./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.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 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:15:53,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:15:53,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:15:53,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:15:53,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:15:53,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:15:53,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:15:53,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:15:53,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:15:53,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:15:53,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:15:53,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:15:53,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:15:53,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:15:53,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:15:53,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:15:53,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:15:53,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:15:53,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:15:53,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:15:53,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:15:53,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:15:53,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:15:53,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:15:53,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:15:53,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:15:53,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:15:53,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:15:53,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:15:53,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:15:53,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:15:53,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:15:53,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:15:53,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:15:53,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:15:53,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:15:53,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:15:53,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:15:53,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:15:53,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:15:53,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:15:53,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:15:53,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2024-11-20 06:15:53,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:15:53,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:15:53,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:15:53,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:15:53,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:15:53,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-20 06:15:55,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:15:55,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:15:55,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-20 06:15:55,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab76c9e64/7b3ed6b5e52c4a928322748b0103573b/FLAGb81226d0f [2024-11-20 06:15:55,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab76c9e64/7b3ed6b5e52c4a928322748b0103573b [2024-11-20 06:15:55,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:15:55,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:15:55,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:15:55,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:15:55,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:15:55,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:55,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13237a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55, skipping insertion in model container [2024-11-20 06:15:55,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:55,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:15:55,787 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-20 06:15:55,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:15:55,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:15:55,918 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-20 06:15:55,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:15:55,990 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:15:55,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55 WrapperNode [2024-11-20 06:15:55,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:15:55,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:15:55,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:15:55,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:15:56,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,069 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 395 [2024-11-20 06:15:56,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:15:56,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:15:56,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:15:56,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:15:56,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,087 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,115 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 06:15:56,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:15:56,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:15:56,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:15:56,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:15:56,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (1/1) ... [2024-11-20 06:15:56,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:15:56,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:15:56,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 06:15:56,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 06:15:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:15:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:15:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:15:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:15:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:15:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:15:56,410 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:15:56,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:15:57,225 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-20 06:15:57,225 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:15:57,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:15:57,243 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:15:57,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:57 BoogieIcfgContainer [2024-11-20 06:15:57,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:15:57,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:15:57,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:15:57,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:15:57,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:15:55" (1/3) ... [2024-11-20 06:15:57,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140ef8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:15:57, skipping insertion in model container [2024-11-20 06:15:57,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:55" (2/3) ... [2024-11-20 06:15:57,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140ef8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:15:57, skipping insertion in model container [2024-11-20 06:15:57,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:57" (3/3) ... [2024-11-20 06:15:57,250 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-20 06:15:57,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:15:57,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:15:57,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:15:57,337 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;@52275e3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:15:57,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:15:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 121 states have (on average 1.4545454545454546) internal successors, (176), 122 states have internal predecessors, (176), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:15:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-20 06:15:57,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:57,371 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:15:57,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:57,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:57,377 INFO L85 PathProgramCache]: Analyzing trace with hash 405120777, now seen corresponding path program 1 times [2024-11-20 06:15:57,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:57,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626080748] [2024-11-20 06:15:57,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:57,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:15:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:15:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:15:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:15:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:15:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:15:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:15:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:15:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:15:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:15:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:15:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:15:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:15:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:15:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:15:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:15:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:15:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:15:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:15:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:15:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:15:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:15:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:15:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:15:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:15:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:15:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:15:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:15:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:15:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:57,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:15:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:15:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:15:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:15:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:15:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:15:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:15:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:15:58,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626080748] [2024-11-20 06:15:58,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626080748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:58,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:58,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:15:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804991825] [2024-11-20 06:15:58,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:58,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:15:58,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:58,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:15:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:15:58,127 INFO L87 Difference]: Start difference. First operand has 164 states, 121 states have (on average 1.4545454545454546) internal successors, (176), 122 states have internal predecessors, (176), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-20 06:15:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:58,174 INFO L93 Difference]: Finished difference Result 325 states and 549 transitions. [2024-11-20 06:15:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:15:58,177 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-20 06:15:58,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:58,185 INFO L225 Difference]: With dead ends: 325 [2024-11-20 06:15:58,185 INFO L226 Difference]: Without dead ends: 160 [2024-11-20 06:15:58,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:15:58,193 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:58,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:15:58,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-20 06:15:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-20 06:15:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 118 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:15:58,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2024-11-20 06:15:58,265 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 269 [2024-11-20 06:15:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:58,266 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2024-11-20 06:15:58,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-20 06:15:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2024-11-20 06:15:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-20 06:15:58,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:58,273 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:15:58,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:15:58,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:58,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash 339217989, now seen corresponding path program 1 times [2024-11-20 06:15:58,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:58,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429537574] [2024-11-20 06:15:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:15:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:15:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:15:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:15:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:15:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:15:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:15:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:15:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:15:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:15:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:15:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:15:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:15:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:15:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:15:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:15:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:15:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:15:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:15:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:15:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:15:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:15:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:15:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:15:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:15:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:15:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:15:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:15:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:15:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:15:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:15:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:15:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:15:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:15:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:15:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:15:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:15:58,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429537574] [2024-11-20 06:15:58,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429537574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:58,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:58,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:15:58,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858977412] [2024-11-20 06:15:58,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:58,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:15:58,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:58,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:15:58,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:15:58,924 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:15:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:58,979 INFO L93 Difference]: Finished difference Result 317 states and 495 transitions. [2024-11-20 06:15:58,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:15:58,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-20 06:15:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:58,988 INFO L225 Difference]: With dead ends: 317 [2024-11-20 06:15:58,988 INFO L226 Difference]: Without dead ends: 160 [2024-11-20 06:15:58,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:15:58,994 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 0 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:58,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:15:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-20 06:15:59,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-20 06:15:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:15:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-11-20 06:15:59,018 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 269 [2024-11-20 06:15:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:59,020 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-11-20 06:15:59,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:15:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-11-20 06:15:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-20 06:15:59,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:59,026 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:15:59,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:15:59,027 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:59,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash -55148797, now seen corresponding path program 1 times [2024-11-20 06:15:59,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:59,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891384772] [2024-11-20 06:15:59,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:59,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:02,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:02,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891384772] [2024-11-20 06:16:02,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891384772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:02,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:02,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:16:02,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531092940] [2024-11-20 06:16:02,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:02,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:16:02,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:02,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:16:02,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:16:02,998 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:04,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:04,840 INFO L93 Difference]: Finished difference Result 562 states and 854 transitions. [2024-11-20 06:16:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:16:04,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-20 06:16:04,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:04,845 INFO L225 Difference]: With dead ends: 562 [2024-11-20 06:16:04,846 INFO L226 Difference]: Without dead ends: 405 [2024-11-20 06:16:04,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:16:04,848 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1062 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:04,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 573 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 06:16:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-20 06:16:04,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 267. [2024-11-20 06:16:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 222 states have internal predecessors, (327), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-20 06:16:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 413 transitions. [2024-11-20 06:16:04,903 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 413 transitions. Word has length 269 [2024-11-20 06:16:04,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:04,906 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 413 transitions. [2024-11-20 06:16:04,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 413 transitions. [2024-11-20 06:16:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-20 06:16:04,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:04,911 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:04,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:16:04,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:04,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1643496699, now seen corresponding path program 1 times [2024-11-20 06:16:04,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:04,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079622423] [2024-11-20 06:16:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:04,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:05,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:05,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079622423] [2024-11-20 06:16:05,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079622423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:05,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473927311] [2024-11-20 06:16:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:05,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:05,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:16:05,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 06:16:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:05,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 06:16:05,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-11-20 06:16:06,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:06,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473927311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:06,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:06,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 13 [2024-11-20 06:16:06,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588543214] [2024-11-20 06:16:06,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:06,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 06:16:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:06,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 06:16:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:16:06,606 INFO L87 Difference]: Start difference. First operand 267 states and 413 transitions. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-20 06:16:07,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:07,701 INFO L93 Difference]: Finished difference Result 725 states and 1106 transitions. [2024-11-20 06:16:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 06:16:07,702 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 269 [2024-11-20 06:16:07,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:07,707 INFO L225 Difference]: With dead ends: 725 [2024-11-20 06:16:07,707 INFO L226 Difference]: Without dead ends: 461 [2024-11-20 06:16:07,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-20 06:16:07,710 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 865 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:07,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 920 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 06:16:07,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-20 06:16:07,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 454. [2024-11-20 06:16:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 387 states have (on average 1.3875968992248062) internal successors, (537), 390 states have internal predecessors, (537), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 56 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 06:16:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 655 transitions. [2024-11-20 06:16:07,747 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 655 transitions. Word has length 269 [2024-11-20 06:16:07,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:07,748 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 655 transitions. [2024-11-20 06:16:07,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-20 06:16:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 655 transitions. [2024-11-20 06:16:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-20 06:16:07,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:07,752 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:07,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 06:16:07,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:07,953 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:07,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:07,954 INFO L85 PathProgramCache]: Analyzing trace with hash -389519926, now seen corresponding path program 1 times [2024-11-20 06:16:07,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:07,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16766338] [2024-11-20 06:16:07,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:07,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:08,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:08,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16766338] [2024-11-20 06:16:08,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16766338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:08,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:08,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:16:08,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883102691] [2024-11-20 06:16:08,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:08,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:16:08,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:08,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:16:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:16:08,480 INFO L87 Difference]: Start difference. First operand 454 states and 655 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:08,578 INFO L93 Difference]: Finished difference Result 1355 states and 1958 transitions. [2024-11-20 06:16:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:16:08,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2024-11-20 06:16:08,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:08,587 INFO L225 Difference]: With dead ends: 1355 [2024-11-20 06:16:08,587 INFO L226 Difference]: Without dead ends: 904 [2024-11-20 06:16:08,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:16:08,590 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 157 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:08,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 551 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:16:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-20 06:16:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2024-11-20 06:16:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 769 states have (on average 1.3797139141742523) internal successors, (1061), 775 states have internal predecessors, (1061), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-20 06:16:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1297 transitions. [2024-11-20 06:16:08,684 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1297 transitions. Word has length 270 [2024-11-20 06:16:08,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:08,687 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1297 transitions. [2024-11-20 06:16:08,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1297 transitions. [2024-11-20 06:16:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 06:16:08,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:08,690 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:08,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:16:08,691 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:08,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:08,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1550695679, now seen corresponding path program 1 times [2024-11-20 06:16:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433118725] [2024-11-20 06:16:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433118725] [2024-11-20 06:16:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433118725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:10,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:10,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:16:10,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721854340] [2024-11-20 06:16:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:10,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:16:10,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:10,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:16:10,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:16:10,461 INFO L87 Difference]: Start difference. First operand 902 states and 1297 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:11,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:11,760 INFO L93 Difference]: Finished difference Result 2095 states and 2999 transitions. [2024-11-20 06:16:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:16:11,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-20 06:16:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:11,770 INFO L225 Difference]: With dead ends: 2095 [2024-11-20 06:16:11,771 INFO L226 Difference]: Without dead ends: 1196 [2024-11-20 06:16:11,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:16:11,776 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 815 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:11,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 756 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 06:16:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-20 06:16:11,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 958. [2024-11-20 06:16:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 825 states have (on average 1.3927272727272728) internal successors, (1149), 831 states have internal predecessors, (1149), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-20 06:16:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1385 transitions. [2024-11-20 06:16:11,891 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1385 transitions. Word has length 271 [2024-11-20 06:16:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:11,892 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1385 transitions. [2024-11-20 06:16:11,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1385 transitions. [2024-11-20 06:16:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 06:16:11,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:11,896 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:11,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 06:16:11,897 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:11,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:11,899 INFO L85 PathProgramCache]: Analyzing trace with hash -37652223, now seen corresponding path program 1 times [2024-11-20 06:16:11,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:11,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011156055] [2024-11-20 06:16:11,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:11,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:14,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011156055] [2024-11-20 06:16:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011156055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:14,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:14,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:16:14,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761064090] [2024-11-20 06:16:14,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:14,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:16:14,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:14,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:16:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:16:14,755 INFO L87 Difference]: Start difference. First operand 958 states and 1385 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:16,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:16,270 INFO L93 Difference]: Finished difference Result 2427 states and 3458 transitions. [2024-11-20 06:16:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:16:16,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-20 06:16:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:16,281 INFO L225 Difference]: With dead ends: 2427 [2024-11-20 06:16:16,282 INFO L226 Difference]: Without dead ends: 1472 [2024-11-20 06:16:16,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:16:16,285 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 689 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:16,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 754 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 06:16:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-20 06:16:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1110. [2024-11-20 06:16:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 977 states have (on average 1.3971340839303992) internal successors, (1365), 983 states have internal predecessors, (1365), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-20 06:16:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1601 transitions. [2024-11-20 06:16:16,393 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1601 transitions. Word has length 271 [2024-11-20 06:16:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:16,393 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1601 transitions. [2024-11-20 06:16:16,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1601 transitions. [2024-11-20 06:16:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 06:16:16,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:16,398 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:16,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 06:16:16,399 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:16,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:16,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1317515901, now seen corresponding path program 1 times [2024-11-20 06:16:16,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:16,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957494667] [2024-11-20 06:16:16,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:16,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:16,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:16,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 138 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-20 06:16:17,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:17,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957494667] [2024-11-20 06:16:17,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957494667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:17,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942107612] [2024-11-20 06:16:17,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:17,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:17,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:17,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:16:17,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 06:16:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:17,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 06:16:17,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-20 06:16:17,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:17,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942107612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:17,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:17,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-20 06:16:17,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112759979] [2024-11-20 06:16:17,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:17,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 06:16:17,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:17,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 06:16:17,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:16:17,847 INFO L87 Difference]: Start difference. First operand 1110 states and 1601 transitions. Second operand has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-20 06:16:18,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:18,574 INFO L93 Difference]: Finished difference Result 1693 states and 2439 transitions. [2024-11-20 06:16:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 06:16:18,576 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) Word has length 271 [2024-11-20 06:16:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:18,584 INFO L225 Difference]: With dead ends: 1693 [2024-11-20 06:16:18,584 INFO L226 Difference]: Without dead ends: 1138 [2024-11-20 06:16:18,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2024-11-20 06:16:18,590 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 328 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:18,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 607 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:16:18,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2024-11-20 06:16:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1126. [2024-11-20 06:16:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 991 states have (on average 1.3915237134207872) internal successors, (1379), 997 states have internal predecessors, (1379), 118 states have call successors, (118), 16 states have call predecessors, (118), 16 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-20 06:16:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1615 transitions. [2024-11-20 06:16:18,672 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1615 transitions. Word has length 271 [2024-11-20 06:16:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:18,673 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1615 transitions. [2024-11-20 06:16:18,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-20 06:16:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1615 transitions. [2024-11-20 06:16:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 06:16:18,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:18,677 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:18,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 06:16:18,881 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,SelfDestructingSolverStorable7 [2024-11-20 06:16:18,882 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:18,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1105400704, now seen corresponding path program 1 times [2024-11-20 06:16:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440976245] [2024-11-20 06:16:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:20,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:21,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440976245] [2024-11-20 06:16:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440976245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:21,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:21,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:16:21,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923970841] [2024-11-20 06:16:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:21,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:16:21,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:16:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:16:21,049 INFO L87 Difference]: Start difference. First operand 1126 states and 1615 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:23,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:23,856 INFO L93 Difference]: Finished difference Result 3490 states and 5008 transitions. [2024-11-20 06:16:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:16:23,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-20 06:16:23,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:23,872 INFO L225 Difference]: With dead ends: 3490 [2024-11-20 06:16:23,872 INFO L226 Difference]: Without dead ends: 2319 [2024-11-20 06:16:23,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:16:23,877 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 1515 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:23,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1511 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 06:16:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-20 06:16:24,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1965. [2024-11-20 06:16:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1708 states have (on average 1.3817330210772834) internal successors, (2360), 1716 states have internal predecessors, (2360), 224 states have call successors, (224), 32 states have call predecessors, (224), 32 states have return successors, (224), 216 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-20 06:16:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2808 transitions. [2024-11-20 06:16:24,056 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2808 transitions. Word has length 271 [2024-11-20 06:16:24,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:24,057 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2808 transitions. [2024-11-20 06:16:24,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2808 transitions. [2024-11-20 06:16:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 06:16:24,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:24,060 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:24,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 06:16:24,061 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:24,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1872624898, now seen corresponding path program 1 times [2024-11-20 06:16:24,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:24,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411983478] [2024-11-20 06:16:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:24,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:24,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411983478] [2024-11-20 06:16:24,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411983478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073718474] [2024-11-20 06:16:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:24,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:24,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:24,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:16:24,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 06:16:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:25,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 06:16:25,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-20 06:16:25,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-20 06:16:26,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073718474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:26,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:26,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2024-11-20 06:16:26,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822653751] [2024-11-20 06:16:26,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:26,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 06:16:26,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:26,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 06:16:26,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-20 06:16:26,339 INFO L87 Difference]: Start difference. First operand 1965 states and 2808 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) [2024-11-20 06:16:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:28,472 INFO L93 Difference]: Finished difference Result 3782 states and 5326 transitions. [2024-11-20 06:16:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-20 06:16:28,473 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) Word has length 271 [2024-11-20 06:16:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:28,485 INFO L225 Difference]: With dead ends: 3782 [2024-11-20 06:16:28,487 INFO L226 Difference]: Without dead ends: 1820 [2024-11-20 06:16:28,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=721, Invalid=1931, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 06:16:28,497 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 893 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:28,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 2130 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 06:16:28,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-20 06:16:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1397. [2024-11-20 06:16:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1194 states have (on average 1.3559463986599665) internal successors, (1619), 1196 states have internal predecessors, (1619), 166 states have call successors, (166), 36 states have call predecessors, (166), 36 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-20 06:16:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1951 transitions. [2024-11-20 06:16:28,618 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1951 transitions. Word has length 271 [2024-11-20 06:16:28,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:28,619 INFO L471 AbstractCegarLoop]: Abstraction has 1397 states and 1951 transitions. [2024-11-20 06:16:28,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) [2024-11-20 06:16:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1951 transitions. [2024-11-20 06:16:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-20 06:16:28,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:28,622 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:28,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 06:16:28,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:28,826 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:28,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1088259093, now seen corresponding path program 1 times [2024-11-20 06:16:28,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:28,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448340282] [2024-11-20 06:16:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 249 refuted. 0 times theorem prover too weak. 2787 trivial. 0 not checked. [2024-11-20 06:16:29,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:29,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448340282] [2024-11-20 06:16:29,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448340282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:29,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546488731] [2024-11-20 06:16:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:29,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:29,911 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) [2024-11-20 06:16:29,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 06:16:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:30,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-20 06:16:30,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 515 proven. 210 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2024-11-20 06:16:31,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:32,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546488731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:32,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:32,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 24 [2024-11-20 06:16:32,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989066424] [2024-11-20 06:16:32,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:32,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 06:16:32,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:32,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 06:16:32,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-20 06:16:32,010 INFO L87 Difference]: Start difference. First operand 1397 states and 1951 transitions. Second operand has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2024-11-20 06:16:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:36,134 INFO L93 Difference]: Finished difference Result 4342 states and 6004 transitions. [2024-11-20 06:16:36,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-20 06:16:36,135 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) Word has length 272 [2024-11-20 06:16:36,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:36,152 INFO L225 Difference]: With dead ends: 4342 [2024-11-20 06:16:36,152 INFO L226 Difference]: Without dead ends: 2942 [2024-11-20 06:16:36,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1523, Invalid=5283, Unknown=0, NotChecked=0, Total=6806 [2024-11-20 06:16:36,160 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2330 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 3150 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 3447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 3150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:36,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 2553 Invalid, 3447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 3150 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 06:16:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2024-11-20 06:16:36,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 1425. [2024-11-20 06:16:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1222 states have (on average 1.351063829787234) internal successors, (1651), 1222 states have internal predecessors, (1651), 160 states have call successors, (160), 42 states have call predecessors, (160), 42 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-20 06:16:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1971 transitions. [2024-11-20 06:16:36,331 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1971 transitions. Word has length 272 [2024-11-20 06:16:36,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:36,332 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 1971 transitions. [2024-11-20 06:16:36,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2024-11-20 06:16:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1971 transitions. [2024-11-20 06:16:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-20 06:16:36,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:36,336 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:36,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 06:16:36,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:36,537 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:36,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:36,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1927869845, now seen corresponding path program 1 times [2024-11-20 06:16:36,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:36,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953318953] [2024-11-20 06:16:36,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:36,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:36,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:37,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:37,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953318953] [2024-11-20 06:16:37,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953318953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:37,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:37,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 06:16:37,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744376079] [2024-11-20 06:16:37,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:37,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 06:16:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 06:16:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:16:37,069 INFO L87 Difference]: Start difference. First operand 1425 states and 1971 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:37,585 INFO L93 Difference]: Finished difference Result 3842 states and 5316 transitions. [2024-11-20 06:16:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:16:37,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 272 [2024-11-20 06:16:37,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:37,600 INFO L225 Difference]: With dead ends: 3842 [2024-11-20 06:16:37,600 INFO L226 Difference]: Without dead ends: 2420 [2024-11-20 06:16:37,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:16:37,606 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 269 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 593 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 06:16:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2024-11-20 06:16:37,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2410. [2024-11-20 06:16:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2005 states have (on average 1.339650872817955) internal successors, (2686), 2005 states have internal predecessors, (2686), 320 states have call successors, (320), 84 states have call predecessors, (320), 84 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-20 06:16:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3326 transitions. [2024-11-20 06:16:37,877 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3326 transitions. Word has length 272 [2024-11-20 06:16:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:37,878 INFO L471 AbstractCegarLoop]: Abstraction has 2410 states and 3326 transitions. [2024-11-20 06:16:37,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3326 transitions. [2024-11-20 06:16:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-20 06:16:37,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:37,882 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:37,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 06:16:37,882 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:37,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:37,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1082662511, now seen corresponding path program 1 times [2024-11-20 06:16:37,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:37,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251557394] [2024-11-20 06:16:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:37,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:38,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251557394] [2024-11-20 06:16:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251557394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:38,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:16:38,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008554240] [2024-11-20 06:16:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:38,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:16:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:38,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:16:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:16:38,702 INFO L87 Difference]: Start difference. First operand 2410 states and 3326 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:39,579 INFO L93 Difference]: Finished difference Result 5166 states and 7130 transitions. [2024-11-20 06:16:39,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:16:39,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-20 06:16:39,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:39,596 INFO L225 Difference]: With dead ends: 5166 [2024-11-20 06:16:39,596 INFO L226 Difference]: Without dead ends: 2759 [2024-11-20 06:16:39,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:16:39,605 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 319 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:39,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1150 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:16:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2024-11-20 06:16:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2432. [2024-11-20 06:16:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 2027 states have (on average 1.3428712382831771) internal successors, (2722), 2027 states have internal predecessors, (2722), 320 states have call successors, (320), 84 states have call predecessors, (320), 84 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-20 06:16:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3362 transitions. [2024-11-20 06:16:39,872 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3362 transitions. Word has length 273 [2024-11-20 06:16:39,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:39,873 INFO L471 AbstractCegarLoop]: Abstraction has 2432 states and 3362 transitions. [2024-11-20 06:16:39,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-20 06:16:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3362 transitions. [2024-11-20 06:16:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-20 06:16:39,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:39,877 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:39,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 06:16:39,877 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:39,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:39,878 INFO L85 PathProgramCache]: Analyzing trace with hash -505685391, now seen corresponding path program 1 times [2024-11-20 06:16:39,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227934573] [2024-11-20 06:16:39,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:39,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:40,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227934573] [2024-11-20 06:16:40,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227934573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510154379] [2024-11-20 06:16:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:40,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:40,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:40,541 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) [2024-11-20 06:16:40,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 06:16:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:40,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 06:16:40,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-11-20 06:16:41,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:42,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510154379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:42,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:42,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-20 06:16:42,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117545536] [2024-11-20 06:16:42,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:42,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 06:16:42,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 06:16:42,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:16:42,020 INFO L87 Difference]: Start difference. First operand 2432 states and 3362 transitions. Second operand has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-11-20 06:16:44,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:44,621 INFO L93 Difference]: Finished difference Result 8654 states and 11884 transitions. [2024-11-20 06:16:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-20 06:16:44,622 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) Word has length 273 [2024-11-20 06:16:44,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:44,658 INFO L225 Difference]: With dead ends: 8654 [2024-11-20 06:16:44,659 INFO L226 Difference]: Without dead ends: 6225 [2024-11-20 06:16:44,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=529, Invalid=2123, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 06:16:44,667 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1816 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:44,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1286 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 06:16:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2024-11-20 06:16:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 4715. [2024-11-20 06:16:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4715 states, 3978 states have (on average 1.3343388637506284) internal successors, (5308), 3986 states have internal predecessors, (5308), 560 states have call successors, (560), 176 states have call predecessors, (560), 176 states have return successors, (560), 552 states have call predecessors, (560), 560 states have call successors, (560) [2024-11-20 06:16:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 6428 transitions. [2024-11-20 06:16:45,271 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 6428 transitions. Word has length 273 [2024-11-20 06:16:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:45,272 INFO L471 AbstractCegarLoop]: Abstraction has 4715 states and 6428 transitions. [2024-11-20 06:16:45,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-11-20 06:16:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 6428 transitions. [2024-11-20 06:16:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-20 06:16:45,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:45,279 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:45,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 06:16:45,483 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,SelfDestructingSolverStorable13 [2024-11-20 06:16:45,483 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:45,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:45,484 INFO L85 PathProgramCache]: Analyzing trace with hash 922511612, now seen corresponding path program 1 times [2024-11-20 06:16:45,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:45,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060027328] [2024-11-20 06:16:45,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:45,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:46,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:46,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060027328] [2024-11-20 06:16:46,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060027328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:46,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662455448] [2024-11-20 06:16:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:46,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:46,106 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:16:46,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 06:16:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:46,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 06:16:46,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-11-20 06:16:46,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-20 06:16:46,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662455448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:46,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:46,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-20 06:16:46,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38229343] [2024-11-20 06:16:46,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:46,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:16:46,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:46,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:16:46,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:16:46,915 INFO L87 Difference]: Start difference. First operand 4715 states and 6428 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-20 06:16:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:48,687 INFO L93 Difference]: Finished difference Result 14459 states and 19566 transitions. [2024-11-20 06:16:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-20 06:16:48,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) Word has length 275 [2024-11-20 06:16:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:48,736 INFO L225 Difference]: With dead ends: 14459 [2024-11-20 06:16:48,736 INFO L226 Difference]: Without dead ends: 9747 [2024-11-20 06:16:48,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 627 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-11-20 06:16:48,752 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 949 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:48,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 603 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:16:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9747 states. [2024-11-20 06:16:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9747 to 9511. [2024-11-20 06:16:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9511 states, 8006 states have (on average 1.3185111166625032) internal successors, (10556), 8022 states have internal predecessors, (10556), 1120 states have call successors, (1120), 384 states have call predecessors, (1120), 384 states have return successors, (1120), 1104 states have call predecessors, (1120), 1120 states have call successors, (1120) [2024-11-20 06:16:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9511 states to 9511 states and 12796 transitions. [2024-11-20 06:16:49,707 INFO L78 Accepts]: Start accepts. Automaton has 9511 states and 12796 transitions. Word has length 275 [2024-11-20 06:16:49,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:49,707 INFO L471 AbstractCegarLoop]: Abstraction has 9511 states and 12796 transitions. [2024-11-20 06:16:49,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-20 06:16:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9511 states and 12796 transitions. [2024-11-20 06:16:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-20 06:16:49,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:49,715 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:49,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 06:16:49,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 06:16:49,916 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:49,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:49,916 INFO L85 PathProgramCache]: Analyzing trace with hash -6304768, now seen corresponding path program 1 times [2024-11-20 06:16:49,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:49,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737306214] [2024-11-20 06:16:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:49,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 150 proven. 78 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-20 06:16:50,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:50,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737306214] [2024-11-20 06:16:50,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737306214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:16:50,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35203670] [2024-11-20 06:16:50,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:50,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:50,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:16:50,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:16:50,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 06:16:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:50,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 06:16:50,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:16:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2021 proven. 126 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2024-11-20 06:16:51,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:16:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-20 06:16:51,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35203670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:16:51,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:16:51,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 25 [2024-11-20 06:16:51,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183187446] [2024-11-20 06:16:51,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:16:51,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-20 06:16:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-20 06:16:51,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-20 06:16:51,992 INFO L87 Difference]: Start difference. First operand 9511 states and 12796 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) [2024-11-20 06:16:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:16:56,602 INFO L93 Difference]: Finished difference Result 33436 states and 44302 transitions. [2024-11-20 06:16:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-20 06:16:56,603 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) Word has length 275 [2024-11-20 06:16:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:16:56,684 INFO L225 Difference]: With dead ends: 33436 [2024-11-20 06:16:56,685 INFO L226 Difference]: Without dead ends: 23928 [2024-11-20 06:16:56,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 622 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1682, Invalid=4324, Unknown=0, NotChecked=0, Total=6006 [2024-11-20 06:16:56,711 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 3413 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:16:56,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 1528 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 06:16:56,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23928 states. [2024-11-20 06:16:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23928 to 11119. [2024-11-20 06:16:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11119 states, 10190 states have (on average 1.3609421000981354) internal successors, (13868), 10190 states have internal predecessors, (13868), 640 states have call successors, (640), 288 states have call predecessors, (640), 288 states have return successors, (640), 640 states have call predecessors, (640), 640 states have call successors, (640) [2024-11-20 06:16:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11119 states to 11119 states and 15148 transitions. [2024-11-20 06:16:57,636 INFO L78 Accepts]: Start accepts. Automaton has 11119 states and 15148 transitions. Word has length 275 [2024-11-20 06:16:57,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:16:57,637 INFO L471 AbstractCegarLoop]: Abstraction has 11119 states and 15148 transitions. [2024-11-20 06:16:57,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) [2024-11-20 06:16:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11119 states and 15148 transitions. [2024-11-20 06:16:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-20 06:16:57,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:16:57,645 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:16:57,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 06:16:57,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:16:57,848 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:16:57,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:16:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash 298950667, now seen corresponding path program 1 times [2024-11-20 06:16:57,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:16:57,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683434200] [2024-11-20 06:16:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:16:57,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:16:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:16:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:16:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:16:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:16:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:16:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:16:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:16:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:16:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:16:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:16:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:16:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:16:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:16:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 06:16:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:16:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:16:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:16:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:16:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:16:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:16:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:16:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:16:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:16:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:16:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:16:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:16:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:16:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:16:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:16:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:16:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:16:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 06:16:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 06:16:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 06:16:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 06:16:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 06:16:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 06:16:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 06:16:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 06:16:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 06:16:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:16:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-20 06:16:58,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:16:58,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683434200] [2024-11-20 06:16:58,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683434200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:16:58,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:16:58,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:16:58,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908695897] [2024-11-20 06:16:58,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:16:58,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:16:58,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:16:58,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:16:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:16:58,031 INFO L87 Difference]: Start difference. First operand 11119 states and 15148 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)