./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-62.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 4f8957d243f60f3b1c8dd5ae8036bb47a7344420b54bde3f58916ec11256e152 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 00:05:41,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 00:05:41,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 00:05:41,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 00:05:41,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 00:05:41,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 00:05:41,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 00:05:41,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 00:05:41,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 00:05:41,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 00:05:41,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 00:05:41,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 00:05:41,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 00:05:41,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 00:05:41,140 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 00:05:41,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 00:05:41,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 00:05:41,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 00:05:41,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 00:05:41,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 00:05:41,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 00:05:41,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 00:05:41,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 00:05:41,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 00:05:41,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 00:05:41,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 00:05:41,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 00:05:41,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 00:05:41,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 00:05:41,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 00:05:41,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 00:05:41,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 00:05:41,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:05:41,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 00:05:41,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 00:05:41,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 00:05:41,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 00:05:41,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 00:05:41,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 00:05:41,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 00:05:41,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 00:05:41,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 00:05:41,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f8957d243f60f3b1c8dd5ae8036bb47a7344420b54bde3f58916ec11256e152 [2024-11-19 00:05:41,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 00:05:41,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 00:05:41,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 00:05:41,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 00:05:41,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 00:05:41,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-62.i [2024-11-19 00:05:42,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 00:05:43,223 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 00:05:43,224 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-62.i [2024-11-19 00:05:43,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f999fa6/dc6f58749a8a48cc8cb6fc556d9b8370/FLAG5d14678f9 [2024-11-19 00:05:43,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f999fa6/dc6f58749a8a48cc8cb6fc556d9b8370 [2024-11-19 00:05:43,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 00:05:43,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 00:05:43,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 00:05:43,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 00:05:43,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 00:05:43,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:05:43" (1/1) ... [2024-11-19 00:05:43,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9044845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:43, skipping insertion in model container [2024-11-19 00:05:43,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:05:43" (1/1) ... [2024-11-19 00:05:43,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 00:05:43,586 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-62.i[916,929] [2024-11-19 00:05:43,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:05:43,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 00:05:43,955 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-62.i[916,929] [2024-11-19 00:05:44,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:05:44,135 INFO L204 MainTranslator]: Completed translation [2024-11-19 00:05:44,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44 WrapperNode [2024-11-19 00:05:44,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 00:05:44,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 00:05:44,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 00:05:44,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 00:05:44,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,289 INFO L138 Inliner]: procedures = 26, calls = 99, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 878 [2024-11-19 00:05:44,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 00:05:44,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 00:05:44,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 00:05:44,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 00:05:44,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,451 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]. [2024-11-19 00:05:44,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 00:05:44,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 00:05:44,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 00:05:44,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 00:05:44,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (1/1) ... [2024-11-19 00:05:44,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:05:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:05:44,723 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) [2024-11-19 00:05:44,727 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 [2024-11-19 00:05:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 00:05:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 00:05:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 00:05:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 00:05:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 00:05:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 00:05:44,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 00:05:44,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 00:05:46,426 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-19 00:05:46,427 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 00:05:46,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 00:05:46,455 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 00:05:46,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:05:46 BoogieIcfgContainer [2024-11-19 00:05:46,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 00:05:46,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 00:05:46,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 00:05:46,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 00:05:46,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:05:43" (1/3) ... [2024-11-19 00:05:46,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa1530c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:05:46, skipping insertion in model container [2024-11-19 00:05:46,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:05:44" (2/3) ... [2024-11-19 00:05:46,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa1530c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:05:46, skipping insertion in model container [2024-11-19 00:05:46,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:05:46" (3/3) ... [2024-11-19 00:05:46,469 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-62.i [2024-11-19 00:05:46,486 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 00:05:46,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 00:05:46,564 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 00:05:46,573 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;@15ac2101, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 00:05:46,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 00:05:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 258 states have (on average 1.5310077519379846) internal successors, (395), 259 states have internal predecessors, (395), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 00:05:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:46,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:46,630 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:46,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:46,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash -30725360, now seen corresponding path program 1 times [2024-11-19 00:05:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:46,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119888022] [2024-11-19 00:05:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 14450 trivial. 0 not checked. [2024-11-19 00:05:47,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:47,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119888022] [2024-11-19 00:05:47,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119888022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:05:47,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677664425] [2024-11-19 00:05:47,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:05:47,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:05:47,433 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) [2024-11-19 00:05:47,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 00:05:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:47,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 00:05:47,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:05:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 14450 trivial. 0 not checked. [2024-11-19 00:05:48,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:05:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677664425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:48,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 00:05:48,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 00:05:48,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789267104] [2024-11-19 00:05:48,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:48,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 00:05:48,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:48,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 00:05:48,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:05:48,126 INFO L87 Difference]: Start difference. First operand has 347 states, 258 states have (on average 1.5310077519379846) internal successors, (395), 259 states have internal predecessors, (395), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:48,218 INFO L93 Difference]: Finished difference Result 687 states and 1214 transitions. [2024-11-19 00:05:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 00:05:48,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) Word has length 575 [2024-11-19 00:05:48,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:48,240 INFO L225 Difference]: With dead ends: 687 [2024-11-19 00:05:48,241 INFO L226 Difference]: Without dead ends: 343 [2024-11-19 00:05:48,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:05:48,255 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:48,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:05:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-19 00:05:48,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-19 00:05:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 255 states have (on average 1.5215686274509803) internal successors, (388), 255 states have internal predecessors, (388), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 00:05:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 560 transitions. [2024-11-19 00:05:48,423 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 560 transitions. Word has length 575 [2024-11-19 00:05:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:48,424 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 560 transitions. [2024-11-19 00:05:48,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.0) internal successors, (150), 2 states have internal predecessors, (150), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 560 transitions. [2024-11-19 00:05:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:48,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:48,443 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:48,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 00:05:48,647 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,SelfDestructingSolverStorable0 [2024-11-19 00:05:48,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:48,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:48,651 INFO L85 PathProgramCache]: Analyzing trace with hash -300849864, now seen corresponding path program 1 times [2024-11-19 00:05:48,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:48,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660638586] [2024-11-19 00:05:48,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:48,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:49,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:49,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660638586] [2024-11-19 00:05:49,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660638586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:49,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:49,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:05:49,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616818609] [2024-11-19 00:05:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:49,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:05:49,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:49,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:05:49,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:05:49,377 INFO L87 Difference]: Start difference. First operand 343 states and 560 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:49,451 INFO L93 Difference]: Finished difference Result 843 states and 1380 transitions. [2024-11-19 00:05:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:05:49,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 575 [2024-11-19 00:05:49,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:49,459 INFO L225 Difference]: With dead ends: 843 [2024-11-19 00:05:49,459 INFO L226 Difference]: Without dead ends: 503 [2024-11-19 00:05:49,461 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 [2024-11-19 00:05:49,464 INFO L432 NwaCegarLoop]: 811 mSDtfsCounter, 275 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:49,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1344 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:05:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-19 00:05:49,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 482. [2024-11-19 00:05:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 394 states have (on average 1.5761421319796953) internal successors, (621), 394 states have internal predecessors, (621), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 00:05:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 793 transitions. [2024-11-19 00:05:49,524 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 793 transitions. Word has length 575 [2024-11-19 00:05:49,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:49,530 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 793 transitions. [2024-11-19 00:05:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 793 transitions. [2024-11-19 00:05:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:49,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:49,543 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:49,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 00:05:49,544 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:49,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:49,545 INFO L85 PathProgramCache]: Analyzing trace with hash -60610118, now seen corresponding path program 1 times [2024-11-19 00:05:49,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:49,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754818633] [2024-11-19 00:05:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:50,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:50,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754818633] [2024-11-19 00:05:50,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754818633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:50,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:50,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:05:50,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448633993] [2024-11-19 00:05:50,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:50,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:05:50,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:50,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:05:50,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:05:50,084 INFO L87 Difference]: Start difference. First operand 482 states and 793 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:50,243 INFO L93 Difference]: Finished difference Result 1325 states and 2181 transitions. [2024-11-19 00:05:50,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:05:50,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 575 [2024-11-19 00:05:50,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:50,256 INFO L225 Difference]: With dead ends: 1325 [2024-11-19 00:05:50,258 INFO L226 Difference]: Without dead ends: 846 [2024-11-19 00:05:50,262 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 [2024-11-19 00:05:50,264 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 352 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:50,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:05:50,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-19 00:05:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 843. [2024-11-19 00:05:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 726 states have (on average 1.5826446280991735) internal successors, (1149), 727 states have internal predecessors, (1149), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-19 00:05:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1377 transitions. [2024-11-19 00:05:50,337 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1377 transitions. Word has length 575 [2024-11-19 00:05:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:50,342 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1377 transitions. [2024-11-19 00:05:50,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1377 transitions. [2024-11-19 00:05:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:50,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:50,358 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:50,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 00:05:50,359 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:50,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash 318726070, now seen corresponding path program 1 times [2024-11-19 00:05:50,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:50,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760423631] [2024-11-19 00:05:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:50,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760423631] [2024-11-19 00:05:50,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760423631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:50,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:05:50,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120052720] [2024-11-19 00:05:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:50,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:05:50,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:50,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:05:50,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:05:50,731 INFO L87 Difference]: Start difference. First operand 843 states and 1377 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:50,830 INFO L93 Difference]: Finished difference Result 2273 states and 3704 transitions. [2024-11-19 00:05:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:05:50,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 575 [2024-11-19 00:05:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:50,848 INFO L225 Difference]: With dead ends: 2273 [2024-11-19 00:05:50,848 INFO L226 Difference]: Without dead ends: 1433 [2024-11-19 00:05:50,851 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 [2024-11-19 00:05:50,852 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 301 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:50,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1203 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:05:50,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2024-11-19 00:05:50,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1429. [2024-11-19 00:05:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1272 states have (on average 1.5841194968553458) internal successors, (2015), 1275 states have internal predecessors, (2015), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 149 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-19 00:05:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2319 transitions. [2024-11-19 00:05:50,938 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2319 transitions. Word has length 575 [2024-11-19 00:05:50,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:50,940 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2319 transitions. [2024-11-19 00:05:50,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2319 transitions. [2024-11-19 00:05:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:50,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:50,952 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:50,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 00:05:50,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:50,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:50,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1254524680, now seen corresponding path program 1 times [2024-11-19 00:05:50,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:50,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059854011] [2024-11-19 00:05:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:51,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:51,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059854011] [2024-11-19 00:05:51,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059854011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:51,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:51,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:05:51,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585176792] [2024-11-19 00:05:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:51,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:05:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:51,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:05:51,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:05:51,308 INFO L87 Difference]: Start difference. First operand 1429 states and 2319 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:51,395 INFO L93 Difference]: Finished difference Result 2855 states and 4635 transitions. [2024-11-19 00:05:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:05:51,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 575 [2024-11-19 00:05:51,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:51,407 INFO L225 Difference]: With dead ends: 2855 [2024-11-19 00:05:51,407 INFO L226 Difference]: Without dead ends: 1429 [2024-11-19 00:05:51,411 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 [2024-11-19 00:05:51,412 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 455 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:51,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 541 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:05:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-19 00:05:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1429. [2024-11-19 00:05:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1272 states have (on average 1.5778301886792452) internal successors, (2007), 1275 states have internal predecessors, (2007), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 149 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-19 00:05:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2311 transitions. [2024-11-19 00:05:51,480 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2311 transitions. Word has length 575 [2024-11-19 00:05:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:51,481 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2311 transitions. [2024-11-19 00:05:51,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2311 transitions. [2024-11-19 00:05:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:51,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:51,494 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:51,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 00:05:51,495 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:51,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:51,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2143049338, now seen corresponding path program 1 times [2024-11-19 00:05:51,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:51,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176817354] [2024-11-19 00:05:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:54,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:54,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176817354] [2024-11-19 00:05:54,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176817354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:54,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:54,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 00:05:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934116423] [2024-11-19 00:05:54,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:54,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 00:05:54,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:54,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 00:05:54,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 00:05:54,501 INFO L87 Difference]: Start difference. First operand 1429 states and 2311 transitions. Second operand has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:57,148 INFO L93 Difference]: Finished difference Result 5723 states and 9259 transitions. [2024-11-19 00:05:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 00:05:57,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 575 [2024-11-19 00:05:57,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:57,168 INFO L225 Difference]: With dead ends: 5723 [2024-11-19 00:05:57,169 INFO L226 Difference]: Without dead ends: 4297 [2024-11-19 00:05:57,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-19 00:05:57,178 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 1788 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:57,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 2907 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 00:05:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2024-11-19 00:05:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2079. [2024-11-19 00:05:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 1921 states have (on average 1.6147839666840187) internal successors, (3102), 1924 states have internal predecessors, (3102), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 149 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-19 00:05:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 3406 transitions. [2024-11-19 00:05:57,292 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 3406 transitions. Word has length 575 [2024-11-19 00:05:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:57,293 INFO L471 AbstractCegarLoop]: Abstraction has 2079 states and 3406 transitions. [2024-11-19 00:05:57,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:05:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 3406 transitions. [2024-11-19 00:05:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2024-11-19 00:05:57,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:57,300 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:57,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 00:05:57,301 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:57,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:57,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1933063240, now seen corresponding path program 1 times [2024-11-19 00:05:57,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:57,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900957210] [2024-11-19 00:05:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:57,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:57,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900957210] [2024-11-19 00:05:57,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900957210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:57,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:57,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 00:05:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590615494] [2024-11-19 00:05:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:57,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 00:05:57,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:57,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 00:05:57,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:05:57,997 INFO L87 Difference]: Start difference. First operand 2079 states and 3406 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:05:58,506 INFO L93 Difference]: Finished difference Result 7313 states and 11981 transitions. [2024-11-19 00:05:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 00:05:58,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 575 [2024-11-19 00:05:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:05:58,529 INFO L225 Difference]: With dead ends: 7313 [2024-11-19 00:05:58,529 INFO L226 Difference]: Without dead ends: 5237 [2024-11-19 00:05:58,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 00:05:58,536 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 695 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:05:58,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 2556 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 00:05:58,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5237 states. [2024-11-19 00:05:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5237 to 4989. [2024-11-19 00:05:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4989 states, 4674 states have (on average 1.6123234916559692) internal successors, (7536), 4680 states have internal predecessors, (7536), 304 states have call successors, (304), 10 states have call predecessors, (304), 10 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2024-11-19 00:05:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 8144 transitions. [2024-11-19 00:05:58,737 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 8144 transitions. Word has length 575 [2024-11-19 00:05:58,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:05:58,738 INFO L471 AbstractCegarLoop]: Abstraction has 4989 states and 8144 transitions. [2024-11-19 00:05:58,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:05:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 8144 transitions. [2024-11-19 00:05:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2024-11-19 00:05:58,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:05:58,748 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:05:58,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 00:05:58,749 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:05:58,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:05:58,749 INFO L85 PathProgramCache]: Analyzing trace with hash 228626860, now seen corresponding path program 1 times [2024-11-19 00:05:58,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:05:58,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255802938] [2024-11-19 00:05:58,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:05:58,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:05:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:05:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:05:59,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:05:59,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255802938] [2024-11-19 00:05:59,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255802938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:05:59,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:05:59,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:05:59,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855574930] [2024-11-19 00:05:59,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:05:59,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:05:59,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:05:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:05:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:05:59,540 INFO L87 Difference]: Start difference. First operand 4989 states and 8144 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:00,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:00,122 INFO L93 Difference]: Finished difference Result 13011 states and 21200 transitions. [2024-11-19 00:06:00,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:06:00,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 576 [2024-11-19 00:06:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:00,161 INFO L225 Difference]: With dead ends: 13011 [2024-11-19 00:06:00,162 INFO L226 Difference]: Without dead ends: 8025 [2024-11-19 00:06:00,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:06:00,178 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 456 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:00,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1632 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 00:06:00,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8025 states. [2024-11-19 00:06:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8025 to 7551. [2024-11-19 00:06:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7551 states, 7147 states have (on average 1.6188610605848608) internal successors, (11570), 7153 states have internal predecessors, (11570), 390 states have call successors, (390), 13 states have call predecessors, (390), 13 states have return successors, (390), 384 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-19 00:06:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7551 states to 7551 states and 12350 transitions. [2024-11-19 00:06:00,498 INFO L78 Accepts]: Start accepts. Automaton has 7551 states and 12350 transitions. Word has length 576 [2024-11-19 00:06:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:00,499 INFO L471 AbstractCegarLoop]: Abstraction has 7551 states and 12350 transitions. [2024-11-19 00:06:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 7551 states and 12350 transitions. [2024-11-19 00:06:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2024-11-19 00:06:00,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:00,509 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:00,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 00:06:00,509 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:00,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:00,510 INFO L85 PathProgramCache]: Analyzing trace with hash -589247316, now seen corresponding path program 1 times [2024-11-19 00:06:00,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:00,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806546358] [2024-11-19 00:06:00,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806546358] [2024-11-19 00:06:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806546358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:06:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356084292] [2024-11-19 00:06:01,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:01,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:06:01,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:01,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:06:01,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:06:01,246 INFO L87 Difference]: Start difference. First operand 7551 states and 12350 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:01,480 INFO L93 Difference]: Finished difference Result 20983 states and 34331 transitions. [2024-11-19 00:06:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:06:01,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 577 [2024-11-19 00:06:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:01,539 INFO L225 Difference]: With dead ends: 20983 [2024-11-19 00:06:01,540 INFO L226 Difference]: Without dead ends: 13693 [2024-11-19 00:06:01,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:06:01,561 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 394 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:01,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1218 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:06:01,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13693 states. [2024-11-19 00:06:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13693 to 13691. [2024-11-19 00:06:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13691 states, 12973 states have (on average 1.6014029137439296) internal successors, (20775), 12985 states have internal predecessors, (20775), 694 states have call successors, (694), 23 states have call predecessors, (694), 23 states have return successors, (694), 682 states have call predecessors, (694), 694 states have call successors, (694) [2024-11-19 00:06:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13691 states to 13691 states and 22163 transitions. [2024-11-19 00:06:02,121 INFO L78 Accepts]: Start accepts. Automaton has 13691 states and 22163 transitions. Word has length 577 [2024-11-19 00:06:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:02,122 INFO L471 AbstractCegarLoop]: Abstraction has 13691 states and 22163 transitions. [2024-11-19 00:06:02,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13691 states and 22163 transitions. [2024-11-19 00:06:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-11-19 00:06:02,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:02,135 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:02,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 00:06:02,136 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:02,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1129731093, now seen corresponding path program 1 times [2024-11-19 00:06:02,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:02,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556513379] [2024-11-19 00:06:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:03,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:03,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556513379] [2024-11-19 00:06:03,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556513379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:03,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:03,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:06:03,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124698176] [2024-11-19 00:06:03,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:03,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:06:03,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:03,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:06:03,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:06:03,561 INFO L87 Difference]: Start difference. First operand 13691 states and 22163 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:04,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:04,702 INFO L93 Difference]: Finished difference Result 35127 states and 56898 transitions. [2024-11-19 00:06:04,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:06:04,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 578 [2024-11-19 00:06:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:04,797 INFO L225 Difference]: With dead ends: 35127 [2024-11-19 00:06:04,797 INFO L226 Difference]: Without dead ends: 28067 [2024-11-19 00:06:04,826 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 [2024-11-19 00:06:04,827 INFO L432 NwaCegarLoop]: 904 mSDtfsCounter, 1012 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:04,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1012 Valid, 1707 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 00:06:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28067 states. [2024-11-19 00:06:05,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28067 to 25755. [2024-11-19 00:06:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25755 states, 24465 states have (on average 1.5935826691191497) internal successors, (38987), 24493 states have internal predecessors, (38987), 1246 states have call successors, (1246), 43 states have call predecessors, (1246), 43 states have return successors, (1246), 1218 states have call predecessors, (1246), 1246 states have call successors, (1246) [2024-11-19 00:06:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25755 states to 25755 states and 41479 transitions. [2024-11-19 00:06:05,797 INFO L78 Accepts]: Start accepts. Automaton has 25755 states and 41479 transitions. Word has length 578 [2024-11-19 00:06:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:05,798 INFO L471 AbstractCegarLoop]: Abstraction has 25755 states and 41479 transitions. [2024-11-19 00:06:05,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25755 states and 41479 transitions. [2024-11-19 00:06:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-11-19 00:06:05,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:05,902 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:05,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 00:06:05,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:05,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1089056343, now seen corresponding path program 1 times [2024-11-19 00:06:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:05,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235476353] [2024-11-19 00:06:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:07,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235476353] [2024-11-19 00:06:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235476353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:07,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:07,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:06:07,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918231044] [2024-11-19 00:06:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:07,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:06:07,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:06:07,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:06:07,047 INFO L87 Difference]: Start difference. First operand 25755 states and 41479 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:07,913 INFO L93 Difference]: Finished difference Result 45219 states and 72729 transitions. [2024-11-19 00:06:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:06:07,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 578 [2024-11-19 00:06:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:07,971 INFO L225 Difference]: With dead ends: 45219 [2024-11-19 00:06:07,971 INFO L226 Difference]: Without dead ends: 21905 [2024-11-19 00:06:07,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:06:07,997 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 400 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:07,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1656 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 00:06:08,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21905 states. [2024-11-19 00:06:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21905 to 21599. [2024-11-19 00:06:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21599 states, 20309 states have (on average 1.5855532030134423) internal successors, (32201), 20337 states have internal predecessors, (32201), 1246 states have call successors, (1246), 43 states have call predecessors, (1246), 43 states have return successors, (1246), 1218 states have call predecessors, (1246), 1246 states have call successors, (1246) [2024-11-19 00:06:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21599 states to 21599 states and 34693 transitions. [2024-11-19 00:06:08,755 INFO L78 Accepts]: Start accepts. Automaton has 21599 states and 34693 transitions. Word has length 578 [2024-11-19 00:06:08,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:08,760 INFO L471 AbstractCegarLoop]: Abstraction has 21599 states and 34693 transitions. [2024-11-19 00:06:08,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21599 states and 34693 transitions. [2024-11-19 00:06:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-11-19 00:06:08,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:08,779 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:08,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 00:06:08,779 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:08,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:08,780 INFO L85 PathProgramCache]: Analyzing trace with hash -223234619, now seen corresponding path program 1 times [2024-11-19 00:06:08,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:08,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406798219] [2024-11-19 00:06:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:09,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406798219] [2024-11-19 00:06:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406798219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:09,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:09,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 00:06:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685936080] [2024-11-19 00:06:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:09,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 00:06:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 00:06:09,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 00:06:09,039 INFO L87 Difference]: Start difference. First operand 21599 states and 34693 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:09,706 INFO L93 Difference]: Finished difference Result 56855 states and 90783 transitions. [2024-11-19 00:06:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 00:06:09,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 578 [2024-11-19 00:06:09,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:09,822 INFO L225 Difference]: With dead ends: 56855 [2024-11-19 00:06:09,823 INFO L226 Difference]: Without dead ends: 37161 [2024-11-19 00:06:09,864 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 [2024-11-19 00:06:09,866 INFO L432 NwaCegarLoop]: 740 mSDtfsCounter, 246 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1284 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 [2024-11-19 00:06:09,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1284 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:06:09,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37161 states. [2024-11-19 00:06:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37161 to 37143. [2024-11-19 00:06:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37143 states, 35101 states have (on average 1.566935414945443) internal successors, (55001), 35161 states have internal predecessors, (55001), 1966 states have call successors, (1966), 75 states have call predecessors, (1966), 75 states have return successors, (1966), 1906 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-19 00:06:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37143 states to 37143 states and 58933 transitions. [2024-11-19 00:06:11,212 INFO L78 Accepts]: Start accepts. Automaton has 37143 states and 58933 transitions. Word has length 578 [2024-11-19 00:06:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:11,215 INFO L471 AbstractCegarLoop]: Abstraction has 37143 states and 58933 transitions. [2024-11-19 00:06:11,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 37143 states and 58933 transitions. [2024-11-19 00:06:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-11-19 00:06:11,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:11,233 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:11,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 00:06:11,233 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:11,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:11,234 INFO L85 PathProgramCache]: Analyzing trace with hash 200412103, now seen corresponding path program 1 times [2024-11-19 00:06:11,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:11,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463404096] [2024-11-19 00:06:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 15 proven. 240 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2024-11-19 00:06:14,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463404096] [2024-11-19 00:06:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463404096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:06:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656561430] [2024-11-19 00:06:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:14,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:06:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:06:14,520 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) [2024-11-19 00:06:14,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 00:06:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:15,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 00:06:15,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:06:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 6525 proven. 171 refuted. 0 times theorem prover too weak. 7924 trivial. 0 not checked. [2024-11-19 00:06:15,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 00:06:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 84 proven. 171 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2024-11-19 00:06:16,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656561430] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 00:06:16,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 00:06:16,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2024-11-19 00:06:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042740864] [2024-11-19 00:06:16,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 00:06:16,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 00:06:16,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:16,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 00:06:16,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 00:06:16,169 INFO L87 Difference]: Start difference. First operand 37143 states and 58933 transitions. Second operand has 11 states, 11 states have (on average 19.818181818181817) internal successors, (218), 11 states have internal predecessors, (218), 4 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-19 00:06:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:18,229 INFO L93 Difference]: Finished difference Result 56654 states and 89925 transitions. [2024-11-19 00:06:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 00:06:18,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.818181818181817) internal successors, (218), 11 states have internal predecessors, (218), 4 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) Word has length 578 [2024-11-19 00:06:18,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:18,295 INFO L225 Difference]: With dead ends: 56654 [2024-11-19 00:06:18,295 INFO L226 Difference]: Without dead ends: 19675 [2024-11-19 00:06:18,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1153 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2024-11-19 00:06:18,350 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 1472 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:18,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 2738 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 00:06:18,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19675 states. [2024-11-19 00:06:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19675 to 19283. [2024-11-19 00:06:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19283 states, 17999 states have (on average 1.5460858936607589) internal successors, (27828), 18027 states have internal predecessors, (27828), 1230 states have call successors, (1230), 53 states have call predecessors, (1230), 53 states have return successors, (1230), 1202 states have call predecessors, (1230), 1230 states have call successors, (1230) [2024-11-19 00:06:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19283 states to 19283 states and 30288 transitions. [2024-11-19 00:06:19,030 INFO L78 Accepts]: Start accepts. Automaton has 19283 states and 30288 transitions. Word has length 578 [2024-11-19 00:06:19,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:19,031 INFO L471 AbstractCegarLoop]: Abstraction has 19283 states and 30288 transitions. [2024-11-19 00:06:19,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.818181818181817) internal successors, (218), 11 states have internal predecessors, (218), 4 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-19 00:06:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19283 states and 30288 transitions. [2024-11-19 00:06:19,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2024-11-19 00:06:19,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:19,040 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:19,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 00:06:19,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 00:06:19,242 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:19,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:19,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1315705383, now seen corresponding path program 1 times [2024-11-19 00:06:19,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:19,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913357692] [2024-11-19 00:06:19,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:19,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 54 proven. 201 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2024-11-19 00:06:21,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:21,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913357692] [2024-11-19 00:06:21,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913357692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:06:21,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502358335] [2024-11-19 00:06:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:21,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:06:21,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:06:21,515 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) [2024-11-19 00:06:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 00:06:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:21,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 00:06:21,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:06:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 5325 proven. 195 refuted. 0 times theorem prover too weak. 9100 trivial. 0 not checked. [2024-11-19 00:06:22,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 00:06:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 60 proven. 195 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2024-11-19 00:06:23,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502358335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 00:06:23,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 00:06:23,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-19 00:06:23,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522904415] [2024-11-19 00:06:23,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 00:06:23,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 00:06:23,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:23,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 00:06:23,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-19 00:06:23,268 INFO L87 Difference]: Start difference. First operand 19283 states and 30288 transitions. Second operand has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 3 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-19 00:06:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:24,136 INFO L93 Difference]: Finished difference Result 27164 states and 42355 transitions. [2024-11-19 00:06:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 00:06:24,137 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 3 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 582 [2024-11-19 00:06:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:24,175 INFO L225 Difference]: With dead ends: 27164 [2024-11-19 00:06:24,175 INFO L226 Difference]: Without dead ends: 8098 [2024-11-19 00:06:24,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1161 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-19 00:06:24,205 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 615 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:24,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 1143 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 00:06:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8098 states. [2024-11-19 00:06:24,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8098 to 7777. [2024-11-19 00:06:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7777 states, 6763 states have (on average 1.4821824634038148) internal successors, (10024), 6775 states have internal predecessors, (10024), 926 states have call successors, (926), 87 states have call predecessors, (926), 87 states have return successors, (926), 914 states have call predecessors, (926), 926 states have call successors, (926) [2024-11-19 00:06:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7777 states to 7777 states and 11876 transitions. [2024-11-19 00:06:24,801 INFO L78 Accepts]: Start accepts. Automaton has 7777 states and 11876 transitions. Word has length 582 [2024-11-19 00:06:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:24,802 INFO L471 AbstractCegarLoop]: Abstraction has 7777 states and 11876 transitions. [2024-11-19 00:06:24,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 3 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-19 00:06:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 7777 states and 11876 transitions. [2024-11-19 00:06:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2024-11-19 00:06:24,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:24,809 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:24,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 00:06:25,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:06:25,010 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:25,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:25,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1254450505, now seen corresponding path program 1 times [2024-11-19 00:06:25,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:25,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653429005] [2024-11-19 00:06:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:25,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:27,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:27,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653429005] [2024-11-19 00:06:27,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653429005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:27,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:27,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 00:06:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102913269] [2024-11-19 00:06:27,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:27,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 00:06:27,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:27,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 00:06:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 00:06:27,283 INFO L87 Difference]: Start difference. First operand 7777 states and 11876 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 10 states have internal predecessors, (157), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:06:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:29,320 INFO L93 Difference]: Finished difference Result 25269 states and 38711 transitions. [2024-11-19 00:06:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 00:06:29,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 10 states have internal predecessors, (157), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 584 [2024-11-19 00:06:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:29,369 INFO L225 Difference]: With dead ends: 25269 [2024-11-19 00:06:29,369 INFO L226 Difference]: Without dead ends: 18067 [2024-11-19 00:06:29,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-19 00:06:29,383 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 2141 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:29,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 2603 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 00:06:29,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18067 states. [2024-11-19 00:06:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18067 to 10675. [2024-11-19 00:06:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10675 states, 9661 states have (on average 1.5157851154124833) internal successors, (14644), 9673 states have internal predecessors, (14644), 926 states have call successors, (926), 87 states have call predecessors, (926), 87 states have return successors, (926), 914 states have call predecessors, (926), 926 states have call successors, (926) [2024-11-19 00:06:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10675 states to 10675 states and 16496 transitions. [2024-11-19 00:06:29,822 INFO L78 Accepts]: Start accepts. Automaton has 10675 states and 16496 transitions. Word has length 584 [2024-11-19 00:06:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:29,823 INFO L471 AbstractCegarLoop]: Abstraction has 10675 states and 16496 transitions. [2024-11-19 00:06:29,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 10 states have internal predecessors, (157), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-19 00:06:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 10675 states and 16496 transitions. [2024-11-19 00:06:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2024-11-19 00:06:29,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:29,830 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:29,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 00:06:29,830 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:29,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:29,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1113901895, now seen corresponding path program 1 times [2024-11-19 00:06:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:29,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027796620] [2024-11-19 00:06:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:30,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:30,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027796620] [2024-11-19 00:06:30,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027796620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:30,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:30,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 00:06:30,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303038389] [2024-11-19 00:06:30,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:30,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 00:06:30,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 00:06:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:06:30,554 INFO L87 Difference]: Start difference. First operand 10675 states and 16496 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:31,602 INFO L93 Difference]: Finished difference Result 25367 states and 38834 transitions. [2024-11-19 00:06:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 00:06:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 584 [2024-11-19 00:06:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:31,660 INFO L225 Difference]: With dead ends: 25367 [2024-11-19 00:06:31,660 INFO L226 Difference]: Without dead ends: 15737 [2024-11-19 00:06:31,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 00:06:31,688 INFO L432 NwaCegarLoop]: 841 mSDtfsCounter, 425 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:31,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1992 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 00:06:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15737 states. [2024-11-19 00:06:32,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15737 to 11067. [2024-11-19 00:06:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11067 states, 10053 states have (on average 1.5123843628767533) internal successors, (15204), 10065 states have internal predecessors, (15204), 926 states have call successors, (926), 87 states have call predecessors, (926), 87 states have return successors, (926), 914 states have call predecessors, (926), 926 states have call successors, (926) [2024-11-19 00:06:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 17056 transitions. [2024-11-19 00:06:32,533 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 17056 transitions. Word has length 584 [2024-11-19 00:06:32,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:32,535 INFO L471 AbstractCegarLoop]: Abstraction has 11067 states and 17056 transitions. [2024-11-19 00:06:32,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 17056 transitions. [2024-11-19 00:06:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2024-11-19 00:06:32,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:32,541 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:32,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 00:06:32,542 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:32,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:32,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1592717499, now seen corresponding path program 1 times [2024-11-19 00:06:32,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:32,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294598874] [2024-11-19 00:06:32,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:32,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2024-11-19 00:06:35,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:35,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294598874] [2024-11-19 00:06:35,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294598874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:06:35,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:06:35,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 00:06:35,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735846324] [2024-11-19 00:06:35,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:06:35,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 00:06:35,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:06:35,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 00:06:35,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 00:06:35,139 INFO L87 Difference]: Start difference. First operand 11067 states and 17056 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:39,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:06:39,437 INFO L93 Difference]: Finished difference Result 53847 states and 82932 transitions. [2024-11-19 00:06:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 00:06:39,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 584 [2024-11-19 00:06:39,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:06:39,554 INFO L225 Difference]: With dead ends: 53847 [2024-11-19 00:06:39,554 INFO L226 Difference]: Without dead ends: 43825 [2024-11-19 00:06:39,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-19 00:06:39,597 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 1209 mSDsluCounter, 5811 mSDsCounter, 0 mSdLazyCounter, 2630 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 6654 SdHoareTripleChecker+Invalid, 2849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:06:39,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 6654 Invalid, 2849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2630 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 00:06:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43825 states. [2024-11-19 00:06:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43825 to 26199. [2024-11-19 00:06:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26199 states, 24591 states have (on average 1.5338538489691351) internal successors, (37719), 24619 states have internal predecessors, (37719), 1438 states have call successors, (1438), 169 states have call predecessors, (1438), 169 states have return successors, (1438), 1410 states have call predecessors, (1438), 1438 states have call successors, (1438) [2024-11-19 00:06:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26199 states to 26199 states and 40595 transitions. [2024-11-19 00:06:40,885 INFO L78 Accepts]: Start accepts. Automaton has 26199 states and 40595 transitions. Word has length 584 [2024-11-19 00:06:40,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:06:40,887 INFO L471 AbstractCegarLoop]: Abstraction has 26199 states and 40595 transitions. [2024-11-19 00:06:40,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 states have internal predecessors, (157), 1 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2024-11-19 00:06:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 26199 states and 40595 transitions. [2024-11-19 00:06:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2024-11-19 00:06:40,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:06:40,896 INFO L215 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:06:40,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 00:06:40,897 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:06:40,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:06:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash -435868611, now seen corresponding path program 1 times [2024-11-19 00:06:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:06:40,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469043379] [2024-11-19 00:06:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:40,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:06:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:06:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 78 proven. 177 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2024-11-19 00:06:42,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:06:42,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469043379] [2024-11-19 00:06:42,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469043379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:06:42,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503217530] [2024-11-19 00:06:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:06:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:06:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:06:42,757 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) [2024-11-19 00:06:42,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process