./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.13.cil.c --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/systemc/transmitter.13.cil.c -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 5975f0f3825b3a6653676f33bd69d14e1e58fcf0306bfb5508ab91dc8951d6c4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:36:37,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:36:37,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:36:37,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:36:37,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:36:37,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:36:37,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:36:37,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:36:37,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:36:37,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:36:37,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:36:37,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:36:37,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:36:37,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:36:37,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:36:37,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:36:37,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:36:37,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:36:37,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:36:37,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:36:37,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:36:37,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:36:37,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:36:37,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:36:37,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:36:37,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:36:37,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:36:37,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:36:37,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:36:37,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:36:37,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:36:37,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:36:37,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:36:37,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:36:37,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:36:37,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:36:37,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:36:37,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:36:37,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:36:37,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:36:37,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:36:37,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:36:37,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5975f0f3825b3a6653676f33bd69d14e1e58fcf0306bfb5508ab91dc8951d6c4 [2024-11-18 14:36:37,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:36:37,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:36:37,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:36:37,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:36:37,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:36:37,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.13.cil.c [2024-11-18 14:36:39,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:36:39,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:36:39,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.13.cil.c [2024-11-18 14:36:39,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8ea7848/e138b60091fb4e16aa3b916ce333804c/FLAGea5d2a486 [2024-11-18 14:36:39,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8ea7848/e138b60091fb4e16aa3b916ce333804c [2024-11-18 14:36:39,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:36:39,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:36:39,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:36:39,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:36:39,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:36:39,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:36:39" (1/1) ... [2024-11-18 14:36:39,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279938e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:39, skipping insertion in model container [2024-11-18 14:36:39,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:36:39" (1/1) ... [2024-11-18 14:36:39,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:36:40,084 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/systemc/transmitter.13.cil.c[706,719] [2024-11-18 14:36:40,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:36:40,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:36:40,294 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/systemc/transmitter.13.cil.c[706,719] [2024-11-18 14:36:40,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:36:40,380 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:36:40,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40 WrapperNode [2024-11-18 14:36:40,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:36:40,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:36:40,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:36:40,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:36:40,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,458 INFO L138 Inliner]: procedures = 54, calls = 69, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 918 [2024-11-18 14:36:40,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:36:40,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:36:40,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:36:40,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:36:40,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,506 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]. [2024-11-18 14:36:40,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:36:40,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:36:40,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:36:40,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:36:40,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (1/1) ... [2024-11-18 14:36:40,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:36:40,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:36:40,589 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) [2024-11-18 14:36:40,591 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 [2024-11-18 14:36:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:36:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-18 14:36:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-18 14:36:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-18 14:36:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-18 14:36:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-18 14:36:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-18 14:36:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-18 14:36:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-18 14:36:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-18 14:36:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-18 14:36:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-18 14:36:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-18 14:36:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:36:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:36:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:36:40,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:36:40,788 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:36:41,745 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-18 14:36:41,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:36:41,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:36:41,774 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-18 14:36:41,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:36:41 BoogieIcfgContainer [2024-11-18 14:36:41,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:36:41,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:36:41,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:36:41,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:36:41,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:36:39" (1/3) ... [2024-11-18 14:36:41,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1ee83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:36:41, skipping insertion in model container [2024-11-18 14:36:41,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:40" (2/3) ... [2024-11-18 14:36:41,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1ee83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:36:41, skipping insertion in model container [2024-11-18 14:36:41,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:36:41" (3/3) ... [2024-11-18 14:36:41,785 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.13.cil.c [2024-11-18 14:36:41,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:36:41,801 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:36:41,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:36:41,896 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;@58789780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:36:41,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:36:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 417 states, 383 states have (on average 1.6422976501305484) internal successors, (629), 385 states have internal predecessors, (629), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-18 14:36:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:41,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:41,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:41,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:41,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:41,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1171571176, now seen corresponding path program 1 times [2024-11-18 14:36:41,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:41,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585643939] [2024-11-18 14:36:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585643939] [2024-11-18 14:36:42,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585643939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:42,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:42,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:36:42,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698694948] [2024-11-18 14:36:42,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:42,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:36:42,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:42,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:36:42,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:36:42,505 INFO L87 Difference]: Start difference. First operand has 417 states, 383 states have (on average 1.6422976501305484) internal successors, (629), 385 states have internal predecessors, (629), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:42,609 INFO L93 Difference]: Finished difference Result 827 states and 1353 transitions. [2024-11-18 14:36:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:36:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:42,626 INFO L225 Difference]: With dead ends: 827 [2024-11-18 14:36:42,626 INFO L226 Difference]: Without dead ends: 412 [2024-11-18 14:36:42,632 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 [2024-11-18 14:36:42,635 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 639 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:42,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 643 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:36:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-18 14:36:42,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-11-18 14:36:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 379 states have (on average 1.5514511873350922) internal successors, (588), 380 states have internal predecessors, (588), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-18 14:36:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 640 transitions. [2024-11-18 14:36:42,718 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 640 transitions. Word has length 199 [2024-11-18 14:36:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:42,720 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 640 transitions. [2024-11-18 14:36:42,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 640 transitions. [2024-11-18 14:36:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:42,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:42,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:42,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:36:42,730 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:42,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:42,731 INFO L85 PathProgramCache]: Analyzing trace with hash 684497450, now seen corresponding path program 1 times [2024-11-18 14:36:42,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:42,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727070052] [2024-11-18 14:36:42,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:42,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:42,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:42,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727070052] [2024-11-18 14:36:42,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727070052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:42,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:42,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:36:42,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390369170] [2024-11-18 14:36:42,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:42,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:36:42,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:42,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:36:42,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:36:42,956 INFO L87 Difference]: Start difference. First operand 412 states and 640 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:42,999 INFO L93 Difference]: Finished difference Result 810 states and 1257 transitions. [2024-11-18 14:36:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:36:42,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:43,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:43,006 INFO L225 Difference]: With dead ends: 810 [2024-11-18 14:36:43,006 INFO L226 Difference]: Without dead ends: 412 [2024-11-18 14:36:43,009 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 [2024-11-18 14:36:43,011 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:43,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 638 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:36:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-18 14:36:43,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-11-18 14:36:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 379 states have (on average 1.5488126649076517) internal successors, (587), 380 states have internal predecessors, (587), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-18 14:36:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 639 transitions. [2024-11-18 14:36:43,058 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 639 transitions. Word has length 199 [2024-11-18 14:36:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:43,058 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 639 transitions. [2024-11-18 14:36:43,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 639 transitions. [2024-11-18 14:36:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:43,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:43,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:43,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:36:43,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:43,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash -839265172, now seen corresponding path program 1 times [2024-11-18 14:36:43,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:43,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811160921] [2024-11-18 14:36:43,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:43,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:43,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811160921] [2024-11-18 14:36:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811160921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:43,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:43,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:36:43,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5578369] [2024-11-18 14:36:43,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:43,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:36:43,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:36:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:36:43,413 INFO L87 Difference]: Start difference. First operand 412 states and 639 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:44,293 INFO L93 Difference]: Finished difference Result 1244 states and 1965 transitions. [2024-11-18 14:36:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:36:44,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:44,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:44,302 INFO L225 Difference]: With dead ends: 1244 [2024-11-18 14:36:44,302 INFO L226 Difference]: Without dead ends: 853 [2024-11-18 14:36:44,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:44,306 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1228 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:44,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 1774 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 14:36:44,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-18 14:36:44,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 822. [2024-11-18 14:36:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 761 states have (on average 1.5597897503285152) internal successors, (1187), 763 states have internal predecessors, (1187), 47 states have call successors, (47), 12 states have call predecessors, (47), 13 states have return successors, (48), 47 states have call predecessors, (48), 47 states have call successors, (48) [2024-11-18 14:36:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1282 transitions. [2024-11-18 14:36:44,359 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1282 transitions. Word has length 199 [2024-11-18 14:36:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:44,360 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1282 transitions. [2024-11-18 14:36:44,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1282 transitions. [2024-11-18 14:36:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:44,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:44,363 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:44,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:36:44,363 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:44,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash -608434451, now seen corresponding path program 1 times [2024-11-18 14:36:44,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:44,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653819977] [2024-11-18 14:36:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:44,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:44,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653819977] [2024-11-18 14:36:44,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653819977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:44,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:44,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:44,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846919035] [2024-11-18 14:36:44,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:44,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:44,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:44,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:44,596 INFO L87 Difference]: Start difference. First operand 822 states and 1282 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:45,945 INFO L93 Difference]: Finished difference Result 2242 states and 3537 transitions. [2024-11-18 14:36:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:45,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:45,954 INFO L225 Difference]: With dead ends: 2242 [2024-11-18 14:36:45,955 INFO L226 Difference]: Without dead ends: 1441 [2024-11-18 14:36:45,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:45,961 INFO L432 NwaCegarLoop]: 857 mSDtfsCounter, 1374 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:45,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 3470 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 14:36:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2024-11-18 14:36:46,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1204. [2024-11-18 14:36:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1115 states have (on average 1.5524663677130044) internal successors, (1731), 1118 states have internal predecessors, (1731), 68 states have call successors, (68), 18 states have call predecessors, (68), 20 states have return successors, (72), 69 states have call predecessors, (72), 68 states have call successors, (72) [2024-11-18 14:36:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1871 transitions. [2024-11-18 14:36:46,025 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1871 transitions. Word has length 199 [2024-11-18 14:36:46,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:46,026 INFO L471 AbstractCegarLoop]: Abstraction has 1204 states and 1871 transitions. [2024-11-18 14:36:46,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1871 transitions. [2024-11-18 14:36:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:46,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:46,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:46,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:36:46,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:46,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash -588893329, now seen corresponding path program 1 times [2024-11-18 14:36:46,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:46,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958285793] [2024-11-18 14:36:46,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:46,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:46,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:46,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958285793] [2024-11-18 14:36:46,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958285793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:46,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:46,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:46,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539673679] [2024-11-18 14:36:46,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:46,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:46,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:46,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:46,244 INFO L87 Difference]: Start difference. First operand 1204 states and 1871 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:47,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:47,478 INFO L93 Difference]: Finished difference Result 3453 states and 5433 transitions. [2024-11-18 14:36:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:47,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:47,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:47,494 INFO L225 Difference]: With dead ends: 3453 [2024-11-18 14:36:47,495 INFO L226 Difference]: Without dead ends: 2270 [2024-11-18 14:36:47,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:47,502 INFO L432 NwaCegarLoop]: 849 mSDtfsCounter, 1366 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:47,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 3440 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 14:36:47,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-11-18 14:36:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2016. [2024-11-18 14:36:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2016 states, 1869 states have (on average 1.555912252541466) internal successors, (2908), 1876 states have internal predecessors, (2908), 110 states have call successors, (110), 30 states have call predecessors, (110), 36 states have return successors, (126), 113 states have call predecessors, (126), 110 states have call successors, (126) [2024-11-18 14:36:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 3144 transitions. [2024-11-18 14:36:47,690 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 3144 transitions. Word has length 199 [2024-11-18 14:36:47,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:47,691 INFO L471 AbstractCegarLoop]: Abstraction has 2016 states and 3144 transitions. [2024-11-18 14:36:47,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 3144 transitions. [2024-11-18 14:36:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:47,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:47,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:47,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:36:47,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:47,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:47,698 INFO L85 PathProgramCache]: Analyzing trace with hash -61499279, now seen corresponding path program 1 times [2024-11-18 14:36:47,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194716516] [2024-11-18 14:36:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:47,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194716516] [2024-11-18 14:36:47,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194716516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:47,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:47,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074615391] [2024-11-18 14:36:47,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:47,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:47,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:47,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:47,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:47,910 INFO L87 Difference]: Start difference. First operand 2016 states and 3144 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:49,194 INFO L93 Difference]: Finished difference Result 6073 states and 9624 transitions. [2024-11-18 14:36:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:49,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:49,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:49,217 INFO L225 Difference]: With dead ends: 6073 [2024-11-18 14:36:49,217 INFO L226 Difference]: Without dead ends: 4078 [2024-11-18 14:36:49,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:49,226 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 1361 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:49,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 3428 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 14:36:49,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2024-11-18 14:36:49,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 3781. [2024-11-18 14:36:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3781 states, 3512 states have (on average 1.572892938496583) internal successors, (5524), 3533 states have internal predecessors, (5524), 194 states have call successors, (194), 54 states have call predecessors, (194), 74 states have return successors, (258), 201 states have call predecessors, (258), 194 states have call successors, (258) [2024-11-18 14:36:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 5976 transitions. [2024-11-18 14:36:49,391 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 5976 transitions. Word has length 199 [2024-11-18 14:36:49,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:49,391 INFO L471 AbstractCegarLoop]: Abstraction has 3781 states and 5976 transitions. [2024-11-18 14:36:49,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 5976 transitions. [2024-11-18 14:36:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:49,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:49,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:49,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:36:49,398 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:49,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:49,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1429959889, now seen corresponding path program 1 times [2024-11-18 14:36:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929072658] [2024-11-18 14:36:49,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:49,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929072658] [2024-11-18 14:36:49,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929072658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:49,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:49,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347110986] [2024-11-18 14:36:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:49,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:49,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:49,592 INFO L87 Difference]: Start difference. First operand 3781 states and 5976 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:50,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:50,994 INFO L93 Difference]: Finished difference Result 11858 states and 19138 transitions. [2024-11-18 14:36:50,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:50,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:50,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:51,045 INFO L225 Difference]: With dead ends: 11858 [2024-11-18 14:36:51,045 INFO L226 Difference]: Without dead ends: 8098 [2024-11-18 14:36:51,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:51,061 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 1356 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 3416 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:51,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 3416 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 14:36:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8098 states. [2024-11-18 14:36:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8098 to 7716. [2024-11-18 14:36:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7716 states, 7185 states have (on average 1.6016701461377871) internal successors, (11508), 7252 states have internal predecessors, (11508), 362 states have call successors, (362), 102 states have call predecessors, (362), 168 states have return successors, (618), 377 states have call predecessors, (618), 362 states have call successors, (618) [2024-11-18 14:36:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 12488 transitions. [2024-11-18 14:36:51,465 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 12488 transitions. Word has length 199 [2024-11-18 14:36:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:51,465 INFO L471 AbstractCegarLoop]: Abstraction has 7716 states and 12488 transitions. [2024-11-18 14:36:51,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 12488 transitions. [2024-11-18 14:36:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:51,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:51,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:51,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:36:51,476 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:51,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash -781367119, now seen corresponding path program 1 times [2024-11-18 14:36:51,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:51,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554701890] [2024-11-18 14:36:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:51,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554701890] [2024-11-18 14:36:51,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554701890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:51,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:51,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:51,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138811849] [2024-11-18 14:36:51,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:51,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:51,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:51,664 INFO L87 Difference]: Start difference. First operand 7716 states and 12488 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:53,190 INFO L93 Difference]: Finished difference Result 24989 states and 41540 transitions. [2024-11-18 14:36:53,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:53,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:53,282 INFO L225 Difference]: With dead ends: 24989 [2024-11-18 14:36:53,282 INFO L226 Difference]: Without dead ends: 17294 [2024-11-18 14:36:53,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:53,316 INFO L432 NwaCegarLoop]: 840 mSDtfsCounter, 1351 mSDsluCounter, 2564 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:53,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 3404 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 14:36:53,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17294 states. [2024-11-18 14:36:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17294 to 16747. [2024-11-18 14:36:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 15638 states have (on average 1.6388284946924159) internal successors, (25628), 15851 states have internal predecessors, (25628), 698 states have call successors, (698), 198 states have call predecessors, (698), 410 states have return successors, (1722), 729 states have call predecessors, (1722), 698 states have call successors, (1722) [2024-11-18 14:36:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 28048 transitions. [2024-11-18 14:36:54,134 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 28048 transitions. Word has length 199 [2024-11-18 14:36:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:54,135 INFO L471 AbstractCegarLoop]: Abstraction has 16747 states and 28048 transitions. [2024-11-18 14:36:54,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 28048 transitions. [2024-11-18 14:36:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:54,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:54,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:54,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:36:54,159 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:54,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:54,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2010501871, now seen corresponding path program 1 times [2024-11-18 14:36:54,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:54,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011680059] [2024-11-18 14:36:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:54,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011680059] [2024-11-18 14:36:54,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011680059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:54,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:54,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:36:54,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168548994] [2024-11-18 14:36:54,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:54,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:36:54,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:54,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:36:54,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:36:54,320 INFO L87 Difference]: Start difference. First operand 16747 states and 28048 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:55,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:55,444 INFO L93 Difference]: Finished difference Result 38618 states and 66708 transitions. [2024-11-18 14:36:55,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:36:55,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:55,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:55,543 INFO L225 Difference]: With dead ends: 38618 [2024-11-18 14:36:55,543 INFO L226 Difference]: Without dead ends: 21892 [2024-11-18 14:36:55,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:55,602 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 906 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:55,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1178 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 14:36:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21892 states. [2024-11-18 14:36:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21892 to 16747. [2024-11-18 14:36:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 15638 states have (on average 1.636718250415654) internal successors, (25595), 15851 states have internal predecessors, (25595), 698 states have call successors, (698), 198 states have call predecessors, (698), 410 states have return successors, (1722), 729 states have call predecessors, (1722), 698 states have call successors, (1722) [2024-11-18 14:36:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 28015 transitions. [2024-11-18 14:36:56,556 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 28015 transitions. Word has length 199 [2024-11-18 14:36:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:36:56,557 INFO L471 AbstractCegarLoop]: Abstraction has 16747 states and 28015 transitions. [2024-11-18 14:36:56,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 28015 transitions. [2024-11-18 14:36:56,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:36:56,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:36:56,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:36:56,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:36:56,583 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:36:56,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:36:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2100562161, now seen corresponding path program 1 times [2024-11-18 14:36:56,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:36:56,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265292911] [2024-11-18 14:36:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:36:56,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:36:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:36:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:36:56,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:36:56,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265292911] [2024-11-18 14:36:56,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265292911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:36:56,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:36:56,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:36:56,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948815593] [2024-11-18 14:36:56,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:36:56,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:36:56,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:36:56,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:36:56,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:36:56,806 INFO L87 Difference]: Start difference. First operand 16747 states and 28015 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:36:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:36:58,726 INFO L93 Difference]: Finished difference Result 55442 states and 95875 transitions. [2024-11-18 14:36:58,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:36:58,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:36:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:36:58,941 INFO L225 Difference]: With dead ends: 55442 [2024-11-18 14:36:58,942 INFO L226 Difference]: Without dead ends: 38716 [2024-11-18 14:36:59,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:36:59,019 INFO L432 NwaCegarLoop]: 832 mSDtfsCounter, 1338 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:36:59,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 3373 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-18 14:36:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38716 states. [2024-11-18 14:37:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38716 to 37887. [2024-11-18 14:37:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37887 states, 35460 states have (on average 1.6767343485617596) internal successors, (59457), 36127 states have internal predecessors, (59457), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 1056 states have return successors, (5466), 1433 states have call predecessors, (5466), 1370 states have call successors, (5466) [2024-11-18 14:37:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37887 states to 37887 states and 66293 transitions. [2024-11-18 14:37:00,827 INFO L78 Accepts]: Start accepts. Automaton has 37887 states and 66293 transitions. Word has length 199 [2024-11-18 14:37:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:37:00,828 INFO L471 AbstractCegarLoop]: Abstraction has 37887 states and 66293 transitions. [2024-11-18 14:37:00,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 37887 states and 66293 transitions. [2024-11-18 14:37:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:37:00,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:37:00,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:37:00,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:37:00,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:37:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:37:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1410730671, now seen corresponding path program 1 times [2024-11-18 14:37:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:37:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694833101] [2024-11-18 14:37:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:37:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:37:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:37:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:37:01,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:37:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694833101] [2024-11-18 14:37:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694833101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:37:01,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:37:01,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:37:01,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19831882] [2024-11-18 14:37:01,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:37:01,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:37:01,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:37:01,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:37:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:37:01,028 INFO L87 Difference]: Start difference. First operand 37887 states and 66293 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:37:03,015 INFO L93 Difference]: Finished difference Result 89642 states and 162364 transitions. [2024-11-18 14:37:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:37:03,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:37:03,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:37:03,279 INFO L225 Difference]: With dead ends: 89642 [2024-11-18 14:37:03,279 INFO L226 Difference]: Without dead ends: 51776 [2024-11-18 14:37:03,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:37:03,418 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 863 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 14:37:03,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1246 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 14:37:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51776 states. [2024-11-18 14:37:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51776 to 37887. [2024-11-18 14:37:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37887 states, 35460 states have (on average 1.6749012972363226) internal successors, (59392), 36127 states have internal predecessors, (59392), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 1056 states have return successors, (5466), 1433 states have call predecessors, (5466), 1370 states have call successors, (5466) [2024-11-18 14:37:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37887 states to 37887 states and 66228 transitions. [2024-11-18 14:37:05,624 INFO L78 Accepts]: Start accepts. Automaton has 37887 states and 66228 transitions. Word has length 199 [2024-11-18 14:37:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:37:05,625 INFO L471 AbstractCegarLoop]: Abstraction has 37887 states and 66228 transitions. [2024-11-18 14:37:05,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 37887 states and 66228 transitions. [2024-11-18 14:37:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:37:05,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:37:05,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:37:05,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:37:05,673 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:37:05,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:37:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash 3004721, now seen corresponding path program 1 times [2024-11-18 14:37:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:37:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259352585] [2024-11-18 14:37:05,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:37:05,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:37:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:37:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:37:06,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:37:06,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259352585] [2024-11-18 14:37:06,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259352585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:37:06,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:37:06,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:37:06,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980298153] [2024-11-18 14:37:06,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:37:06,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:37:06,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:37:06,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:37:06,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:37:06,186 INFO L87 Difference]: Start difference. First operand 37887 states and 66228 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:37:09,340 INFO L93 Difference]: Finished difference Result 126834 states and 231112 transitions. [2024-11-18 14:37:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:37:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:37:09,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:37:09,768 INFO L225 Difference]: With dead ends: 126834 [2024-11-18 14:37:09,768 INFO L226 Difference]: Without dead ends: 88968 [2024-11-18 14:37:10,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:37:10,135 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 1322 mSDsluCounter, 2508 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:37:10,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 3328 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 14:37:10,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88968 states. [2024-11-18 14:37:13,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88968 to 87700. [2024-11-18 14:37:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87700 states, 82151 states have (on average 1.7118233496853354) internal successors, (140628), 84212 states have internal predecessors, (140628), 2714 states have call successors, (2714), 774 states have call predecessors, (2714), 2834 states have return successors, (19098), 2841 states have call predecessors, (19098), 2714 states have call successors, (19098) [2024-11-18 14:37:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87700 states to 87700 states and 162440 transitions. [2024-11-18 14:37:13,665 INFO L78 Accepts]: Start accepts. Automaton has 87700 states and 162440 transitions. Word has length 199 [2024-11-18 14:37:13,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:37:13,667 INFO L471 AbstractCegarLoop]: Abstraction has 87700 states and 162440 transitions. [2024-11-18 14:37:13,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 87700 states and 162440 transitions. [2024-11-18 14:37:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:37:13,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:37:13,739 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:37:13,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:37:13,740 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:37:13,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:37:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1920245709, now seen corresponding path program 1 times [2024-11-18 14:37:13,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:37:13,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976648487] [2024-11-18 14:37:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:37:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:37:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:37:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:37:13,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:37:13,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976648487] [2024-11-18 14:37:13,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976648487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:37:13,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:37:13,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:37:13,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520456664] [2024-11-18 14:37:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:37:14,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:37:14,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:37:14,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:37:14,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:37:14,154 INFO L87 Difference]: Start difference. First operand 87700 states and 162440 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:37:20,806 INFO L93 Difference]: Finished difference Result 299829 states and 586998 transitions. [2024-11-18 14:37:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:37:20,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 199 [2024-11-18 14:37:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:37:22,425 INFO L225 Difference]: With dead ends: 299829 [2024-11-18 14:37:22,425 INFO L226 Difference]: Without dead ends: 212150 [2024-11-18 14:37:22,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:37:22,713 INFO L432 NwaCegarLoop]: 817 mSDtfsCounter, 1317 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:37:22,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 3316 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 14:37:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212150 states. [2024-11-18 14:37:30,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212150 to 209925. [2024-11-18 14:37:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209925 states, 196674 states have (on average 1.7483754843039752) internal successors, (343860), 202981 states have internal predecessors, (343860), 5402 states have call successors, (5402), 1542 states have call predecessors, (5402), 7848 states have return successors, (70938), 5657 states have call predecessors, (70938), 5402 states have call successors, (70938) [2024-11-18 14:37:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209925 states to 209925 states and 420200 transitions. [2024-11-18 14:37:32,637 INFO L78 Accepts]: Start accepts. Automaton has 209925 states and 420200 transitions. Word has length 199 [2024-11-18 14:37:32,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:37:32,638 INFO L471 AbstractCegarLoop]: Abstraction has 209925 states and 420200 transitions. [2024-11-18 14:37:32,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:37:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 209925 states and 420200 transitions. [2024-11-18 14:37:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-18 14:37:32,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:37:32,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:37:32,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:37:32,790 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:37:32,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:37:32,791 INFO L85 PathProgramCache]: Analyzing trace with hash 650113265, now seen corresponding path program 1 times [2024-11-18 14:37:32,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:37:32,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047155096] [2024-11-18 14:37:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:37:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:37:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:37:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:37:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:37:32,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047155096] [2024-11-18 14:37:32,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047155096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:37:32,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:37:32,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:37:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822084568] [2024-11-18 14:37:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:37:32,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:37:32,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:37:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:37:32,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:37:32,987 INFO L87 Difference]: Start difference. First operand 209925 states and 420200 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)