./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_floatingpointinfluence_no-floats_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_floatingpointinfluence_no-floats_file-6.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 39503444fac790cc7ef077fbcc4f712a5a3d8e4f2da830986fe4863c2c197175 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:38:27,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:38:27,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:38:27,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:38:27,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:38:27,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:38:27,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:38:27,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:38:27,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:38:27,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:38:27,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:38:27,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:38:27,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:38:27,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:38:27,120 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:38:27,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:38:27,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:38:27,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:38:27,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:38:27,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:38:27,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:38:27,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:38:27,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:38:27,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:38:27,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:38:27,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:38:27,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:38:27,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:38:27,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:38:27,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:38:27,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:38:27,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:38:27,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:38:27,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:38:27,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:38:27,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:38:27,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:38:27,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:38:27,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:38:27,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:38:27,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:38:27,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:38:27,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39503444fac790cc7ef077fbcc4f712a5a3d8e4f2da830986fe4863c2c197175 [2024-10-13 03:38:27,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:38:27,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:38:27,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:38:27,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:38:27,475 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:38:27,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i [2024-10-13 03:38:29,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:38:29,223 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:38:29,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i [2024-10-13 03:38:29,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8251c4408/866ed55af92948ddad392b345cff262c/FLAGa508d9f8f [2024-10-13 03:38:29,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8251c4408/866ed55af92948ddad392b345cff262c [2024-10-13 03:38:29,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:38:29,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:38:29,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:38:29,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:38:29,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:38:29,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2930274c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29, skipping insertion in model container [2024-10-13 03:38:29,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:38:29,467 WARN L248 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_floatingpointinfluence_no-floats_file-6.i[915,928] [2024-10-13 03:38:29,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:38:29,519 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:38:29,530 WARN L248 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_floatingpointinfluence_no-floats_file-6.i[915,928] [2024-10-13 03:38:29,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:38:29,569 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:38:29,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29 WrapperNode [2024-10-13 03:38:29,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:38:29,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:38:29,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:38:29,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:38:29,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,625 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-10-13 03:38:29,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:38:29,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:38:29,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:38:29,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:38:29,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,666 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]. [2024-10-13 03:38:29,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:38:29,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:38:29,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:38:29,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:38:29,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (1/1) ... [2024-10-13 03:38:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:38:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:38:29,744 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) [2024-10-13 03:38:29,747 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 [2024-10-13 03:38:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:38:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:38:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:38:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:38:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:38:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:38:29,879 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:38:29,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:38:30,223 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-13 03:38:30,223 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:38:30,348 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:38:30,348 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:38:30,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:38:30 BoogieIcfgContainer [2024-10-13 03:38:30,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:38:30,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:38:30,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:38:30,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:38:30,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:38:29" (1/3) ... [2024-10-13 03:38:30,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69055cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:38:30, skipping insertion in model container [2024-10-13 03:38:30,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:38:29" (2/3) ... [2024-10-13 03:38:30,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69055cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:38:30, skipping insertion in model container [2024-10-13 03:38:30,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:38:30" (3/3) ... [2024-10-13 03:38:30,364 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-6.i [2024-10-13 03:38:30,380 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:38:30,381 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:38:30,435 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:38:30,441 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;@68609e41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:38:30,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:38:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:38:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:38:30,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:30,459 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:30,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:30,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:30,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1727841666, now seen corresponding path program 1 times [2024-10-13 03:38:30,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:30,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397055948] [2024-10-13 03:38:30,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:30,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397055948] [2024-10-13 03:38:30,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397055948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:30,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:30,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:38:30,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177194935] [2024-10-13 03:38:30,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:30,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:38:30,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:38:30,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:38:30,943 INFO L87 Difference]: Start difference. First operand has 54 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 03:38:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:30,986 INFO L93 Difference]: Finished difference Result 105 states and 191 transitions. [2024-10-13 03:38:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:38:30,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 136 [2024-10-13 03:38:30,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:30,995 INFO L225 Difference]: With dead ends: 105 [2024-10-13 03:38:30,996 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 03:38:30,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:38:31,002 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:31,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:38:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 03:38:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-13 03:38:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:38:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 80 transitions. [2024-10-13 03:38:31,065 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 80 transitions. Word has length 136 [2024-10-13 03:38:31,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:31,066 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 80 transitions. [2024-10-13 03:38:31,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 03:38:31,067 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2024-10-13 03:38:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:38:31,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:31,076 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:31,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:38:31,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:31,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:31,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1982930436, now seen corresponding path program 1 times [2024-10-13 03:38:31,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:31,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202838829] [2024-10-13 03:38:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:31,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:31,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:31,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202838829] [2024-10-13 03:38:31,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202838829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:31,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:31,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:38:31,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981972072] [2024-10-13 03:38:31,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:31,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:38:31,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:31,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:38:31,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:38:31,740 INFO L87 Difference]: Start difference. First operand 52 states and 80 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:31,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:31,907 INFO L93 Difference]: Finished difference Result 103 states and 159 transitions. [2024-10-13 03:38:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:38:31,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:38:31,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:31,912 INFO L225 Difference]: With dead ends: 103 [2024-10-13 03:38:31,912 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 03:38:31,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:38:31,914 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:31,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 75 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:38:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 03:38:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-13 03:38:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:38:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2024-10-13 03:38:31,934 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 136 [2024-10-13 03:38:31,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:31,936 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2024-10-13 03:38:31,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-10-13 03:38:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:38:31,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:31,941 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:31,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:38:31,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:31,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1925672134, now seen corresponding path program 1 times [2024-10-13 03:38:31,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:31,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263965994] [2024-10-13 03:38:31,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:31,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:32,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:32,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263965994] [2024-10-13 03:38:32,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263965994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:32,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:32,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:38:32,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372338673] [2024-10-13 03:38:32,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:32,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:38:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:32,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:38:32,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:38:32,306 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:32,370 INFO L93 Difference]: Finished difference Result 140 states and 211 transitions. [2024-10-13 03:38:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:38:32,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:38:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:32,373 INFO L225 Difference]: With dead ends: 140 [2024-10-13 03:38:32,374 INFO L226 Difference]: Without dead ends: 89 [2024-10-13 03:38:32,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:38:32,375 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:32,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 184 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:38:32,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-13 03:38:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-10-13 03:38:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:38:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 130 transitions. [2024-10-13 03:38:32,405 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 130 transitions. Word has length 136 [2024-10-13 03:38:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:32,407 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 130 transitions. [2024-10-13 03:38:32,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2024-10-13 03:38:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:38:32,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:32,412 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:32,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:38:32,412 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:32,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:32,413 INFO L85 PathProgramCache]: Analyzing trace with hash -150664772, now seen corresponding path program 1 times [2024-10-13 03:38:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:32,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837751520] [2024-10-13 03:38:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:32,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:38,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:38,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837751520] [2024-10-13 03:38:38,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837751520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:38,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:38,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:38:38,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450900630] [2024-10-13 03:38:38,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:38,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:38:38,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:38:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:38:38,361 INFO L87 Difference]: Start difference. First operand 86 states and 130 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:39,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:39,896 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2024-10-13 03:38:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 03:38:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:38:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:39,903 INFO L225 Difference]: With dead ends: 95 [2024-10-13 03:38:39,903 INFO L226 Difference]: Without dead ends: 93 [2024-10-13 03:38:39,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:38:39,905 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 27 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:39,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 265 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:38:39,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-13 03:38:39,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2024-10-13 03:38:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:38:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 132 transitions. [2024-10-13 03:38:39,932 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 132 transitions. Word has length 136 [2024-10-13 03:38:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:39,935 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 132 transitions. [2024-10-13 03:38:39,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2024-10-13 03:38:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 03:38:39,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:39,937 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:39,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:38:39,938 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:39,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:39,939 INFO L85 PathProgramCache]: Analyzing trace with hash 628194866, now seen corresponding path program 1 times [2024-10-13 03:38:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:39,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024763643] [2024-10-13 03:38:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:39,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:43,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:43,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024763643] [2024-10-13 03:38:43,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024763643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:43,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:43,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:38:43,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362188939] [2024-10-13 03:38:43,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:43,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:38:43,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:43,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:38:43,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:38:43,987 INFO L87 Difference]: Start difference. First operand 88 states and 132 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:49,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:49,262 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions. [2024-10-13 03:38:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:38:49,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-13 03:38:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:49,266 INFO L225 Difference]: With dead ends: 108 [2024-10-13 03:38:49,266 INFO L226 Difference]: Without dead ends: 106 [2024-10-13 03:38:49,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:38:49,270 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 39 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:49,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 329 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 03:38:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-13 03:38:49,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 94. [2024-10-13 03:38:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 54 states have internal predecessors, (64), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:38:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 140 transitions. [2024-10-13 03:38:49,300 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 140 transitions. Word has length 137 [2024-10-13 03:38:49,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:49,301 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 140 transitions. [2024-10-13 03:38:49,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2024-10-13 03:38:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 03:38:49,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:49,304 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:49,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:38:49,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:49,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:49,305 INFO L85 PathProgramCache]: Analyzing trace with hash -181151760, now seen corresponding path program 1 times [2024-10-13 03:38:49,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:49,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982501041] [2024-10-13 03:38:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:53,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:53,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982501041] [2024-10-13 03:38:53,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982501041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:53,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:53,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:38:53,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129289862] [2024-10-13 03:38:53,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:53,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:38:53,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:53,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:38:53,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:38:53,156 INFO L87 Difference]: Start difference. First operand 94 states and 140 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:53,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:53,931 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2024-10-13 03:38:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:38:53,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-13 03:38:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:53,936 INFO L225 Difference]: With dead ends: 109 [2024-10-13 03:38:53,938 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 03:38:53,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:38:53,940 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 36 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:53,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 232 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:38:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 03:38:53,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 90. [2024-10-13 03:38:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 49 states have (on average 1.183673469387755) internal successors, (58), 50 states have internal predecessors, (58), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:38:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2024-10-13 03:38:53,969 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 137 [2024-10-13 03:38:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:53,970 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2024-10-13 03:38:53,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2024-10-13 03:38:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 03:38:53,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:53,972 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:53,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:38:53,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:53,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash -385519683, now seen corresponding path program 1 times [2024-10-13 03:38:53,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:53,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966027198] [2024-10-13 03:38:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:54,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:54,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966027198] [2024-10-13 03:38:54,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966027198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:54,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:54,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 03:38:54,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278646236] [2024-10-13 03:38:54,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:54,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 03:38:54,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 03:38:54,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:38:54,679 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:55,156 INFO L93 Difference]: Finished difference Result 244 states and 362 transitions. [2024-10-13 03:38:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 03:38:55,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-13 03:38:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:55,160 INFO L225 Difference]: With dead ends: 244 [2024-10-13 03:38:55,162 INFO L226 Difference]: Without dead ends: 155 [2024-10-13 03:38:55,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:38:55,164 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 38 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:55,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 246 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:38:55,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-13 03:38:55,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 141. [2024-10-13 03:38:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 76 states have (on average 1.1842105263157894) internal successors, (90), 77 states have internal predecessors, (90), 61 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 03:38:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 212 transitions. [2024-10-13 03:38:55,200 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 212 transitions. Word has length 137 [2024-10-13 03:38:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:55,201 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 212 transitions. [2024-10-13 03:38:55,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2024-10-13 03:38:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 03:38:55,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:55,203 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:55,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:38:55,203 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:55,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:55,204 INFO L85 PathProgramCache]: Analyzing trace with hash -385460101, now seen corresponding path program 1 times [2024-10-13 03:38:55,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:55,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041064764] [2024-10-13 03:38:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:38:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:38:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:38:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:38:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:38:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:38:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:38:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:38:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:38:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:38:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:38:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:38:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:38:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:38:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:38:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:38:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:38:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:38:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:38:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:38:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:38:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:38:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:38:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:38:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:38:58,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:38:58,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041064764] [2024-10-13 03:38:58,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041064764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:38:58,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:38:58,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:38:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940309337] [2024-10-13 03:38:58,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:38:58,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:38:58,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:38:58,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:38:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:38:58,085 INFO L87 Difference]: Start difference. First operand 141 states and 212 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:38:59,568 INFO L93 Difference]: Finished difference Result 238 states and 352 transitions. [2024-10-13 03:38:59,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 03:38:59,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-13 03:38:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:38:59,571 INFO L225 Difference]: With dead ends: 238 [2024-10-13 03:38:59,571 INFO L226 Difference]: Without dead ends: 236 [2024-10-13 03:38:59,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-13 03:38:59,573 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 77 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:38:59,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 267 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:38:59,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-13 03:38:59,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2024-10-13 03:38:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 123 states have (on average 1.1869918699186992) internal successors, (146), 125 states have internal predecessors, (146), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:38:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 344 transitions. [2024-10-13 03:38:59,628 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 344 transitions. Word has length 137 [2024-10-13 03:38:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:38:59,628 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 344 transitions. [2024-10-13 03:38:59,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:38:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 344 transitions. [2024-10-13 03:38:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 03:38:59,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:38:59,630 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:38:59,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:38:59,631 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:38:59,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:38:59,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2010674681, now seen corresponding path program 1 times [2024-10-13 03:38:59,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:38:59,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040914637] [2024-10-13 03:38:59,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:38:59,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:38:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:39:01,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:01,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040914637] [2024-10-13 03:39:01,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040914637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:39:01,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:39:01,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:39:01,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717432242] [2024-10-13 03:39:01,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:39:01,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:39:01,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:39:01,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:39:01,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:39:01,990 INFO L87 Difference]: Start difference. First operand 228 states and 344 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:02,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:39:02,406 INFO L93 Difference]: Finished difference Result 248 states and 365 transitions. [2024-10-13 03:39:02,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 03:39:02,407 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-13 03:39:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:39:02,409 INFO L225 Difference]: With dead ends: 248 [2024-10-13 03:39:02,409 INFO L226 Difference]: Without dead ends: 246 [2024-10-13 03:39:02,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:39:02,410 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 47 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:39:02,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 272 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:39:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-13 03:39:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 232. [2024-10-13 03:39:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:39:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-10-13 03:39:02,451 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 138 [2024-10-13 03:39:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:39:02,451 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-10-13 03:39:02,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-10-13 03:39:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 03:39:02,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:39:02,453 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:39:02,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:39:02,453 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:39:02,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:39:02,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2010615099, now seen corresponding path program 1 times [2024-10-13 03:39:02,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:39:02,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793669060] [2024-10-13 03:39:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:39:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:39:05,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:05,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793669060] [2024-10-13 03:39:05,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793669060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:39:05,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:39:05,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:39:05,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814429099] [2024-10-13 03:39:05,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:39:05,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:39:05,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:39:05,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:39:05,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:39:05,012 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:39:05,613 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2024-10-13 03:39:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 03:39:05,615 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-13 03:39:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:39:05,618 INFO L225 Difference]: With dead ends: 246 [2024-10-13 03:39:05,618 INFO L226 Difference]: Without dead ends: 244 [2024-10-13 03:39:05,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:39:05,619 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 53 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:39:05,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 257 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:39:05,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-13 03:39:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 232. [2024-10-13 03:39:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:39:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-10-13 03:39:05,654 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 138 [2024-10-13 03:39:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:39:05,655 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-10-13 03:39:05,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-10-13 03:39:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 03:39:05,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:39:05,656 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:39:05,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:39:05,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:39:05,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:39:05,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1475005571, now seen corresponding path program 1 times [2024-10-13 03:39:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:39:05,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170510031] [2024-10-13 03:39:05,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:39:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:39:15,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:15,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170510031] [2024-10-13 03:39:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170510031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:39:15,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:39:15,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:39:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323813696] [2024-10-13 03:39:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:39:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:39:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:39:15,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:39:15,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:39:15,532 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:39:21,920 INFO L93 Difference]: Finished difference Result 250 states and 368 transitions. [2024-10-13 03:39:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 03:39:21,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-13 03:39:21,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:39:21,923 INFO L225 Difference]: With dead ends: 250 [2024-10-13 03:39:21,924 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 03:39:21,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2024-10-13 03:39:21,925 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:39:21,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 347 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-13 03:39:21,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 03:39:21,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 232. [2024-10-13 03:39:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:39:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-10-13 03:39:21,963 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 138 [2024-10-13 03:39:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:39:21,964 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-10-13 03:39:21,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:39:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-10-13 03:39:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-13 03:39:21,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:39:21,967 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:39:21,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:39:21,967 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:39:21,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:39:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1598348461, now seen corresponding path program 1 times [2024-10-13 03:39:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:39:21,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344481526] [2024-10-13 03:39:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:39:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 03:39:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:39:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:39:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:39:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 03:39:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:39:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 03:39:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:39:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:39:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:39:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 03:39:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:39:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 03:39:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:39:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:39:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:39:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:39:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 03:39:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 03:39:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 03:39:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 03:39:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 03:39:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 03:39:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 03:39:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344481526] [2024-10-13 03:39:23,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344481526] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:39:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401544509] [2024-10-13 03:39:23,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:39:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:39:23,666 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) [2024-10-13 03:39:23,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 03:39:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:23,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 03:39:23,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:39:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 2 proven. 2156 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2024-10-13 03:39:25,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:39:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4179 trivial. 0 not checked. [2024-10-13 03:39:25,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401544509] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:39:25,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 03:39:25,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 16 [2024-10-13 03:39:25,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13577730] [2024-10-13 03:39:25,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 03:39:25,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 03:39:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:39:25,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 03:39:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-13 03:39:25,743 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 16 states, 16 states have (on average 6.125) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (115), 3 states have call predecessors, (115), 3 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) [2024-10-13 03:39:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:39:26,524 INFO L93 Difference]: Finished difference Result 423 states and 630 transitions. [2024-10-13 03:39:26,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:39:26,525 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (115), 3 states have call predecessors, (115), 3 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) Word has length 272 [2024-10-13 03:39:26,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:39:26,529 INFO L225 Difference]: With dead ends: 423 [2024-10-13 03:39:26,530 INFO L226 Difference]: Without dead ends: 243 [2024-10-13 03:39:26,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 631 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2024-10-13 03:39:26,532 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 157 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:39:26,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 473 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 03:39:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-10-13 03:39:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2024-10-13 03:39:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 120 states have (on average 1.175) internal successors, (141), 122 states have internal predecessors, (141), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:39:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 339 transitions. [2024-10-13 03:39:26,573 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 339 transitions. Word has length 272 [2024-10-13 03:39:26,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:39:26,574 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 339 transitions. [2024-10-13 03:39:26,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (115), 3 states have call predecessors, (115), 3 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) [2024-10-13 03:39:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 339 transitions. [2024-10-13 03:39:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-13 03:39:26,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:39:26,577 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:39:26,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 03:39:26,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 03:39:26,778 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:39:26,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:39:26,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1625202231, now seen corresponding path program 1 times [2024-10-13 03:39:26,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:39:26,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641120725] [2024-10-13 03:39:26,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:26,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:39:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 03:39:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 03:39:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 03:39:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 03:39:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:39:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 03:39:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:39:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 03:39:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:39:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 03:39:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:39:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 03:39:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:39:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 03:39:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 03:39:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 03:39:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 03:39:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 03:39:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 03:39:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 03:39:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-13 03:39:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 03:39:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-13 03:39:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 03:39:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:33,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641120725] [2024-10-13 03:39:33,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641120725] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:39:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888814028] [2024-10-13 03:39:33,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:33,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:39:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:39:33,506 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) [2024-10-13 03:39:33,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 03:39:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:33,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-13 03:39:33,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:39:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 2260 proven. 901 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2024-10-13 03:39:35,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:39:38,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888814028] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:39:38,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 03:39:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30] total 39 [2024-10-13 03:39:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311962939] [2024-10-13 03:39:38,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 03:39:38,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-13 03:39:38,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:39:38,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-13 03:39:38,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=2129, Unknown=0, NotChecked=0, Total=2550 [2024-10-13 03:39:38,379 INFO L87 Difference]: Start difference. First operand 225 states and 339 transitions. Second operand has 39 states, 39 states have (on average 3.1538461538461537) internal successors, (123), 35 states have internal predecessors, (123), 10 states have call successors, (92), 9 states have call predecessors, (92), 13 states have return successors, (92), 12 states have call predecessors, (92), 10 states have call successors, (92) [2024-10-13 03:39:40,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:39:40,841 INFO L93 Difference]: Finished difference Result 405 states and 545 transitions. [2024-10-13 03:39:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-13 03:39:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.1538461538461537) internal successors, (123), 35 states have internal predecessors, (123), 10 states have call successors, (92), 9 states have call predecessors, (92), 13 states have return successors, (92), 12 states have call predecessors, (92), 10 states have call successors, (92) Word has length 273 [2024-10-13 03:39:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:39:40,845 INFO L225 Difference]: With dead ends: 405 [2024-10-13 03:39:40,846 INFO L226 Difference]: Without dead ends: 312 [2024-10-13 03:39:40,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2193 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1497, Invalid=6335, Unknown=0, NotChecked=0, Total=7832 [2024-10-13 03:39:40,850 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 177 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:39:40,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 506 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 03:39:40,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-13 03:39:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 297. [2024-10-13 03:39:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 174 states have (on average 1.103448275862069) internal successors, (192), 176 states have internal predecessors, (192), 99 states have call successors, (99), 23 states have call predecessors, (99), 23 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 03:39:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 390 transitions. [2024-10-13 03:39:40,898 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 390 transitions. Word has length 273 [2024-10-13 03:39:40,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:39:40,899 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 390 transitions. [2024-10-13 03:39:40,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.1538461538461537) internal successors, (123), 35 states have internal predecessors, (123), 10 states have call successors, (92), 9 states have call predecessors, (92), 13 states have return successors, (92), 12 states have call predecessors, (92), 10 states have call successors, (92) [2024-10-13 03:39:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 390 transitions. [2024-10-13 03:39:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-13 03:39:40,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:39:40,902 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:39:40,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 03:39:41,102 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,SelfDestructingSolverStorable12 [2024-10-13 03:39:41,103 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:39:41,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:39:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1625142649, now seen corresponding path program 1 times [2024-10-13 03:39:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:39:41,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345448266] [2024-10-13 03:39:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:39:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:39:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:39:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:39:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:39:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:39:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:39:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:39:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:39:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:39:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:39:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:39:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:39:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:39:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:39:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:39:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:39:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:39:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:39:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:39:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:39:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:39:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:39:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:39:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 03:39:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 03:39:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 03:39:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 03:39:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:39:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 03:39:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:39:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 03:39:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 03:39:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:39:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 03:39:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:39:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 03:39:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 03:39:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 03:39:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 03:39:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 03:39:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 03:39:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 03:39:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-13 03:39:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 03:39:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-13 03:39:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 03:39:43,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:39:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345448266] [2024-10-13 03:39:43,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345448266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:39:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530312672] [2024-10-13 03:39:43,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:39:43,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:39:43,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:39:43,999 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) [2024-10-13 03:39:44,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 03:39:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:39:44,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-13 03:39:44,219 INFO L278 TraceCheckSpWp]: Computing forward predicates...