states and 6697 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:25,109 INFO L93 Difference]: Finished difference Result 10145 states and 15459 transitions. [2024-11-16 12:48:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 12:48:25,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 340 [2024-11-16 12:48:25,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:25,143 INFO L225 Difference]: With dead ends: 10145 [2024-11-16 12:48:25,143 INFO L226 Difference]: Without dead ends: 5672 [2024-11-16 12:48:25,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:48:25,160 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 348 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:25,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 823 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:48:25,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2024-11-16 12:48:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5656. [2024-11-16 12:48:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5656 states, 4185 states have (on average 1.4172043010752688) internal successors, (5931), 4215 states have internal predecessors, (5931), 1330 states have call successors, (1330), 140 states have call predecessors, (1330), 140 states have return successors, (1330), 1300 states have call predecessors, (1330), 1330 states have call successors, (1330) [2024-11-16 12:48:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5656 states to 5656 states and 8591 transitions. [2024-11-16 12:48:25,995 INFO L78 Accepts]: Start accepts. Automaton has 5656 states and 8591 transitions. Word has length 340 [2024-11-16 12:48:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:25,997 INFO L471 AbstractCegarLoop]: Abstraction has 5656 states and 8591 transitions. [2024-11-16 12:48:25,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 5656 states and 8591 transitions. [2024-11-16 12:48:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-16 12:48:26,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:26,004 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:26,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 12:48:26,004 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:26,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1174543517, now seen corresponding path program 1 times [2024-11-16 12:48:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:26,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261267267] [2024-11-16 12:48:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:26,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 42 proven. 117 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-16 12:48:27,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:27,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261267267] [2024-11-16 12:48:27,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261267267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:48:27,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099219094] [2024-11-16 12:48:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:27,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:48:27,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:48:27,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 12:48:27,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 12:48:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:27,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-16 12:48:27,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:48:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2182 proven. 489 refuted. 0 times theorem prover too weak. 3053 trivial. 0 not checked. [2024-11-16 12:48:30,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 12:48:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 111 proven. 507 refuted. 0 times theorem prover too weak. 5106 trivial. 0 not checked. [2024-11-16 12:48:32,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099219094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 12:48:32,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 12:48:32,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 15] total 34 [2024-11-16 12:48:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717386552] [2024-11-16 12:48:32,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 12:48:32,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-16 12:48:32,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:32,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-16 12:48:32,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 12:48:32,552 INFO L87 Difference]: Start difference. First operand 5656 states and 8591 transitions. Second operand has 34 states, 33 states have (on average 6.424242424242424) internal successors, (212), 32 states have internal predecessors, (212), 11 states have call successors, (149), 6 states have call predecessors, (149), 13 states have return successors, (150), 10 states have call predecessors, (150), 11 states have call successors, (150) [2024-11-16 12:48:34,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:34,934 INFO L93 Difference]: Finished difference Result 11008 states and 16197 transitions. [2024-11-16 12:48:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-16 12:48:34,935 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.424242424242424) internal successors, (212), 32 states have internal predecessors, (212), 11 states have call successors, (149), 6 states have call predecessors, (149), 13 states have return successors, (150), 10 states have call predecessors, (150), 11 states have call successors, (150) Word has length 340 [2024-11-16 12:48:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:34,956 INFO L225 Difference]: With dead ends: 11008 [2024-11-16 12:48:34,956 INFO L226 Difference]: Without dead ends: 5355 [2024-11-16 12:48:34,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1037, Invalid=2623, Unknown=0, NotChecked=0, Total=3660 [2024-11-16 12:48:34,972 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 963 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:34,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 867 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 12:48:34,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5355 states. [2024-11-16 12:48:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5355 to 3916. [2024-11-16 12:48:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2913 states have (on average 1.356333676622039) internal successors, (3951), 2931 states have internal predecessors, (3951), 798 states have call successors, (798), 204 states have call predecessors, (798), 204 states have return successors, (798), 780 states have call predecessors, (798), 798 states have call successors, (798) [2024-11-16 12:48:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5547 transitions. [2024-11-16 12:48:35,731 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5547 transitions. Word has length 340 [2024-11-16 12:48:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:35,732 INFO L471 AbstractCegarLoop]: Abstraction has 3916 states and 5547 transitions. [2024-11-16 12:48:35,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.424242424242424) internal successors, (212), 32 states have internal predecessors, (212), 11 states have call successors, (149), 6 states have call predecessors, (149), 13 states have return successors, (150), 10 states have call predecessors, (150), 11 states have call successors, (150) [2024-11-16 12:48:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5547 transitions. [2024-11-16 12:48:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-16 12:48:35,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:35,736 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:35,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 12:48:35,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-16 12:48:35,937 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:35,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1522110013, now seen corresponding path program 1 times [2024-11-16 12:48:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:35,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766041850] [2024-11-16 12:48:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:36,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766041850] [2024-11-16 12:48:36,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766041850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:36,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:36,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 12:48:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766249068] [2024-11-16 12:48:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:36,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 12:48:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:36,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 12:48:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 12:48:36,233 INFO L87 Difference]: Start difference. First operand 3916 states and 5547 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:37,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:37,171 INFO L93 Difference]: Finished difference Result 5897 states and 8370 transitions. [2024-11-16 12:48:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:48:37,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 341 [2024-11-16 12:48:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:37,188 INFO L225 Difference]: With dead ends: 5897 [2024-11-16 12:48:37,189 INFO L226 Difference]: Without dead ends: 3935 [2024-11-16 12:48:37,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 12:48:37,195 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 211 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:37,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 812 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:48:37,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states. [2024-11-16 12:48:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 2618. [2024-11-16 12:48:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 1949 states have (on average 1.3550538737814264) internal successors, (2641), 1961 states have internal predecessors, (2641), 532 states have call successors, (532), 136 states have call predecessors, (532), 136 states have return successors, (532), 520 states have call predecessors, (532), 532 states have call successors, (532) [2024-11-16 12:48:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3705 transitions. [2024-11-16 12:48:37,858 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3705 transitions. Word has length 341 [2024-11-16 12:48:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:37,860 INFO L471 AbstractCegarLoop]: Abstraction has 2618 states and 3705 transitions. [2024-11-16 12:48:37,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3705 transitions. [2024-11-16 12:48:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-16 12:48:37,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:37,864 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:37,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 12:48:37,865 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:37,867 INFO L85 PathProgramCache]: Analyzing trace with hash -672344026, now seen corresponding path program 1 times [2024-11-16 12:48:37,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:37,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218873177] [2024-11-16 12:48:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:37,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:38,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218873177] [2024-11-16 12:48:38,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218873177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:38,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:38,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:48:38,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065587178] [2024-11-16 12:48:38,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:38,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:48:38,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:38,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:48:38,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:48:38,236 INFO L87 Difference]: Start difference. First operand 2618 states and 3705 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:40,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:40,336 INFO L93 Difference]: Finished difference Result 8512 states and 12056 transitions. [2024-11-16 12:48:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:48:40,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 341 [2024-11-16 12:48:40,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:40,366 INFO L225 Difference]: With dead ends: 8512 [2024-11-16 12:48:40,366 INFO L226 Difference]: Without dead ends: 7856 [2024-11-16 12:48:40,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:48:40,374 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 614 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:40,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 846 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 12:48:40,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7856 states. [2024-11-16 12:48:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7856 to 6536. [2024-11-16 12:48:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6536 states, 4865 states have (on average 1.355601233299075) internal successors, (6595), 4895 states have internal predecessors, (6595), 1330 states have call successors, (1330), 340 states have call predecessors, (1330), 340 states have return successors, (1330), 1300 states have call predecessors, (1330), 1330 states have call successors, (1330) [2024-11-16 12:48:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 9255 transitions. [2024-11-16 12:48:41,636 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 9255 transitions. Word has length 341 [2024-11-16 12:48:41,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:41,637 INFO L471 AbstractCegarLoop]: Abstraction has 6536 states and 9255 transitions. [2024-11-16 12:48:41,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 9255 transitions. [2024-11-16 12:48:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-16 12:48:41,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:41,641 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:41,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 12:48:41,642 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -469560897, now seen corresponding path program 1 times [2024-11-16 12:48:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454293798] [2024-11-16 12:48:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:41,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:42,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:42,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454293798] [2024-11-16 12:48:42,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454293798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:42,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:42,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:48:42,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463411953] [2024-11-16 12:48:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:42,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:48:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:42,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:48:42,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:48:42,066 INFO L87 Difference]: Start difference. First operand 6536 states and 9255 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:43,954 INFO L93 Difference]: Finished difference Result 13722 states and 19502 transitions. [2024-11-16 12:48:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:48:43,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 341 [2024-11-16 12:48:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:43,991 INFO L225 Difference]: With dead ends: 13722 [2024-11-16 12:48:43,992 INFO L226 Difference]: Without dead ends: 10442 [2024-11-16 12:48:44,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:48:44,008 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 337 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:44,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 925 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:48:44,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10442 states. [2024-11-16 12:48:45,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10442 to 9588. [2024-11-16 12:48:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9588 states, 7249 states have (on average 1.3661194647537591) internal successors, (9903), 7291 states have internal predecessors, (9903), 1862 states have call successors, (1862), 476 states have call predecessors, (1862), 476 states have return successors, (1862), 1820 states have call predecessors, (1862), 1862 states have call successors, (1862) [2024-11-16 12:48:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9588 states to 9588 states and 13627 transitions. [2024-11-16 12:48:45,733 INFO L78 Accepts]: Start accepts. Automaton has 9588 states and 13627 transitions. Word has length 341 [2024-11-16 12:48:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:45,733 INFO L471 AbstractCegarLoop]: Abstraction has 9588 states and 13627 transitions. [2024-11-16 12:48:45,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 12:48:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9588 states and 13627 transitions. [2024-11-16 12:48:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-16 12:48:45,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:45,738 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:45,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 12:48:45,739 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:45,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:45,739 INFO L85 PathProgramCache]: Analyzing trace with hash -292452451, now seen corresponding path program 1 times [2024-11-16 12:48:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109014388] [2024-11-16 12:48:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:46,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:46,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109014388] [2024-11-16 12:48:46,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109014388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:46,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:46,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 12:48:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909289664] [2024-11-16 12:48:46,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:46,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 12:48:46,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:46,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 12:48:46,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 12:48:46,362 INFO L87 Difference]: Start difference. First operand 9588 states and 13627 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:49,045 INFO L93 Difference]: Finished difference Result 19235 states and 27323 transitions. [2024-11-16 12:48:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:48:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 341 [2024-11-16 12:48:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:49,085 INFO L225 Difference]: With dead ends: 19235 [2024-11-16 12:48:49,086 INFO L226 Difference]: Without dead ends: 9650 [2024-11-16 12:48:49,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:48:49,113 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 551 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:49,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1112 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:48:49,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9650 states. [2024-11-16 12:48:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9650 to 9604. [2024-11-16 12:48:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9604 states, 7265 states have (on average 1.3642119752236752) internal successors, (9911), 7307 states have internal predecessors, (9911), 1862 states have call successors, (1862), 476 states have call predecessors, (1862), 476 states have return successors, (1862), 1820 states have call predecessors, (1862), 1862 states have call successors, (1862) [2024-11-16 12:48:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9604 states to 9604 states and 13635 transitions. [2024-11-16 12:48:50,956 INFO L78 Accepts]: Start accepts. Automaton has 9604 states and 13635 transitions. Word has length 341 [2024-11-16 12:48:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:50,957 INFO L471 AbstractCegarLoop]: Abstraction has 9604 states and 13635 transitions. [2024-11-16 12:48:50,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9604 states and 13635 transitions. [2024-11-16 12:48:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-16 12:48:50,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:50,962 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:50,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 12:48:50,962 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:50,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash -497553062, now seen corresponding path program 1 times [2024-11-16 12:48:50,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:50,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27737642] [2024-11-16 12:48:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:48:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:48:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:48:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:48:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:48:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:48:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:48:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:48:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:48:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:48:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:48:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:48:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 12:48:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:48:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 12:48:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:48:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:48:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:48:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:48:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:48:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:48:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:48:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:48:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:48:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 12:48:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:48:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 12:48:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:48:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 12:48:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:48:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 12:48:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 12:48:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 12:48:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 12:48:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 12:48:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 12:48:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 12:48:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 12:48:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 12:48:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 12:48:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 12:48:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 12:48:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 12:48:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 12:48:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:48:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:48:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:48:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:48:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 12:48:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:48:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-16 12:48:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:48:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-16 12:48:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:48:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-16 12:48:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:48:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 12:48:51,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:48:51,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27737642] [2024-11-16 12:48:51,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27737642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:48:51,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:48:51,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:48:51,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942165605] [2024-11-16 12:48:51,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:48:51,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:48:51,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:48:51,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:48:51,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:48:51,437 INFO L87 Difference]: Start difference. First operand 9604 states and 13635 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:53,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:48:53,683 INFO L93 Difference]: Finished difference Result 14688 states and 20908 transitions. [2024-11-16 12:48:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 12:48:53,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 342 [2024-11-16 12:48:53,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:48:53,717 INFO L225 Difference]: With dead ends: 14688 [2024-11-16 12:48:53,717 INFO L226 Difference]: Without dead ends: 9642 [2024-11-16 12:48:53,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:48:53,729 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 504 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:48:53,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1039 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:48:53,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9642 states. [2024-11-16 12:48:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9642 to 9580. [2024-11-16 12:48:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9580 states, 7241 states have (on average 1.363761911338213) internal successors, (9875), 7283 states have internal predecessors, (9875), 1862 states have call successors, (1862), 476 states have call predecessors, (1862), 476 states have return successors, (1862), 1820 states have call predecessors, (1862), 1862 states have call successors, (1862) [2024-11-16 12:48:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9580 states to 9580 states and 13599 transitions. [2024-11-16 12:48:55,715 INFO L78 Accepts]: Start accepts. Automaton has 9580 states and 13599 transitions. Word has length 342 [2024-11-16 12:48:55,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:48:55,716 INFO L471 AbstractCegarLoop]: Abstraction has 9580 states and 13599 transitions. [2024-11-16 12:48:55,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 12:48:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 9580 states and 13599 transitions. [2024-11-16 12:48:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-16 12:48:55,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:48:55,722 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:48:55,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 12:48:55,722 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:48:55,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:48:55,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1708540514, now seen corresponding path program 1 times [2024-11-16 12:48:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:48:55,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121684278] [2024-11-16 12:48:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:48:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms