./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash 56651a36ed493e0e639c74a4009e3ecf23340259e4b22b04b6b0ad71b72e3700 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 05:22:07,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 05:22:07,397 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 05:22:07,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 05:22:07,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 05:22:07,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 05:22:07,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 05:22:07,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 05:22:07,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 05:22:07,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 05:22:07,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 05:22:07,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 05:22:07,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 05:22:07,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 05:22:07,434 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 05:22:07,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 05:22:07,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 05:22:07,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 05:22:07,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 05:22:07,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 05:22:07,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 05:22:07,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 05:22:07,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 05:22:07,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 05:22:07,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 05:22:07,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 05:22:07,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 05:22:07,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 05:22:07,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 05:22:07,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:22:07,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 05:22:07,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 05:22:07,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 05:22:07,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 05:22:07,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 05:22:07,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 05:22:07,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 05:22:07,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 05:22:07,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 05:22:07,446 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56651a36ed493e0e639c74a4009e3ecf23340259e4b22b04b6b0ad71b72e3700 [2024-10-11 05:22:07,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 05:22:07,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 05:22:07,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 05:22:07,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 05:22:07,736 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 05:22:07,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c [2024-10-11 05:22:09,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 05:22:09,692 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 05:22:09,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c [2024-10-11 05:22:09,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3f6378d6e/0be6f09ac7de4456b47f634482d7b0f3/FLAGd1c44c38f [2024-10-11 05:22:09,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3f6378d6e/0be6f09ac7de4456b47f634482d7b0f3 [2024-10-11 05:22:09,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 05:22:09,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 05:22:09,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 05:22:09,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 05:22:09,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 05:22:09,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:22:09" (1/1) ... [2024-10-11 05:22:09,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5759d276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:09, skipping insertion in model container [2024-10-11 05:22:09,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:22:09" (1/1) ... [2024-10-11 05:22:09,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 05:22:10,160 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c[1270,1283] [2024-10-11 05:22:10,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:22:10,854 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 05:22:10,870 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c[1270,1283] [2024-10-11 05:22:11,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:22:11,242 INFO L204 MainTranslator]: Completed translation [2024-10-11 05:22:11,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11 WrapperNode [2024-10-11 05:22:11,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 05:22:11,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 05:22:11,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 05:22:11,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 05:22:11,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:11,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:13,186 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13308 [2024-10-11 05:22:13,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 05:22:13,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 05:22:13,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 05:22:13,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 05:22:13,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:13,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:13,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,113 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 05:22:14,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:14,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:15,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 05:22:15,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 05:22:15,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 05:22:15,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 05:22:15,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (1/1) ... [2024-10-11 05:22:15,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:22:15,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 05:22:15,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 05:22:15,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 05:22:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 05:22:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 05:22:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 05:22:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 05:22:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 05:22:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 05:22:16,021 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 05:22:16,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 05:22:33,238 INFO L? ?]: Removed 7730 outVars from TransFormulas that were not future-live. [2024-10-11 05:22:33,238 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 05:22:33,480 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 05:22:33,481 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 05:22:33,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:22:33 BoogieIcfgContainer [2024-10-11 05:22:33,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 05:22:33,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 05:22:33,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 05:22:33,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 05:22:33,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:22:09" (1/3) ... [2024-10-11 05:22:33,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c70ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:22:33, skipping insertion in model container [2024-10-11 05:22:33,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:22:11" (2/3) ... [2024-10-11 05:22:33,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c70ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:22:33, skipping insertion in model container [2024-10-11 05:22:33,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:22:33" (3/3) ... [2024-10-11 05:22:33,493 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w8_d32_e0.c [2024-10-11 05:22:33,511 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 05:22:33,511 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 05:22:33,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 05:22:33,645 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;@58e1cd8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 05:22:33,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 05:22:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 3651 states, 3632 states have (on average 1.497797356828194) internal successors, (5440), 3633 states have internal predecessors, (5440), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2024-10-11 05:22:33,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:33,717 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:33,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:33,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash -200358278, now seen corresponding path program 1 times [2024-10-11 05:22:33,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:33,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102658906] [2024-10-11 05:22:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:33,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-10-11 05:22:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-10-11 05:22:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-11 05:22:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-10-11 05:22:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-10-11 05:22:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2024-10-11 05:22:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-10-11 05:22:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:35,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:35,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102658906] [2024-10-11 05:22:35,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102658906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:35,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:35,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 05:22:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785773214] [2024-10-11 05:22:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:35,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 05:22:35,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:35,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 05:22:35,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 05:22:35,841 INFO L87 Difference]: Start difference. First operand has 3651 states, 3632 states have (on average 1.497797356828194) internal successors, (5440), 3633 states have internal predecessors, (5440), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:22:36,011 INFO L93 Difference]: Finished difference Result 6560 states and 9849 transitions. [2024-10-11 05:22:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 05:22:36,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 948 [2024-10-11 05:22:36,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:22:36,053 INFO L225 Difference]: With dead ends: 6560 [2024-10-11 05:22:36,053 INFO L226 Difference]: Without dead ends: 3650 [2024-10-11 05:22:36,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 05:22:36,073 INFO L432 NwaCegarLoop]: 5468 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5468 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:22:36,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5468 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:22:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2024-10-11 05:22:36,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 3650. [2024-10-11 05:22:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3650 states, 3632 states have (on average 1.4969713656387664) internal successors, (5437), 3632 states have internal predecessors, (5437), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 5469 transitions. [2024-10-11 05:22:36,251 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 5469 transitions. Word has length 948 [2024-10-11 05:22:36,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:22:36,256 INFO L471 AbstractCegarLoop]: Abstraction has 3650 states and 5469 transitions. [2024-10-11 05:22:36,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5469 transitions. [2024-10-11 05:22:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2024-10-11 05:22:36,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:36,292 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:36,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 05:22:36,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:36,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash 781474650, now seen corresponding path program 1 times [2024-10-11 05:22:36,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:36,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250015404] [2024-10-11 05:22:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-10-11 05:22:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-10-11 05:22:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-11 05:22:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-10-11 05:22:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-10-11 05:22:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2024-10-11 05:22:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-10-11 05:22:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:42,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:42,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250015404] [2024-10-11 05:22:42,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250015404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:42,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:42,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:22:42,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982806770] [2024-10-11 05:22:42,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:42,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:22:42,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:42,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:22:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:22:42,454 INFO L87 Difference]: Start difference. First operand 3650 states and 5469 transitions. Second operand has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:22:42,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:22:42,596 INFO L93 Difference]: Finished difference Result 3654 states and 5473 transitions. [2024-10-11 05:22:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:22:42,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 948 [2024-10-11 05:22:42,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:22:42,615 INFO L225 Difference]: With dead ends: 3654 [2024-10-11 05:22:42,615 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:22:42,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:22:42,621 INFO L432 NwaCegarLoop]: 5466 mSDtfsCounter, 0 mSDsluCounter, 10927 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16393 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:22:42,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16393 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:22:42,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:22:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:22:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.4966978536048432) internal successors, (5439), 3634 states have internal predecessors, (5439), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5471 transitions. [2024-10-11 05:22:42,702 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5471 transitions. Word has length 948 [2024-10-11 05:22:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:22:42,706 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5471 transitions. [2024-10-11 05:22:42,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:22:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5471 transitions. [2024-10-11 05:22:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2024-10-11 05:22:42,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:42,717 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:42,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 05:22:42,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:42,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:42,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1542388929, now seen corresponding path program 1 times [2024-10-11 05:22:42,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:42,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688593633] [2024-10-11 05:22:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:42,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-10-11 05:22:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-10-11 05:22:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-11 05:22:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-10-11 05:22:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-10-11 05:22:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2024-10-11 05:22:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-10-11 05:22:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:45,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688593633] [2024-10-11 05:22:45,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688593633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:45,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:45,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:22:45,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288720063] [2024-10-11 05:22:45,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:45,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:22:45,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:22:45,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:22:45,963 INFO L87 Difference]: Start difference. First operand 3652 states and 5471 transitions. Second operand has 5 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:48,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:22:48,475 INFO L93 Difference]: Finished difference Result 8966 states and 13434 transitions. [2024-10-11 05:22:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 05:22:48,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 949 [2024-10-11 05:22:48,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:22:48,493 INFO L225 Difference]: With dead ends: 8966 [2024-10-11 05:22:48,493 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:22:48,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 05:22:48,504 INFO L432 NwaCegarLoop]: 8442 mSDtfsCounter, 7956 mSDsluCounter, 12656 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7963 SdHoareTripleChecker+Valid, 21098 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:22:48,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7963 Valid, 21098 Invalid, 2176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [261 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 05:22:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:22:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:22:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.49642267473858) internal successors, (5438), 3634 states have internal predecessors, (5438), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5470 transitions. [2024-10-11 05:22:48,597 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5470 transitions. Word has length 949 [2024-10-11 05:22:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:22:48,599 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5470 transitions. [2024-10-11 05:22:48,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5470 transitions. [2024-10-11 05:22:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2024-10-11 05:22:48,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:48,616 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:48,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 05:22:48,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:48,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:48,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1631919641, now seen corresponding path program 1 times [2024-10-11 05:22:48,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:48,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134207503] [2024-10-11 05:22:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:22:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:22:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:22:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:22:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:22:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:22:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:22:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:51,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:51,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134207503] [2024-10-11 05:22:51,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134207503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:51,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:51,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:22:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848603848] [2024-10-11 05:22:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:51,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:22:51,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:51,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:22:51,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:22:51,255 INFO L87 Difference]: Start difference. First operand 3652 states and 5470 transitions. Second operand has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:53,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:22:53,375 INFO L93 Difference]: Finished difference Result 6563 states and 9829 transitions. [2024-10-11 05:22:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:22:53,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 950 [2024-10-11 05:22:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:22:53,389 INFO L225 Difference]: With dead ends: 6563 [2024-10-11 05:22:53,389 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:22:53,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:22:53,395 INFO L432 NwaCegarLoop]: 4173 mSDtfsCounter, 5362 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5371 SdHoareTripleChecker+Valid, 8367 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:22:53,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5371 Valid, 8367 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 05:22:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:22:53,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:22:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.496147495872317) internal successors, (5437), 3634 states have internal predecessors, (5437), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5469 transitions. [2024-10-11 05:22:53,464 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5469 transitions. Word has length 950 [2024-10-11 05:22:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:22:53,465 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5469 transitions. [2024-10-11 05:22:53,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5469 transitions. [2024-10-11 05:22:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 952 [2024-10-11 05:22:53,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:53,475 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:53,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 05:22:53,476 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:53,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -735108405, now seen corresponding path program 1 times [2024-10-11 05:22:53,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:53,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850320532] [2024-10-11 05:22:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:22:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:22:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:22:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:22:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:22:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:22:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:22:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:55,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:55,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850320532] [2024-10-11 05:22:55,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850320532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:55,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:55,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:22:55,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757389767] [2024-10-11 05:22:55,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:55,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:22:55,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:55,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:22:55,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:22:55,654 INFO L87 Difference]: Start difference. First operand 3652 states and 5469 transitions. Second operand has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:22:57,368 INFO L93 Difference]: Finished difference Result 6563 states and 9827 transitions. [2024-10-11 05:22:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:22:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 951 [2024-10-11 05:22:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:22:57,383 INFO L225 Difference]: With dead ends: 6563 [2024-10-11 05:22:57,384 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:22:57,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:22:57,390 INFO L432 NwaCegarLoop]: 4173 mSDtfsCounter, 5298 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5307 SdHoareTripleChecker+Valid, 8367 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 05:22:57,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5307 Valid, 8367 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 05:22:57,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:22:57,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:22:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.495872317006054) internal successors, (5436), 3634 states have internal predecessors, (5436), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:22:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5468 transitions. [2024-10-11 05:22:57,462 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5468 transitions. Word has length 951 [2024-10-11 05:22:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:22:57,464 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5468 transitions. [2024-10-11 05:22:57,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:22:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5468 transitions. [2024-10-11 05:22:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 953 [2024-10-11 05:22:57,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:22:57,476 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:22:57,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 05:22:57,476 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:22:57,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:22:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1846416864, now seen corresponding path program 1 times [2024-10-11 05:22:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:22:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407795538] [2024-10-11 05:22:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:22:57,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:22:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:22:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:22:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:22:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:22:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:22:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:22:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:22:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:22:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:22:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:22:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:22:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:22:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:22:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:22:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:22:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:22:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:22:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:22:59,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:22:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407795538] [2024-10-11 05:22:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407795538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:22:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:22:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:22:59,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351153281] [2024-10-11 05:22:59,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:22:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:22:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:22:59,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:22:59,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:22:59,689 INFO L87 Difference]: Start difference. First operand 3652 states and 5468 transitions. Second operand has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:23:01,326 INFO L93 Difference]: Finished difference Result 6563 states and 9825 transitions. [2024-10-11 05:23:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:23:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 952 [2024-10-11 05:23:01,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:23:01,340 INFO L225 Difference]: With dead ends: 6563 [2024-10-11 05:23:01,341 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:23:01,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:23:01,347 INFO L432 NwaCegarLoop]: 4173 mSDtfsCounter, 9996 mSDsluCounter, 4175 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10005 SdHoareTripleChecker+Valid, 8348 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 05:23:01,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10005 Valid, 8348 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2598 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 05:23:01,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:23:01,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:23:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.4955971381397908) internal successors, (5435), 3634 states have internal predecessors, (5435), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:23:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5467 transitions. [2024-10-11 05:23:01,413 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5467 transitions. Word has length 952 [2024-10-11 05:23:01,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:23:01,415 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5467 transitions. [2024-10-11 05:23:01,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5467 transitions. [2024-10-11 05:23:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2024-10-11 05:23:01,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:23:01,424 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:23:01,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 05:23:01,425 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:23:01,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:23:01,425 INFO L85 PathProgramCache]: Analyzing trace with hash 410446500, now seen corresponding path program 1 times [2024-10-11 05:23:01,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:23:01,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831852080] [2024-10-11 05:23:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:23:01,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:23:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:23:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:23:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:23:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:23:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:23:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:23:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:23:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:23:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:23:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:23:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:23:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:23:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:23:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:23:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:23:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:23:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:23:03,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:23:03,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831852080] [2024-10-11 05:23:03,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831852080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:23:03,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:23:03,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:23:03,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694929204] [2024-10-11 05:23:03,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:23:03,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:23:03,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:23:03,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:23:03,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:23:03,342 INFO L87 Difference]: Start difference. First operand 3652 states and 5467 transitions. Second operand has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:23:05,012 INFO L93 Difference]: Finished difference Result 6563 states and 9823 transitions. [2024-10-11 05:23:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:23:05,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 953 [2024-10-11 05:23:05,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:23:05,036 INFO L225 Difference]: With dead ends: 6563 [2024-10-11 05:23:05,036 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:23:05,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:23:05,044 INFO L432 NwaCegarLoop]: 4173 mSDtfsCounter, 9868 mSDsluCounter, 4175 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9877 SdHoareTripleChecker+Valid, 8348 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 05:23:05,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9877 Valid, 8348 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 05:23:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:23:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:23:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.4953219592735278) internal successors, (5434), 3634 states have internal predecessors, (5434), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:23:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5466 transitions. [2024-10-11 05:23:05,099 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5466 transitions. Word has length 953 [2024-10-11 05:23:05,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:23:05,101 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5466 transitions. [2024-10-11 05:23:05,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5466 transitions. [2024-10-11 05:23:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2024-10-11 05:23:05,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:23:05,111 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:23:05,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 05:23:05,111 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:23:05,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:23:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1700662951, now seen corresponding path program 1 times [2024-10-11 05:23:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:23:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911637933] [2024-10-11 05:23:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:23:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:23:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:23:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:23:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:23:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:23:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:23:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:23:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:23:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:23:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:23:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:23:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:23:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:23:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:23:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:23:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:23:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:23:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:23:07,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:23:07,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911637933] [2024-10-11 05:23:07,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911637933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:23:07,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:23:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:23:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497132707] [2024-10-11 05:23:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:23:07,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:23:07,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:23:07,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:23:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:23:07,230 INFO L87 Difference]: Start difference. First operand 3652 states and 5466 transitions. Second operand has 5 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:08,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:23:08,848 INFO L93 Difference]: Finished difference Result 6563 states and 9821 transitions. [2024-10-11 05:23:08,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:23:08,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 954 [2024-10-11 05:23:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:23:08,857 INFO L225 Difference]: With dead ends: 6563 [2024-10-11 05:23:08,857 INFO L226 Difference]: Without dead ends: 3652 [2024-10-11 05:23:08,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:23:08,862 INFO L432 NwaCegarLoop]: 4173 mSDtfsCounter, 5106 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5115 SdHoareTripleChecker+Valid, 8367 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 05:23:08,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5115 Valid, 8367 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2594 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 05:23:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-10-11 05:23:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-10-11 05:23:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3634 states have (on average 1.4950467804072647) internal successors, (5433), 3634 states have internal predecessors, (5433), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:23:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5465 transitions. [2024-10-11 05:23:08,921 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5465 transitions. Word has length 954 [2024-10-11 05:23:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:23:08,922 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 5465 transitions. [2024-10-11 05:23:08,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 05:23:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5465 transitions. [2024-10-11 05:23:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2024-10-11 05:23:08,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:23:08,931 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:23:08,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 05:23:08,932 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:23:08,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:23:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash 573469181, now seen corresponding path program 1 times [2024-10-11 05:23:08,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:23:08,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961522964] [2024-10-11 05:23:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:23:08,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:23:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:23:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:23:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:23:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:23:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:23:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:23:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:23:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:23:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:23:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:23:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:23:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:23:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:23:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:23:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:23:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:23:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:23:10,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:23:10,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961522964] [2024-10-11 05:23:10,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961522964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:23:10,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:23:10,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:23:10,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745796583] [2024-10-11 05:23:10,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:23:10,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:23:10,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:23:10,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:23:10,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:23:10,912 INFO L87 Difference]: Start difference. First operand 3652 states and 5465 transitions. Second operand has 4 states, 4 states have (on average 219.5) internal successors, (878), 4 states have internal predecessors, (878), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:23:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:23:11,091 INFO L93 Difference]: Finished difference Result 6565 states and 9822 transitions. [2024-10-11 05:23:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:23:11,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 219.5) internal successors, (878), 4 states have internal predecessors, (878), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 955 [2024-10-11 05:23:11,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:23:11,102 INFO L225 Difference]: With dead ends: 6565 [2024-10-11 05:23:11,102 INFO L226 Difference]: Without dead ends: 3654 [2024-10-11 05:23:11,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:23:11,108 INFO L432 NwaCegarLoop]: 5460 mSDtfsCounter, 0 mSDsluCounter, 10912 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16372 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:23:11,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16372 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:23:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3654 states. [2024-10-11 05:23:11,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3654 to 3654. [2024-10-11 05:23:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3636 states have (on average 1.4947744774477447) internal successors, (5435), 3636 states have internal predecessors, (5435), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:23:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5467 transitions. [2024-10-11 05:23:11,182 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5467 transitions. Word has length 955 [2024-10-11 05:23:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:23:11,183 INFO L471 AbstractCegarLoop]: Abstraction has 3654 states and 5467 transitions. [2024-10-11 05:23:11,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 219.5) internal successors, (878), 4 states have internal predecessors, (878), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:23:11,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5467 transitions. [2024-10-11 05:23:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2024-10-11 05:23:11,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:23:11,199 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:23:11,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 05:23:11,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:23:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:23:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -500284971, now seen corresponding path program 1 times [2024-10-11 05:23:11,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:23:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048606585] [2024-10-11 05:23:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:23:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:23:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 05:23:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-11 05:23:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-10-11 05:23:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 05:23:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-10-11 05:23:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-10-11 05:23:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 05:23:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-10-11 05:23:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 05:23:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-10-11 05:23:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 05:23:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 05:23:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 05:23:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 05:23:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 05:23:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:23:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:23:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 05:23:14,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:23:14,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048606585] [2024-10-11 05:23:14,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048606585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:23:14,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:23:14,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:23:14,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806896158] [2024-10-11 05:23:14,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:23:14,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:23:14,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:23:14,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:23:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:23:14,126 INFO L87 Difference]: Start difference. First operand 3654 states and 5467 transitions. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:23:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:23:14,622 INFO L93 Difference]: Finished difference Result 6567 states and 9823 transitions. [2024-10-11 05:23:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:23:14,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 956 [2024-10-11 05:23:14,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:23:14,631 INFO L225 Difference]: With dead ends: 6567 [2024-10-11 05:23:14,631 INFO L226 Difference]: Without dead ends: 3654 [2024-10-11 05:23:14,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:23:14,636 INFO L432 NwaCegarLoop]: 5222 mSDtfsCounter, 4626 mSDsluCounter, 5224 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4626 SdHoareTripleChecker+Valid, 10446 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 05:23:14,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4626 Valid, 10446 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 05:23:14,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3654 states. [2024-10-11 05:23:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3654 to 3654. [2024-10-11 05:23:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3636 states have (on average 1.4944994499449944) internal successors, (5434), 3636 states have internal predecessors, (5434), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 05:23:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5466 transitions. [2024-10-11 05:23:14,695 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5466 transitions. Word has length 956 [2024-10-11 05:23:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:23:14,696 INFO L471 AbstractCegarLoop]: Abstraction has 3654 states and 5466 transitions. [2024-10-11 05:23:14,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 05:23:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5466 transitions. [2024-10-11 05:23:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2024-10-11 05:23:14,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:23:14,706 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:23:14,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 05:23:14,707 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:23:14,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:23:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 107731421, now seen corresponding path program 1 times [2024-10-11 05:23:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:23:14,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582807940] [2024-10-11 05:23:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:23:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms