./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.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 5054d685be7479f98d5d246ff0f244e50fabd251a7020bbdbd6362d047caf08a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:02:23,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:02:23,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 12:02:23,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:02:23,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:02:23,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:02:23,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:02:23,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:02:23,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:02:23,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:02:23,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:02:23,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:02:23,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:02:23,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:02:23,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:02:23,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:02:23,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:02:23,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:02:23,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 12:02:23,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:02:23,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:02:23,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:02:23,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:02:23,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:02:23,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:02:23,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:02:23,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:02:23,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:02:23,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:02:23,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:02:23,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:02:23,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:02:23,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5054d685be7479f98d5d246ff0f244e50fabd251a7020bbdbd6362d047caf08a [2024-11-22 12:02:23,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:02:23,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:02:23,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:02:24,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:02:24,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:02:24,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.i [2024-11-22 12:02:25,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:02:25,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:02:25,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.i [2024-11-22 12:02:25,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d67cc7f7/594cbd19e91a4c10b9e09d378766358b/FLAG04538fc4f [2024-11-22 12:02:25,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d67cc7f7/594cbd19e91a4c10b9e09d378766358b [2024-11-22 12:02:25,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:02:25,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:02:25,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:02:25,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:02:25,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:02:25,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:25" (1/1) ... [2024-11-22 12:02:25,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49973b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:25, skipping insertion in model container [2024-11-22 12:02:25,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:25" (1/1) ... [2024-11-22 12:02:25,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:02:25,802 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.i[916,929] [2024-11-22 12:02:25,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:02:25,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:02:25,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-48.i[916,929] [2024-11-22 12:02:26,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:02:26,151 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:02:26,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26 WrapperNode [2024-11-22 12:02:26,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:02:26,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:02:26,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:02:26,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:02:26,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,251 INFO L138 Inliner]: procedures = 26, calls = 96, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 770 [2024-11-22 12:02:26,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:02:26,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:02:26,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:02:26,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:02:26,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,306 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 12:02:26,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:02:26,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:02:26,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:02:26,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:02:26,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (1/1) ... [2024-11-22 12:02:26,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:02:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:02:26,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 12:02:26,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 12:02:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:02:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:02:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:02:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 12:02:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:02:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:02:26,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:02:26,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:02:27,478 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-22 12:02:27,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:02:27,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:02:27,498 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:02:27,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:27 BoogieIcfgContainer [2024-11-22 12:02:27,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:02:27,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:02:27,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:02:27,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:02:27,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:02:25" (1/3) ... [2024-11-22 12:02:27,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d63784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:02:27, skipping insertion in model container [2024-11-22 12:02:27,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:26" (2/3) ... [2024-11-22 12:02:27,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d63784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:02:27, skipping insertion in model container [2024-11-22 12:02:27,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:27" (3/3) ... [2024-11-22 12:02:27,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-48.i [2024-11-22 12:02:27,522 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:02:27,522 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:02:27,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:02:27,609 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;@7b251a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:02:27,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:02:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 307 states, 221 states have (on average 1.5384615384615385) internal successors, (340), 222 states have internal predecessors, (340), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-22 12:02:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2024-11-22 12:02:27,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:27,654 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:27,654 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:27,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash 80341717, now seen corresponding path program 1 times [2024-11-22 12:02:27,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:27,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092521823] [2024-11-22 12:02:27,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:27,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:28,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:28,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092521823] [2024-11-22 12:02:28,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092521823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:28,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:28,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:02:28,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494306433] [2024-11-22 12:02:28,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:28,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:02:28,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:28,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:02:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:28,616 INFO L87 Difference]: Start difference. First operand has 307 states, 221 states have (on average 1.5384615384615385) internal successors, (340), 222 states have internal predecessors, (340), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:28,822 INFO L93 Difference]: Finished difference Result 897 states and 1652 transitions. [2024-11-22 12:02:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:02:28,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 544 [2024-11-22 12:02:28,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:28,843 INFO L225 Difference]: With dead ends: 897 [2024-11-22 12:02:28,844 INFO L226 Difference]: Without dead ends: 593 [2024-11-22 12:02:28,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:28,854 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 454 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:28,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1326 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 12:02:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-22 12:02:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 358. [2024-11-22 12:02:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 273 states have (on average 1.5494505494505495) internal successors, (423), 273 states have internal predecessors, (423), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-22 12:02:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 589 transitions. [2024-11-22 12:02:28,949 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 589 transitions. Word has length 544 [2024-11-22 12:02:28,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:28,953 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 589 transitions. [2024-11-22 12:02:28,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 589 transitions. [2024-11-22 12:02:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-22 12:02:28,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:28,963 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:28,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 12:02:28,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:28,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash -441026700, now seen corresponding path program 1 times [2024-11-22 12:02:28,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:28,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456878997] [2024-11-22 12:02:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:28,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:29,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:29,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456878997] [2024-11-22 12:02:29,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456878997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:29,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:29,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:02:29,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925744723] [2024-11-22 12:02:29,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:29,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:02:29,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:29,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:02:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:29,393 INFO L87 Difference]: Start difference. First operand 358 states and 589 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:29,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:29,469 INFO L93 Difference]: Finished difference Result 991 states and 1633 transitions. [2024-11-22 12:02:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:02:29,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 545 [2024-11-22 12:02:29,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:29,476 INFO L225 Difference]: With dead ends: 991 [2024-11-22 12:02:29,476 INFO L226 Difference]: Without dead ends: 636 [2024-11-22 12:02:29,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:29,479 INFO L432 NwaCegarLoop]: 762 mSDtfsCounter, 334 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:29,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1246 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:02:29,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-22 12:02:29,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 633. [2024-11-22 12:02:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 506 states have (on average 1.5711462450592886) internal successors, (795), 507 states have internal predecessors, (795), 124 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-22 12:02:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1043 transitions. [2024-11-22 12:02:29,518 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1043 transitions. Word has length 545 [2024-11-22 12:02:29,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:29,521 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 1043 transitions. [2024-11-22 12:02:29,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1043 transitions. [2024-11-22 12:02:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-22 12:02:29,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:29,529 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:29,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 12:02:29,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:29,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:29,531 INFO L85 PathProgramCache]: Analyzing trace with hash -364125902, now seen corresponding path program 1 times [2024-11-22 12:02:29,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:29,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57675179] [2024-11-22 12:02:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:29,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:29,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57675179] [2024-11-22 12:02:29,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57675179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:29,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:29,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:02:29,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759270490] [2024-11-22 12:02:29,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:29,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:02:29,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:29,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:02:29,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:29,866 INFO L87 Difference]: Start difference. First operand 633 states and 1043 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:29,967 INFO L93 Difference]: Finished difference Result 1263 states and 2083 transitions. [2024-11-22 12:02:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:02:29,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 545 [2024-11-22 12:02:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:29,973 INFO L225 Difference]: With dead ends: 1263 [2024-11-22 12:02:29,973 INFO L226 Difference]: Without dead ends: 633 [2024-11-22 12:02:29,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:29,975 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 317 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:29,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 454 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 12:02:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-22 12:02:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2024-11-22 12:02:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 506 states have (on average 1.5632411067193677) internal successors, (791), 507 states have internal predecessors, (791), 124 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-22 12:02:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1039 transitions. [2024-11-22 12:02:30,032 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1039 transitions. Word has length 545 [2024-11-22 12:02:30,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:30,033 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 1039 transitions. [2024-11-22 12:02:30,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1039 transitions. [2024-11-22 12:02:30,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-22 12:02:30,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:30,040 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:30,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 12:02:30,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:30,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:30,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1569015205, now seen corresponding path program 1 times [2024-11-22 12:02:30,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:30,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937699249] [2024-11-22 12:02:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:30,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:30,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937699249] [2024-11-22 12:02:30,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937699249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:30,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:30,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:02:30,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702535031] [2024-11-22 12:02:30,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:30,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:02:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:02:30,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:30,267 INFO L87 Difference]: Start difference. First operand 633 states and 1039 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:30,369 INFO L93 Difference]: Finished difference Result 1712 states and 2797 transitions. [2024-11-22 12:02:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:02:30,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 546 [2024-11-22 12:02:30,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:30,376 INFO L225 Difference]: With dead ends: 1712 [2024-11-22 12:02:30,376 INFO L226 Difference]: Without dead ends: 1082 [2024-11-22 12:02:30,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:30,379 INFO L432 NwaCegarLoop]: 811 mSDtfsCounter, 408 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:30,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1247 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 12:02:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-22 12:02:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 807. [2024-11-22 12:02:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 680 states have (on average 1.575) internal successors, (1071), 681 states have internal predecessors, (1071), 124 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-22 12:02:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1319 transitions. [2024-11-22 12:02:30,427 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1319 transitions. Word has length 546 [2024-11-22 12:02:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:30,428 INFO L471 AbstractCegarLoop]: Abstraction has 807 states and 1319 transitions. [2024-11-22 12:02:30,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1319 transitions. [2024-11-22 12:02:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2024-11-22 12:02:30,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:30,436 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:30,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 12:02:30,436 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:30,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash 392875231, now seen corresponding path program 1 times [2024-11-22 12:02:30,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:30,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621110994] [2024-11-22 12:02:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621110994] [2024-11-22 12:02:31,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621110994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:31,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:31,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 12:02:31,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441545908] [2024-11-22 12:02:31,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:31,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 12:02:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 12:02:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 12:02:31,326 INFO L87 Difference]: Start difference. First operand 807 states and 1319 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:31,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:31,849 INFO L93 Difference]: Finished difference Result 1617 states and 2645 transitions. [2024-11-22 12:02:31,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 12:02:31,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 547 [2024-11-22 12:02:31,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:31,854 INFO L225 Difference]: With dead ends: 1617 [2024-11-22 12:02:31,854 INFO L226 Difference]: Without dead ends: 813 [2024-11-22 12:02:31,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 12:02:31,858 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 806 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:31,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 1110 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 12:02:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-22 12:02:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 811. [2024-11-22 12:02:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 684 states have (on average 1.5716374269005848) internal successors, (1075), 685 states have internal predecessors, (1075), 124 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-22 12:02:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1323 transitions. [2024-11-22 12:02:31,897 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1323 transitions. Word has length 547 [2024-11-22 12:02:31,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:31,898 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1323 transitions. [2024-11-22 12:02:31,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1323 transitions. [2024-11-22 12:02:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-22 12:02:31,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:31,902 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:31,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 12:02:31,903 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:31,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:31,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1612415553, now seen corresponding path program 1 times [2024-11-22 12:02:31,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:31,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947712476] [2024-11-22 12:02:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947712476] [2024-11-22 12:02:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947712476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:32,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:32,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 12:02:32,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467419458] [2024-11-22 12:02:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:32,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 12:02:32,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 12:02:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 12:02:32,367 INFO L87 Difference]: Start difference. First operand 811 states and 1323 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:32,751 INFO L93 Difference]: Finished difference Result 2361 states and 3857 transitions. [2024-11-22 12:02:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 12:02:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 548 [2024-11-22 12:02:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:32,758 INFO L225 Difference]: With dead ends: 2361 [2024-11-22 12:02:32,758 INFO L226 Difference]: Without dead ends: 1553 [2024-11-22 12:02:32,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 12:02:32,761 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 322 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:32,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1754 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 12:02:32,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2024-11-22 12:02:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 946. [2024-11-22 12:02:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 735 states have (on average 1.5319727891156463) internal successors, (1126), 736 states have internal predecessors, (1126), 207 states have call successors, (207), 3 states have call predecessors, (207), 3 states have return successors, (207), 206 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-22 12:02:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1540 transitions. [2024-11-22 12:02:32,840 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1540 transitions. Word has length 548 [2024-11-22 12:02:32,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:32,841 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1540 transitions. [2024-11-22 12:02:32,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1540 transitions. [2024-11-22 12:02:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-22 12:02:32,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:32,844 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:32,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 12:02:32,844 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:32,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:32,845 INFO L85 PathProgramCache]: Analyzing trace with hash -287559359, now seen corresponding path program 1 times [2024-11-22 12:02:32,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:32,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848793800] [2024-11-22 12:02:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:33,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:33,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848793800] [2024-11-22 12:02:33,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848793800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:33,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:33,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 12:02:33,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195200582] [2024-11-22 12:02:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:33,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 12:02:33,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:33,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 12:02:33,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:02:33,306 INFO L87 Difference]: Start difference. First operand 946 states and 1540 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:33,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:33,457 INFO L93 Difference]: Finished difference Result 2562 states and 4180 transitions. [2024-11-22 12:02:33,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 12:02:33,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 548 [2024-11-22 12:02:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:33,465 INFO L225 Difference]: With dead ends: 2562 [2024-11-22 12:02:33,465 INFO L226 Difference]: Without dead ends: 1754 [2024-11-22 12:02:33,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 12:02:33,467 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 283 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:33,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1400 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 12:02:33,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-22 12:02:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1736. [2024-11-22 12:02:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1399 states have (on average 1.544674767691208) internal successors, (2161), 1401 states have internal predecessors, (2161), 331 states have call successors, (331), 5 states have call predecessors, (331), 5 states have return successors, (331), 329 states have call predecessors, (331), 331 states have call successors, (331) [2024-11-22 12:02:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2823 transitions. [2024-11-22 12:02:33,563 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2823 transitions. Word has length 548 [2024-11-22 12:02:33,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:33,564 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2823 transitions. [2024-11-22 12:02:33,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2823 transitions. [2024-11-22 12:02:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-22 12:02:33,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:33,568 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:33,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 12:02:33,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:33,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:33,569 INFO L85 PathProgramCache]: Analyzing trace with hash -129385042, now seen corresponding path program 1 times [2024-11-22 12:02:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506664496] [2024-11-22 12:02:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:34,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506664496] [2024-11-22 12:02:34,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506664496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:34,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:34,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 12:02:34,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022070416] [2024-11-22 12:02:34,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:34,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 12:02:34,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:34,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 12:02:34,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 12:02:34,235 INFO L87 Difference]: Start difference. First operand 1736 states and 2823 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:34,631 INFO L93 Difference]: Finished difference Result 6116 states and 9964 transitions. [2024-11-22 12:02:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 12:02:34,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 549 [2024-11-22 12:02:34,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:34,650 INFO L225 Difference]: With dead ends: 6116 [2024-11-22 12:02:34,651 INFO L226 Difference]: Without dead ends: 4518 [2024-11-22 12:02:34,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 12:02:34,656 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 580 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:34,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 2416 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 12:02:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2024-11-22 12:02:34,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 3336. [2024-11-22 12:02:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 2747 states have (on average 1.5540589734255552) internal successors, (4269), 2751 states have internal predecessors, (4269), 579 states have call successors, (579), 9 states have call predecessors, (579), 9 states have return successors, (579), 575 states have call predecessors, (579), 579 states have call successors, (579) [2024-11-22 12:02:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 5427 transitions. [2024-11-22 12:02:34,923 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 5427 transitions. Word has length 549 [2024-11-22 12:02:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:34,924 INFO L471 AbstractCegarLoop]: Abstraction has 3336 states and 5427 transitions. [2024-11-22 12:02:34,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 5427 transitions. [2024-11-22 12:02:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-22 12:02:34,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:34,930 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:34,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 12:02:34,930 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:34,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash -102319440, now seen corresponding path program 1 times [2024-11-22 12:02:34,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:34,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510307415] [2024-11-22 12:02:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:34,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:36,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:36,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510307415] [2024-11-22 12:02:36,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510307415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:36,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:36,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 12:02:36,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491009673] [2024-11-22 12:02:36,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:36,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 12:02:36,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 12:02:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 12:02:36,290 INFO L87 Difference]: Start difference. First operand 3336 states and 5427 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:37,586 INFO L93 Difference]: Finished difference Result 13278 states and 21539 transitions. [2024-11-22 12:02:37,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 12:02:37,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 549 [2024-11-22 12:02:37,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:37,625 INFO L225 Difference]: With dead ends: 13278 [2024-11-22 12:02:37,625 INFO L226 Difference]: Without dead ends: 10080 [2024-11-22 12:02:37,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 12:02:37,636 INFO L432 NwaCegarLoop]: 866 mSDtfsCounter, 1556 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:37,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2382 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 12:02:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10080 states. [2024-11-22 12:02:38,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10080 to 6488. [2024-11-22 12:02:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6488 states, 5728 states have (on average 1.6024790502793296) internal successors, (9179), 5732 states have internal predecessors, (9179), 745 states have call successors, (745), 14 states have call predecessors, (745), 14 states have return successors, (745), 741 states have call predecessors, (745), 745 states have call successors, (745) [2024-11-22 12:02:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6488 states to 6488 states and 10669 transitions. [2024-11-22 12:02:38,167 INFO L78 Accepts]: Start accepts. Automaton has 6488 states and 10669 transitions. Word has length 549 [2024-11-22 12:02:38,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:38,168 INFO L471 AbstractCegarLoop]: Abstraction has 6488 states and 10669 transitions. [2024-11-22 12:02:38,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6488 states and 10669 transitions. [2024-11-22 12:02:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-22 12:02:38,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:38,183 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:38,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 12:02:38,183 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:38,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:38,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1788499278, now seen corresponding path program 1 times [2024-11-22 12:02:38,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:38,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105833534] [2024-11-22 12:02:38,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:38,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:39,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:39,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105833534] [2024-11-22 12:02:39,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105833534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:39,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:39,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 12:02:39,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139616796] [2024-11-22 12:02:39,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:39,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 12:02:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:39,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 12:02:39,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:02:39,510 INFO L87 Difference]: Start difference. First operand 6488 states and 10669 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:40,141 INFO L93 Difference]: Finished difference Result 21096 states and 34484 transitions. [2024-11-22 12:02:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 12:02:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 549 [2024-11-22 12:02:40,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:40,205 INFO L225 Difference]: With dead ends: 21096 [2024-11-22 12:02:40,205 INFO L226 Difference]: Without dead ends: 15316 [2024-11-22 12:02:40,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:02:40,223 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 741 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:40,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 1650 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 12:02:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15316 states. [2024-11-22 12:02:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15316 to 14534. [2024-11-22 12:02:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14534 states, 13268 states have (on average 1.5974525173349412) internal successors, (21195), 13282 states have internal predecessors, (21195), 1239 states have call successors, (1239), 26 states have call predecessors, (1239), 26 states have return successors, (1239), 1225 states have call predecessors, (1239), 1239 states have call successors, (1239) [2024-11-22 12:02:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14534 states to 14534 states and 23673 transitions. [2024-11-22 12:02:40,834 INFO L78 Accepts]: Start accepts. Automaton has 14534 states and 23673 transitions. Word has length 549 [2024-11-22 12:02:40,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:40,835 INFO L471 AbstractCegarLoop]: Abstraction has 14534 states and 23673 transitions. [2024-11-22 12:02:40,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 14534 states and 23673 transitions. [2024-11-22 12:02:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-22 12:02:40,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:40,850 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:40,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 12:02:40,851 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:40,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:40,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1548259532, now seen corresponding path program 1 times [2024-11-22 12:02:40,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:40,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104360087] [2024-11-22 12:02:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:40,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:41,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:41,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104360087] [2024-11-22 12:02:41,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104360087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:41,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:41,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:02:41,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920395605] [2024-11-22 12:02:41,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:41,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:02:41,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:41,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:02:41,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:41,043 INFO L87 Difference]: Start difference. First operand 14534 states and 23673 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:41,582 INFO L93 Difference]: Finished difference Result 26604 states and 43213 transitions. [2024-11-22 12:02:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:02:41,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 549 [2024-11-22 12:02:41,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:41,647 INFO L225 Difference]: With dead ends: 26604 [2024-11-22 12:02:41,648 INFO L226 Difference]: Without dead ends: 18296 [2024-11-22 12:02:41,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:02:41,668 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 417 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:41,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1277 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:02:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18296 states. [2024-11-22 12:02:42,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18296 to 18294. [2024-11-22 12:02:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18294 states, 16580 states have (on average 1.582086851628468) internal successors, (26231), 16600 states have internal predecessors, (26231), 1679 states have call successors, (1679), 34 states have call predecessors, (1679), 34 states have return successors, (1679), 1659 states have call predecessors, (1679), 1679 states have call successors, (1679) [2024-11-22 12:02:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18294 states to 18294 states and 29589 transitions. [2024-11-22 12:02:42,655 INFO L78 Accepts]: Start accepts. Automaton has 18294 states and 29589 transitions. Word has length 549 [2024-11-22 12:02:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:42,656 INFO L471 AbstractCegarLoop]: Abstraction has 18294 states and 29589 transitions. [2024-11-22 12:02:42,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 18294 states and 29589 transitions. [2024-11-22 12:02:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-22 12:02:42,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:42,674 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:42,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 12:02:42,675 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:42,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash 752563058, now seen corresponding path program 1 times [2024-11-22 12:02:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:42,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93333460] [2024-11-22 12:02:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:42,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13612 trivial. 0 not checked. [2024-11-22 12:02:43,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:43,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93333460] [2024-11-22 12:02:43,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93333460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:02:43,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:02:43,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 12:02:43,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902853661] [2024-11-22 12:02:43,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:02:43,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 12:02:43,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 12:02:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:02:43,802 INFO L87 Difference]: Start difference. First operand 18294 states and 29589 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:44,878 INFO L93 Difference]: Finished difference Result 44128 states and 71110 transitions. [2024-11-22 12:02:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 12:02:44,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 549 [2024-11-22 12:02:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:44,954 INFO L225 Difference]: With dead ends: 44128 [2024-11-22 12:02:44,954 INFO L226 Difference]: Without dead ends: 26722 [2024-11-22 12:02:44,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:02:44,994 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 665 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:44,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1382 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 12:02:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26722 states. [2024-11-22 12:02:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26722 to 17752. [2024-11-22 12:02:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17752 states, 16202 states have (on average 1.596531292433033) internal successors, (25867), 16218 states have internal predecessors, (25867), 1515 states have call successors, (1515), 34 states have call predecessors, (1515), 34 states have return successors, (1515), 1499 states have call predecessors, (1515), 1515 states have call successors, (1515) [2024-11-22 12:02:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17752 states to 17752 states and 28897 transitions. [2024-11-22 12:02:45,906 INFO L78 Accepts]: Start accepts. Automaton has 17752 states and 28897 transitions. Word has length 549 [2024-11-22 12:02:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:45,907 INFO L471 AbstractCegarLoop]: Abstraction has 17752 states and 28897 transitions. [2024-11-22 12:02:45,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2024-11-22 12:02:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 17752 states and 28897 transitions. [2024-11-22 12:02:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2024-11-22 12:02:45,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:45,917 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:45,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 12:02:45,917 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:45,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:45,918 INFO L85 PathProgramCache]: Analyzing trace with hash -857720330, now seen corresponding path program 1 times [2024-11-22 12:02:45,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:45,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310548698] [2024-11-22 12:02:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 117 proven. 129 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-22 12:02:48,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:48,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310548698] [2024-11-22 12:02:48,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310548698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:02:48,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729839455] [2024-11-22 12:02:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:48,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:02:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:02:48,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 12:02:48,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 12:02:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:48,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 12:02:48,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:02:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 6868 proven. 129 refuted. 0 times theorem prover too weak. 6615 trivial. 0 not checked. [2024-11-22 12:02:49,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 12:02:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 117 proven. 129 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-22 12:02:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729839455] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 12:02:49,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 12:02:49,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-22 12:02:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278636233] [2024-11-22 12:02:49,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 12:02:49,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 12:02:49,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:49,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 12:02:49,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-22 12:02:49,737 INFO L87 Difference]: Start difference. First operand 17752 states and 28897 transitions. Second operand has 9 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 3 states have call successors, (169), 2 states have call predecessors, (169), 4 states have return successors, (170), 3 states have call predecessors, (170), 3 states have call successors, (170) [2024-11-22 12:02:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:51,570 INFO L93 Difference]: Finished difference Result 48824 states and 79499 transitions. [2024-11-22 12:02:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 12:02:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 3 states have call successors, (169), 2 states have call predecessors, (169), 4 states have return successors, (170), 3 states have call predecessors, (170), 3 states have call successors, (170) Word has length 550 [2024-11-22 12:02:51,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:02:51,704 INFO L225 Difference]: With dead ends: 48824 [2024-11-22 12:02:51,708 INFO L226 Difference]: Without dead ends: 31522 [2024-11-22 12:02:51,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 1097 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-22 12:02:51,755 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 2000 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:02:51,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 1237 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 12:02:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31522 states. [2024-11-22 12:02:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31522 to 31462. [2024-11-22 12:02:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31462 states, 28926 states have (on average 1.5859434418861924) internal successors, (45875), 28966 states have internal predecessors, (45875), 2451 states have call successors, (2451), 84 states have call predecessors, (2451), 84 states have return successors, (2451), 2411 states have call predecessors, (2451), 2451 states have call successors, (2451) [2024-11-22 12:02:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31462 states to 31462 states and 50777 transitions. [2024-11-22 12:02:52,878 INFO L78 Accepts]: Start accepts. Automaton has 31462 states and 50777 transitions. Word has length 550 [2024-11-22 12:02:52,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:02:52,879 INFO L471 AbstractCegarLoop]: Abstraction has 31462 states and 50777 transitions. [2024-11-22 12:02:52,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 3 states have call successors, (169), 2 states have call predecessors, (169), 4 states have return successors, (170), 3 states have call predecessors, (170), 3 states have call successors, (170) [2024-11-22 12:02:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 31462 states and 50777 transitions. [2024-11-22 12:02:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2024-11-22 12:02:52,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:02:52,894 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:02:52,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 12:02:53,097 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,SelfDestructingSolverStorable12 [2024-11-22 12:02:53,098 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:02:53,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:02:53,099 INFO L85 PathProgramCache]: Analyzing trace with hash -925322120, now seen corresponding path program 1 times [2024-11-22 12:02:53,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:02:53,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993673316] [2024-11-22 12:02:53,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:53,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:02:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 111 proven. 135 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-22 12:02:54,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:02:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993673316] [2024-11-22 12:02:54,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993673316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:02:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664952526] [2024-11-22 12:02:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:02:54,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:02:54,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:02:54,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 12:02:54,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 12:02:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:02:55,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 12:02:55,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:02:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 8947 proven. 99 refuted. 0 times theorem prover too weak. 4566 trivial. 0 not checked. [2024-11-22 12:02:55,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 12:02:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 147 proven. 99 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-22 12:02:56,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664952526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 12:02:56,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 12:02:56,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-11-22 12:02:56,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407565853] [2024-11-22 12:02:56,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 12:02:56,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 12:02:56,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:02:56,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 12:02:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-22 12:02:56,230 INFO L87 Difference]: Start difference. First operand 31462 states and 50777 transitions. Second operand has 18 states, 17 states have (on average 17.88235294117647) internal successors, (304), 18 states have internal predecessors, (304), 8 states have call successors, (230), 3 states have call predecessors, (230), 6 states have return successors, (230), 7 states have call predecessors, (230), 8 states have call successors, (230) [2024-11-22 12:02:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:02:59,711 INFO L93 Difference]: Finished difference Result 92780 states and 149419 transitions. [2024-11-22 12:02:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 12:02:59,712 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 17.88235294117647) internal successors, (304), 18 states have internal predecessors, (304), 8 states have call successors, (230), 3 states have call predecessors, (230), 6 states have return successors, (230), 7 states have call predecessors, (230), 8 states have call successors, (230) Word has length 550 [2024-11-22 12:02:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:03:00,059 INFO L225 Difference]: With dead ends: 92780 [2024-11-22 12:03:00,059 INFO L226 Difference]: Without dead ends: 61712 [2024-11-22 12:03:00,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1093 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=280, Invalid=842, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 12:03:00,088 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 3207 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 2764 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 12:03:00,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 2764 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 12:03:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61712 states. [2024-11-22 12:03:02,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61712 to 61644. [2024-11-22 12:03:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61644 states, 56578 states have (on average 1.564866202410831) internal successors, (88537), 56658 states have internal predecessors, (88537), 4819 states have call successors, (4819), 246 states have call predecessors, (4819), 246 states have return successors, (4819), 4739 states have call predecessors, (4819), 4819 states have call successors, (4819) [2024-11-22 12:03:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61644 states to 61644 states and 98175 transitions. [2024-11-22 12:03:02,419 INFO L78 Accepts]: Start accepts. Automaton has 61644 states and 98175 transitions. Word has length 550 [2024-11-22 12:03:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:03:02,424 INFO L471 AbstractCegarLoop]: Abstraction has 61644 states and 98175 transitions. [2024-11-22 12:03:02,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 17.88235294117647) internal successors, (304), 18 states have internal predecessors, (304), 8 states have call successors, (230), 3 states have call predecessors, (230), 6 states have return successors, (230), 7 states have call predecessors, (230), 8 states have call successors, (230) [2024-11-22 12:03:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 61644 states and 98175 transitions. [2024-11-22 12:03:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2024-11-22 12:03:02,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:03:02,452 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:03:02,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 12:03:02,653 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,SelfDestructingSolverStorable13 [2024-11-22 12:03:02,653 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:03:02,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:03:02,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1805858580, now seen corresponding path program 1 times [2024-11-22 12:03:02,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:03:02,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852972772] [2024-11-22 12:03:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:03:02,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:03:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 12:03:04,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383892993] [2024-11-22 12:03:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:03:04,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:03:04,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:03:04,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 12:03:04,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 12:03:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:03:05,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 12:03:05,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:03:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 5406 proven. 417 refuted. 0 times theorem prover too weak. 7789 trivial. 0 not checked. [2024-11-22 12:03:07,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 12:03:22,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:03:22,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852972772] [2024-11-22 12:03:22,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 12:03:22,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383892993] [2024-11-22 12:03:22,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383892993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:03:22,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 12:03:22,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 12:03:22,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106899788] [2024-11-22 12:03:22,749 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 12:03:22,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 12:03:22,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:03:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 12:03:22,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=215, Unknown=3, NotChecked=0, Total=272 [2024-11-22 12:03:22,751 INFO L87 Difference]: Start difference. First operand 61644 states and 98175 transitions. Second operand has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 11 states have internal predecessors, (152), 3 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2024-11-22 12:03:35,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:03:35,719 INFO L93 Difference]: Finished difference Result 143424 states and 228109 transitions. [2024-11-22 12:03:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 12:03:35,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 11 states have internal predecessors, (152), 3 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 552 [2024-11-22 12:03:35,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:03:35,911 INFO L225 Difference]: With dead ends: 143424 [2024-11-22 12:03:35,911 INFO L226 Difference]: Without dead ends: 82836 [2024-11-22 12:03:35,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=219, Invalid=900, Unknown=3, NotChecked=0, Total=1122 [2024-11-22 12:03:35,973 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 1655 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-22 12:03:35,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 2351 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-22 12:03:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82836 states. [2024-11-22 12:03:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82836 to 82124. [2024-11-22 12:03:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82124 states, 75856 states have (on average 1.5614717359206918) internal successors, (118447), 75984 states have internal predecessors, (118447), 5827 states have call successors, (5827), 440 states have call predecessors, (5827), 440 states have return successors, (5827), 5699 states have call predecessors, (5827), 5827 states have call successors, (5827) [2024-11-22 12:03:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82124 states to 82124 states and 130101 transitions. [2024-11-22 12:03:39,048 INFO L78 Accepts]: Start accepts. Automaton has 82124 states and 130101 transitions. Word has length 552 [2024-11-22 12:03:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:03:39,053 INFO L471 AbstractCegarLoop]: Abstraction has 82124 states and 130101 transitions. [2024-11-22 12:03:39,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 11 states have internal predecessors, (152), 3 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2024-11-22 12:03:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 82124 states and 130101 transitions. [2024-11-22 12:03:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2024-11-22 12:03:39,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:03:39,080 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:03:39,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 12:03:39,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:03:39,285 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:03:39,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:03:39,285 INFO L85 PathProgramCache]: Analyzing trace with hash 628669401, now seen corresponding path program 1 times [2024-11-22 12:03:39,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:03:39,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922668718] [2024-11-22 12:03:39,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:03:39,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:03:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 12:03:40,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209917634] [2024-11-22 12:03:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:03:40,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:03:40,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:03:40,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 12:03:40,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 12:03:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:03:41,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-22 12:03:41,546 INFO L278 TraceCheckSpWp]: Computing forward predicates...