./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f27064a0b5796ba4fcefa469388f6a0b44b51572a6c95971fa540335b609a62 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 07:46:48,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 07:46:48,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 07:46:48,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 07:46:48,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 07:46:48,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 07:46:48,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 07:46:48,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 07:46:48,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 07:46:48,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 07:46:48,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 07:46:48,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 07:46:48,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 07:46:48,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 07:46:48,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 07:46:48,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 07:46:48,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 07:46:48,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 07:46:48,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 07:46:48,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 07:46:48,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 07:46:48,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 07:46:48,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 07:46:48,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 07:46:48,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 07:46:48,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 07:46:48,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 07:46:48,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 07:46:48,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 07:46:48,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 07:46:48,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 07:46:48,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 07:46:48,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 07:46:48,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 07:46:48,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 07:46:48,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 07:46:48,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 07:46:48,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f27064a0b5796ba4fcefa469388f6a0b44b51572a6c95971fa540335b609a62 [2024-11-22 07:46:49,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 07:46:49,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 07:46:49,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 07:46:49,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 07:46:49,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 07:46:49,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i [2024-11-22 07:46:50,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 07:46:50,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 07:46:50,732 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i [2024-11-22 07:46:50,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887da2f8d/fab439b704cc44e78a3a08534f42733d/FLAG9bde2a668 [2024-11-22 07:46:50,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887da2f8d/fab439b704cc44e78a3a08534f42733d [2024-11-22 07:46:50,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 07:46:50,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 07:46:50,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 07:46:50,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 07:46:50,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 07:46:50,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:46:50" (1/1) ... [2024-11-22 07:46:50,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413a3efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:50, skipping insertion in model container [2024-11-22 07:46:50,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:46:50" (1/1) ... [2024-11-22 07:46:50,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 07:46:51,084 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i[916,929] [2024-11-22 07:46:51,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 07:46:51,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 07:46:51,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-75.i[916,929] [2024-11-22 07:46:51,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 07:46:51,406 INFO L204 MainTranslator]: Completed translation [2024-11-22 07:46:51,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51 WrapperNode [2024-11-22 07:46:51,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 07:46:51,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 07:46:51,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 07:46:51,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 07:46:51,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,498 INFO L138 Inliner]: procedures = 26, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1116 [2024-11-22 07:46:51,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 07:46:51,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 07:46:51,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 07:46:51,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 07:46:51,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,559 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 07:46:51,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 07:46:51,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 07:46:51,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 07:46:51,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 07:46:51,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (1/1) ... [2024-11-22 07:46:51,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 07:46:51,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 07:46:51,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 07:46:51,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 07:46:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 07:46:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 07:46:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 07:46:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 07:46:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 07:46:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 07:46:51,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 07:46:51,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 07:46:53,113 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-22 07:46:53,113 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 07:46:53,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 07:46:53,130 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 07:46:53,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:46:53 BoogieIcfgContainer [2024-11-22 07:46:53,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 07:46:53,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 07:46:53,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 07:46:53,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 07:46:53,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:46:50" (1/3) ... [2024-11-22 07:46:53,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b573403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:46:53, skipping insertion in model container [2024-11-22 07:46:53,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:46:51" (2/3) ... [2024-11-22 07:46:53,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b573403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:46:53, skipping insertion in model container [2024-11-22 07:46:53,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:46:53" (3/3) ... [2024-11-22 07:46:53,137 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-75.i [2024-11-22 07:46:53,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 07:46:53,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 07:46:53,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 07:46:53,217 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;@39adec05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 07:46:53,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 07:46:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 445 states, 319 states have (on average 1.5642633228840126) internal successors, (499), 320 states have internal predecessors, (499), 123 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-22 07:46:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2024-11-22 07:46:53,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:53,274 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:53,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:53,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash -967602880, now seen corresponding path program 1 times [2024-11-22 07:46:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840893598] [2024-11-22 07:46:53,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:54,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:54,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840893598] [2024-11-22 07:46:54,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840893598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:54,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:54,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 07:46:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263155226] [2024-11-22 07:46:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:54,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 07:46:54,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:54,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 07:46:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 07:46:54,137 INFO L87 Difference]: Start difference. First operand has 445 states, 319 states have (on average 1.5642633228840126) internal successors, (499), 320 states have internal predecessors, (499), 123 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) Second operand has 2 states, 2 states have (on average 87.5) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:54,220 INFO L93 Difference]: Finished difference Result 883 states and 1607 transitions. [2024-11-22 07:46:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 07:46:54,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 87.5) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 787 [2024-11-22 07:46:54,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:54,237 INFO L225 Difference]: With dead ends: 883 [2024-11-22 07:46:54,237 INFO L226 Difference]: Without dead ends: 441 [2024-11-22 07:46:54,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 07:46:54,245 INFO L432 NwaCegarLoop]: 737 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:54,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:54,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-22 07:46:54,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-22 07:46:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 316 states have (on average 1.5537974683544304) internal successors, (491), 316 states have internal predecessors, (491), 123 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-22 07:46:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 737 transitions. [2024-11-22 07:46:54,316 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 737 transitions. Word has length 787 [2024-11-22 07:46:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:54,318 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 737 transitions. [2024-11-22 07:46:54,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.5) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 737 transitions. [2024-11-22 07:46:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2024-11-22 07:46:54,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:54,334 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:54,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 07:46:54,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:54,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 889802045, now seen corresponding path program 1 times [2024-11-22 07:46:54,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:54,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596782655] [2024-11-22 07:46:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:54,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:54,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596782655] [2024-11-22 07:46:54,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596782655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:54,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:54,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:54,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837980627] [2024-11-22 07:46:54,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:54,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:54,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:54,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:54,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:54,899 INFO L87 Difference]: Start difference. First operand 441 states and 737 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:54,933 INFO L93 Difference]: Finished difference Result 880 states and 1473 transitions. [2024-11-22 07:46:54,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:46:54,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 788 [2024-11-22 07:46:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:54,938 INFO L225 Difference]: With dead ends: 880 [2024-11-22 07:46:54,938 INFO L226 Difference]: Without dead ends: 442 [2024-11-22 07:46:54,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:54,940 INFO L432 NwaCegarLoop]: 736 mSDtfsCounter, 0 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:54,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1464 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-22 07:46:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-11-22 07:46:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 317 states have (on average 1.5520504731861198) internal successors, (492), 317 states have internal predecessors, (492), 123 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-22 07:46:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 738 transitions. [2024-11-22 07:46:54,967 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 738 transitions. Word has length 788 [2024-11-22 07:46:54,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:54,969 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 738 transitions. [2024-11-22 07:46:54,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 738 transitions. [2024-11-22 07:46:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:54,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:54,975 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:54,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 07:46:54,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:54,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:54,976 INFO L85 PathProgramCache]: Analyzing trace with hash -186216671, now seen corresponding path program 1 times [2024-11-22 07:46:54,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:54,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996487736] [2024-11-22 07:46:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:55,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:55,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996487736] [2024-11-22 07:46:55,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996487736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:55,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:55,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:55,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568351562] [2024-11-22 07:46:55,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:55,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:55,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:55,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:55,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:55,327 INFO L87 Difference]: Start difference. First operand 442 states and 738 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:55,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:55,402 INFO L93 Difference]: Finished difference Result 1318 states and 2204 transitions. [2024-11-22 07:46:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:46:55,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:46:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:55,411 INFO L225 Difference]: With dead ends: 1318 [2024-11-22 07:46:55,412 INFO L226 Difference]: Without dead ends: 879 [2024-11-22 07:46:55,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:55,416 INFO L432 NwaCegarLoop]: 1194 mSDtfsCounter, 715 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:55,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1922 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-22 07:46:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 874. [2024-11-22 07:46:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 625 states have (on average 1.5488) internal successors, (968), 625 states have internal predecessors, (968), 246 states have call successors, (246), 2 states have call predecessors, (246), 2 states have return successors, (246), 246 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-22 07:46:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1460 transitions. [2024-11-22 07:46:55,533 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1460 transitions. Word has length 789 [2024-11-22 07:46:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:55,535 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1460 transitions. [2024-11-22 07:46:55,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1460 transitions. [2024-11-22 07:46:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:55,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:55,543 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:55,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 07:46:55,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:55,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:55,545 INFO L85 PathProgramCache]: Analyzing trace with hash -604083811, now seen corresponding path program 1 times [2024-11-22 07:46:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:55,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284040719] [2024-11-22 07:46:55,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:55,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:55,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284040719] [2024-11-22 07:46:55,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284040719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:55,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:55,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835427910] [2024-11-22 07:46:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:55,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:55,948 INFO L87 Difference]: Start difference. First operand 874 states and 1460 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:56,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:56,030 INFO L93 Difference]: Finished difference Result 2156 states and 3602 transitions. [2024-11-22 07:46:56,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:46:56,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:46:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:56,040 INFO L225 Difference]: With dead ends: 2156 [2024-11-22 07:46:56,040 INFO L226 Difference]: Without dead ends: 1285 [2024-11-22 07:46:56,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:56,047 INFO L432 NwaCegarLoop]: 772 mSDtfsCounter, 333 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:56,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1488 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:56,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-11-22 07:46:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1281. [2024-11-22 07:46:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 974 states have (on average 1.570841889117043) internal successors, (1530), 976 states have internal predecessors, (1530), 302 states have call successors, (302), 4 states have call predecessors, (302), 4 states have return successors, (302), 300 states have call predecessors, (302), 302 states have call successors, (302) [2024-11-22 07:46:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2134 transitions. [2024-11-22 07:46:56,161 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2134 transitions. Word has length 789 [2024-11-22 07:46:56,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:56,162 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 2134 transitions. [2024-11-22 07:46:56,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2134 transitions. [2024-11-22 07:46:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:56,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:56,168 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:56,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 07:46:56,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:56,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash -602931941, now seen corresponding path program 1 times [2024-11-22 07:46:56,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:56,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154947489] [2024-11-22 07:46:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154947489] [2024-11-22 07:46:56,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154947489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:56,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:56,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642058483] [2024-11-22 07:46:56,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:56,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:56,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:56,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:56,516 INFO L87 Difference]: Start difference. First operand 1281 states and 2134 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:56,609 INFO L93 Difference]: Finished difference Result 3167 states and 5226 transitions. [2024-11-22 07:46:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:46:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:46:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:56,622 INFO L225 Difference]: With dead ends: 3167 [2024-11-22 07:46:56,622 INFO L226 Difference]: Without dead ends: 1889 [2024-11-22 07:46:56,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:56,629 INFO L432 NwaCegarLoop]: 976 mSDtfsCounter, 310 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:56,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1703 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2024-11-22 07:46:56,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1885. [2024-11-22 07:46:56,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1338 states have (on average 1.5037369207772795) internal successors, (2012), 1344 states have internal predecessors, (2012), 538 states have call successors, (538), 8 states have call predecessors, (538), 8 states have return successors, (538), 532 states have call predecessors, (538), 538 states have call successors, (538) [2024-11-22 07:46:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 3088 transitions. [2024-11-22 07:46:56,789 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 3088 transitions. Word has length 789 [2024-11-22 07:46:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:56,790 INFO L471 AbstractCegarLoop]: Abstraction has 1885 states and 3088 transitions. [2024-11-22 07:46:56,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3088 transitions. [2024-11-22 07:46:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:56,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:56,797 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:56,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 07:46:56,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:56,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1886597021, now seen corresponding path program 1 times [2024-11-22 07:46:56,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:56,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598509138] [2024-11-22 07:46:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:56,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:57,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:57,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598509138] [2024-11-22 07:46:57,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598509138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:57,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:57,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110449961] [2024-11-22 07:46:57,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:57,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:57,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:57,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:57,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:57,177 INFO L87 Difference]: Start difference. First operand 1885 states and 3088 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:57,320 INFO L93 Difference]: Finished difference Result 4913 states and 7974 transitions. [2024-11-22 07:46:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:46:57,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:46:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:57,346 INFO L225 Difference]: With dead ends: 4913 [2024-11-22 07:46:57,347 INFO L226 Difference]: Without dead ends: 3031 [2024-11-22 07:46:57,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:57,354 INFO L432 NwaCegarLoop]: 971 mSDtfsCounter, 299 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:57,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1696 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:46:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2024-11-22 07:46:57,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3025. [2024-11-22 07:46:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 2006 states have (on average 1.431704885343968) internal successors, (2872), 2020 states have internal predecessors, (2872), 1002 states have call successors, (1002), 16 states have call predecessors, (1002), 16 states have return successors, (1002), 988 states have call predecessors, (1002), 1002 states have call successors, (1002) [2024-11-22 07:46:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 4876 transitions. [2024-11-22 07:46:57,579 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 4876 transitions. Word has length 789 [2024-11-22 07:46:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:57,580 INFO L471 AbstractCegarLoop]: Abstraction has 3025 states and 4876 transitions. [2024-11-22 07:46:57,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 4876 transitions. [2024-11-22 07:46:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:57,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:57,586 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:57,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 07:46:57,587 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2105451739, now seen corresponding path program 1 times [2024-11-22 07:46:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:57,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33167872] [2024-11-22 07:46:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:58,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:58,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33167872] [2024-11-22 07:46:58,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33167872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:58,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:58,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 07:46:58,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169012] [2024-11-22 07:46:58,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:58,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 07:46:58,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:58,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 07:46:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 07:46:58,220 INFO L87 Difference]: Start difference. First operand 3025 states and 4876 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:58,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:46:58,743 INFO L93 Difference]: Finished difference Result 9069 states and 14622 transitions. [2024-11-22 07:46:58,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 07:46:58,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:46:58,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:46:58,785 INFO L225 Difference]: With dead ends: 9069 [2024-11-22 07:46:58,786 INFO L226 Difference]: Without dead ends: 6047 [2024-11-22 07:46:58,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 07:46:58,803 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 912 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 2166 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 07:46:58,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 2166 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 07:46:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6047 states. [2024-11-22 07:46:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6047 to 6013. [2024-11-22 07:46:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 3976 states have (on average 1.4285714285714286) internal successors, (5680), 4004 states have internal predecessors, (5680), 2004 states have call successors, (2004), 32 states have call predecessors, (2004), 32 states have return successors, (2004), 1976 states have call predecessors, (2004), 2004 states have call successors, (2004) [2024-11-22 07:46:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 9688 transitions. [2024-11-22 07:46:59,318 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 9688 transitions. Word has length 789 [2024-11-22 07:46:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:46:59,319 INFO L471 AbstractCegarLoop]: Abstraction has 6013 states and 9688 transitions. [2024-11-22 07:46:59,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:46:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 9688 transitions. [2024-11-22 07:46:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-22 07:46:59,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:46:59,334 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:46:59,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 07:46:59,335 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:46:59,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:46:59,335 INFO L85 PathProgramCache]: Analyzing trace with hash -455411107, now seen corresponding path program 1 times [2024-11-22 07:46:59,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:46:59,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401497180] [2024-11-22 07:46:59,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:46:59,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:46:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:46:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:46:59,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:46:59,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401497180] [2024-11-22 07:46:59,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401497180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:46:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:46:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:46:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234758710] [2024-11-22 07:46:59,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:46:59,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:46:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:46:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:46:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:46:59,952 INFO L87 Difference]: Start difference. First operand 6013 states and 9688 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:00,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:47:00,392 INFO L93 Difference]: Finished difference Result 15039 states and 24240 transitions. [2024-11-22 07:47:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:47:00,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 789 [2024-11-22 07:47:00,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:47:00,463 INFO L225 Difference]: With dead ends: 15039 [2024-11-22 07:47:00,463 INFO L226 Difference]: Without dead ends: 9029 [2024-11-22 07:47:00,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:00,489 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 513 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:47:00,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1460 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:47:00,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9029 states. [2024-11-22 07:47:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9029 to 9015. [2024-11-22 07:47:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9015 states, 5960 states have (on average 1.4278523489932886) internal successors, (8510), 6002 states have internal predecessors, (8510), 3006 states have call successors, (3006), 48 states have call predecessors, (3006), 48 states have return successors, (3006), 2964 states have call predecessors, (3006), 3006 states have call successors, (3006) [2024-11-22 07:47:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9015 states to 9015 states and 14522 transitions. [2024-11-22 07:47:01,334 INFO L78 Accepts]: Start accepts. Automaton has 9015 states and 14522 transitions. Word has length 789 [2024-11-22 07:47:01,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:47:01,335 INFO L471 AbstractCegarLoop]: Abstraction has 9015 states and 14522 transitions. [2024-11-22 07:47:01,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 9015 states and 14522 transitions. [2024-11-22 07:47:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2024-11-22 07:47:01,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:47:01,350 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:47:01,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 07:47:01,350 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:47:01,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:47:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash 255736745, now seen corresponding path program 1 times [2024-11-22 07:47:01,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:47:01,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406044894] [2024-11-22 07:47:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:47:01,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:47:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:47:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:47:01,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:47:01,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406044894] [2024-11-22 07:47:01,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406044894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:47:01,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:47:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:47:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333807795] [2024-11-22 07:47:01,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:47:01,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:47:01,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:47:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:47:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:01,625 INFO L87 Difference]: Start difference. First operand 9015 states and 14522 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:02,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:47:02,233 INFO L93 Difference]: Finished difference Result 23885 states and 38350 transitions. [2024-11-22 07:47:02,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:47:02,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 790 [2024-11-22 07:47:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:47:02,310 INFO L225 Difference]: With dead ends: 23885 [2024-11-22 07:47:02,311 INFO L226 Difference]: Without dead ends: 14873 [2024-11-22 07:47:02,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:02,361 INFO L432 NwaCegarLoop]: 735 mSDtfsCounter, 340 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 07:47:02,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1457 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 07:47:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14873 states. [2024-11-22 07:47:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14873 to 14847. [2024-11-22 07:47:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14847 states, 10352 states have (on average 1.4430061823802163) internal successors, (14938), 10442 states have internal predecessors, (14938), 4398 states have call successors, (4398), 96 states have call predecessors, (4398), 96 states have return successors, (4398), 4308 states have call predecessors, (4398), 4398 states have call successors, (4398) [2024-11-22 07:47:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14847 states to 14847 states and 23734 transitions. [2024-11-22 07:47:03,383 INFO L78 Accepts]: Start accepts. Automaton has 14847 states and 23734 transitions. Word has length 790 [2024-11-22 07:47:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:47:03,384 INFO L471 AbstractCegarLoop]: Abstraction has 14847 states and 23734 transitions. [2024-11-22 07:47:03,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 14847 states and 23734 transitions. [2024-11-22 07:47:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2024-11-22 07:47:03,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:47:03,399 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:47:03,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 07:47:03,399 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:47:03,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:47:03,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1217365653, now seen corresponding path program 1 times [2024-11-22 07:47:03,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:47:03,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263557580] [2024-11-22 07:47:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:47:03,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:47:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:47:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:47:05,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:47:05,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263557580] [2024-11-22 07:47:05,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263557580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:47:05,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:47:05,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 07:47:05,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792328433] [2024-11-22 07:47:05,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:47:05,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 07:47:05,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:47:05,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 07:47:05,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 07:47:05,439 INFO L87 Difference]: Start difference. First operand 14847 states and 23734 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 3 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2024-11-22 07:47:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:47:08,533 INFO L93 Difference]: Finished difference Result 42763 states and 68248 transitions. [2024-11-22 07:47:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 07:47:08,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 3 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) Word has length 790 [2024-11-22 07:47:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:47:08,643 INFO L225 Difference]: With dead ends: 42763 [2024-11-22 07:47:08,644 INFO L226 Difference]: Without dead ends: 27919 [2024-11-22 07:47:08,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-22 07:47:08,702 INFO L432 NwaCegarLoop]: 1525 mSDtfsCounter, 1532 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 4472 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 07:47:08,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 4472 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 07:47:08,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27919 states. [2024-11-22 07:47:10,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27919 to 21399. [2024-11-22 07:47:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21399 states, 15164 states have (on average 1.449749406489053) internal successors, (21984), 15302 states have internal predecessors, (21984), 6090 states have call successors, (6090), 144 states have call predecessors, (6090), 144 states have return successors, (6090), 5952 states have call predecessors, (6090), 6090 states have call successors, (6090) [2024-11-22 07:47:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21399 states to 21399 states and 34164 transitions. [2024-11-22 07:47:10,724 INFO L78 Accepts]: Start accepts. Automaton has 21399 states and 34164 transitions. Word has length 790 [2024-11-22 07:47:10,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:47:10,725 INFO L471 AbstractCegarLoop]: Abstraction has 21399 states and 34164 transitions. [2024-11-22 07:47:10,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 3 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2024-11-22 07:47:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 21399 states and 34164 transitions. [2024-11-22 07:47:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2024-11-22 07:47:10,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:47:10,913 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:47:10,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 07:47:10,913 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:47:10,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:47:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash 659697577, now seen corresponding path program 1 times [2024-11-22 07:47:10,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:47:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593059202] [2024-11-22 07:47:10,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:47:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:47:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:47:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:47:11,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:47:11,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593059202] [2024-11-22 07:47:11,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593059202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:47:11,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:47:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:47:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462952571] [2024-11-22 07:47:11,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:47:11,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:47:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:47:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:47:11,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:11,171 INFO L87 Difference]: Start difference. First operand 21399 states and 34164 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:47:13,783 INFO L93 Difference]: Finished difference Result 64140 states and 102399 transitions. [2024-11-22 07:47:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:47:13,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 790 [2024-11-22 07:47:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:47:14,000 INFO L225 Difference]: With dead ends: 64140 [2024-11-22 07:47:14,001 INFO L226 Difference]: Without dead ends: 42744 [2024-11-22 07:47:14,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:14,074 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 521 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:47:14,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1508 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:47:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42744 states. [2024-11-22 07:47:17,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42744 to 42742. [2024-11-22 07:47:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42742 states, 30273 states have (on average 1.4488818419053282) internal successors, (43862), 30549 states have internal predecessors, (43862), 12180 states have call successors, (12180), 288 states have call predecessors, (12180), 288 states have return successors, (12180), 11904 states have call predecessors, (12180), 12180 states have call successors, (12180) [2024-11-22 07:47:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42742 states to 42742 states and 68222 transitions. [2024-11-22 07:47:18,168 INFO L78 Accepts]: Start accepts. Automaton has 42742 states and 68222 transitions. Word has length 790 [2024-11-22 07:47:18,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:47:18,171 INFO L471 AbstractCegarLoop]: Abstraction has 42742 states and 68222 transitions. [2024-11-22 07:47:18,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42742 states and 68222 transitions. [2024-11-22 07:47:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2024-11-22 07:47:18,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:47:18,206 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:47:18,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 07:47:18,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:47:18,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:47:18,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1080665947, now seen corresponding path program 1 times [2024-11-22 07:47:18,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:47:18,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417252201] [2024-11-22 07:47:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:47:18,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:47:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:47:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:47:19,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:47:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417252201] [2024-11-22 07:47:19,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417252201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:47:19,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:47:19,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:47:19,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011750644] [2024-11-22 07:47:19,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:47:19,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:47:19,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:47:19,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:47:19,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:19,233 INFO L87 Difference]: Start difference. First operand 42742 states and 68222 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:47:25,203 INFO L93 Difference]: Finished difference Result 128220 states and 204660 transitions. [2024-11-22 07:47:25,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:47:25,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 791 [2024-11-22 07:47:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:47:25,695 INFO L225 Difference]: With dead ends: 128220 [2024-11-22 07:47:25,695 INFO L226 Difference]: Without dead ends: 85481 [2024-11-22 07:47:25,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:25,818 INFO L432 NwaCegarLoop]: 724 mSDtfsCounter, 509 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 07:47:25,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1443 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 07:47:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85481 states. [2024-11-22 07:47:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85481 to 85479. [2024-11-22 07:47:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85479 states, 60542 states have (on average 1.447920451917677) internal successors, (87660), 61094 states have internal predecessors, (87660), 24360 states have call successors, (24360), 576 states have call predecessors, (24360), 576 states have return successors, (24360), 23808 states have call predecessors, (24360), 24360 states have call successors, (24360) [2024-11-22 07:47:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85479 states to 85479 states and 136380 transitions. [2024-11-22 07:47:35,517 INFO L78 Accepts]: Start accepts. Automaton has 85479 states and 136380 transitions. Word has length 791 [2024-11-22 07:47:35,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:47:35,519 INFO L471 AbstractCegarLoop]: Abstraction has 85479 states and 136380 transitions. [2024-11-22 07:47:35,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2024-11-22 07:47:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 85479 states and 136380 transitions. [2024-11-22 07:47:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2024-11-22 07:47:35,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:47:35,581 INFO L215 NwaCegarLoop]: trace histogram [123, 123, 123, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:47:35,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 07:47:35,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:47:35,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:47:35,582 INFO L85 PathProgramCache]: Analyzing trace with hash 193443101, now seen corresponding path program 1 times [2024-11-22 07:47:35,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:47:35,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838304416] [2024-11-22 07:47:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:47:35,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:47:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:47:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30012 trivial. 0 not checked. [2024-11-22 07:47:36,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:47:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838304416] [2024-11-22 07:47:36,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838304416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:47:36,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:47:36,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:47:36,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505224824] [2024-11-22 07:47:36,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:47:36,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:47:36,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:47:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:47:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:47:36,234 INFO L87 Difference]: Start difference. First operand 85479 states and 136380 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (123), 1 states have call predecessors, (123), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123)