./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_n3_w16_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe3a1a3acb0436ee9e3040f27a3d04e485e81ec8018684cc3d5cb007401a5124 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 03:18:02,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 03:18:02,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 03:18:02,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 03:18:02,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 03:18:02,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 03:18:02,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 03:18:02,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 03:18:02,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 03:18:02,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 03:18:02,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 03:18:02,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 03:18:02,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 03:18:02,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 03:18:02,419 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 03:18:02,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 03:18:02,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 03:18:02,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 03:18:02,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 03:18:02,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 03:18:02,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 03:18:02,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 03:18:02,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 03:18:02,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 03:18:02,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 03:18:02,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 03:18:02,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 03:18:02,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 03:18:02,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 03:18:02,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:18:02,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 03:18:02,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 03:18:02,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 03:18:02,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 03:18:02,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 03:18:02,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 03:18:02,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 03:18:02,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 03:18:02,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 03:18:02,428 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3a1a3acb0436ee9e3040f27a3d04e485e81ec8018684cc3d5cb007401a5124 [2024-10-24 03:18:02,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 03:18:02,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 03:18:02,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 03:18:02,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 03:18:02,729 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 03:18:02,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2024-10-24 03:18:04,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 03:18:04,590 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 03:18:04,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2024-10-24 03:18:04,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15eb75cdf/72fac9031bf84224aaad368a4a735539/FLAGf71cb09ee [2024-10-24 03:18:04,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15eb75cdf/72fac9031bf84224aaad368a4a735539 [2024-10-24 03:18:04,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 03:18:04,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 03:18:04,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 03:18:04,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 03:18:04,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 03:18:04,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:18:04" (1/1) ... [2024-10-24 03:18:04,857 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 24.10 03:18:04, skipping insertion in model container [2024-10-24 03:18:04,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:18:04" (1/1) ... [2024-10-24 03:18:04,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 03:18:05,161 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_n3_w16_d8_e0.c[1270,1283] [2024-10-24 03:18:05,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:18:05,569 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 03:18:05,578 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_n3_w16_d8_e0.c[1270,1283] [2024-10-24 03:18:05,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:18:05,764 INFO L204 MainTranslator]: Completed translation [2024-10-24 03:18:05,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05 WrapperNode [2024-10-24 03:18:05,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 03:18:05,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 03:18:05,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 03:18:05,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 03:18:05,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:05,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,384 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4202 [2024-10-24 03:18:06,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 03:18:06,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 03:18:06,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 03:18:06,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 03:18:06,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,633 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,779 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]. [2024-10-24 03:18:06,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:06,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:07,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:07,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:07,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 03:18:07,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 03:18:07,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 03:18:07,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 03:18:07,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (1/1) ... [2024-10-24 03:18:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:18:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 03:18:07,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 03:18:07,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 03:18:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 03:18:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 03:18:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 03:18:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 03:18:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 03:18:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 03:18:07,590 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 03:18:07,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 03:18:11,668 INFO L? ?]: Removed 2318 outVars from TransFormulas that were not future-live. [2024-10-24 03:18:11,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 03:18:11,768 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 03:18:11,768 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 03:18:11,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:18:11 BoogieIcfgContainer [2024-10-24 03:18:11,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 03:18:11,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 03:18:11,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 03:18:11,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 03:18:11,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:18:04" (1/3) ... [2024-10-24 03:18:11,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367b318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:18:11, skipping insertion in model container [2024-10-24 03:18:11,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:18:05" (2/3) ... [2024-10-24 03:18:11,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367b318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:18:11, skipping insertion in model container [2024-10-24 03:18:11,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:18:11" (3/3) ... [2024-10-24 03:18:11,779 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2024-10-24 03:18:11,794 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 03:18:11,795 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 03:18:11,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 03:18:11,923 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;@71ff1e26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 03:18:11,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 03:18:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 1287 states, 1274 states have (on average 1.4960753532182103) internal successors, (1906), 1275 states have internal predecessors, (1906), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-24 03:18:11,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:11,965 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:11,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:11,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1396431749, now seen corresponding path program 1 times [2024-10-24 03:18:11,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:11,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477247546] [2024-10-24 03:18:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 03:18:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 03:18:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 03:18:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 03:18:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 03:18:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 03:18:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:12,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:12,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477247546] [2024-10-24 03:18:12,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477247546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:12,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:12,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 03:18:12,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906366621] [2024-10-24 03:18:12,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:12,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 03:18:12,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:12,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 03:18:12,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 03:18:12,788 INFO L87 Difference]: Start difference. First operand has 1287 states, 1274 states have (on average 1.4960753532182103) internal successors, (1906), 1275 states have internal predecessors, (1906), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:12,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:12,885 INFO L93 Difference]: Finished difference Result 2408 states and 3615 transitions. [2024-10-24 03:18:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 03:18:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 468 [2024-10-24 03:18:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:12,920 INFO L225 Difference]: With dead ends: 2408 [2024-10-24 03:18:12,921 INFO L226 Difference]: Without dead ends: 1286 [2024-10-24 03:18:12,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 03:18:12,933 INFO L432 NwaCegarLoop]: 1922 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, 1922 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 [2024-10-24 03:18:12,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1922 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:18:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-10-24 03:18:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2024-10-24 03:18:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1274 states have (on average 1.4937205651491365) internal successors, (1903), 1274 states have internal predecessors, (1903), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1923 transitions. [2024-10-24 03:18:13,039 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1923 transitions. Word has length 468 [2024-10-24 03:18:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:13,040 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1923 transitions. [2024-10-24 03:18:13,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1923 transitions. [2024-10-24 03:18:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-24 03:18:13,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:13,054 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:13,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 03:18:13,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:13,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:13,056 INFO L85 PathProgramCache]: Analyzing trace with hash -504426511, now seen corresponding path program 1 times [2024-10-24 03:18:13,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:13,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665668380] [2024-10-24 03:18:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:13,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 03:18:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 03:18:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 03:18:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 03:18:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 03:18:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 03:18:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665668380] [2024-10-24 03:18:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665668380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:15,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:15,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35134316] [2024-10-24 03:18:15,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:15,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:15,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:15,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:15,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:15,451 INFO L87 Difference]: Start difference. First operand 1286 states and 1923 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:16,320 INFO L93 Difference]: Finished difference Result 2406 states and 3598 transitions. [2024-10-24 03:18:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:16,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 468 [2024-10-24 03:18:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:16,329 INFO L225 Difference]: With dead ends: 2406 [2024-10-24 03:18:16,329 INFO L226 Difference]: Without dead ends: 1285 [2024-10-24 03:18:16,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:16,333 INFO L432 NwaCegarLoop]: 1477 mSDtfsCounter, 1633 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:16,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 2956 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 03:18:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-10-24 03:18:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2024-10-24 03:18:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1273 states have (on average 1.492537313432836) internal successors, (1900), 1273 states have internal predecessors, (1900), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1920 transitions. [2024-10-24 03:18:16,365 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1920 transitions. Word has length 468 [2024-10-24 03:18:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:16,367 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1920 transitions. [2024-10-24 03:18:16,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1920 transitions. [2024-10-24 03:18:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-24 03:18:16,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:16,376 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:16,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 03:18:16,376 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:16,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:16,377 INFO L85 PathProgramCache]: Analyzing trace with hash -847950468, now seen corresponding path program 1 times [2024-10-24 03:18:16,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:16,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831971590] [2024-10-24 03:18:16,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:16,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 03:18:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 03:18:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 03:18:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 03:18:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 03:18:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 03:18:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:17,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:17,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831971590] [2024-10-24 03:18:17,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831971590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:17,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:17,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:17,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581091378] [2024-10-24 03:18:17,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:17,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:17,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:17,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:17,499 INFO L87 Difference]: Start difference. First operand 1285 states and 1920 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:18,171 INFO L93 Difference]: Finished difference Result 2653 states and 3964 transitions. [2024-10-24 03:18:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:18:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 469 [2024-10-24 03:18:18,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:18,178 INFO L225 Difference]: With dead ends: 2653 [2024-10-24 03:18:18,179 INFO L226 Difference]: Without dead ends: 1285 [2024-10-24 03:18:18,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:18:18,182 INFO L432 NwaCegarLoop]: 1897 mSDtfsCounter, 2310 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:18,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 5285 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 03:18:18,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-10-24 03:18:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2024-10-24 03:18:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1273 states have (on average 1.4917517674783976) internal successors, (1899), 1273 states have internal predecessors, (1899), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1919 transitions. [2024-10-24 03:18:18,208 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1919 transitions. Word has length 469 [2024-10-24 03:18:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:18,209 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1919 transitions. [2024-10-24 03:18:18,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1919 transitions. [2024-10-24 03:18:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-10-24 03:18:18,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:18,217 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:18,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 03:18:18,217 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:18,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:18,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1150847993, now seen corresponding path program 1 times [2024-10-24 03:18:18,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:18,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429094580] [2024-10-24 03:18:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:19,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:19,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429094580] [2024-10-24 03:18:19,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429094580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:19,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:19,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:19,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114545563] [2024-10-24 03:18:19,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:19,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:19,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:19,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:19,337 INFO L87 Difference]: Start difference. First operand 1285 states and 1919 transitions. Second operand has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:20,106 INFO L93 Difference]: Finished difference Result 2405 states and 3591 transitions. [2024-10-24 03:18:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:20,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 470 [2024-10-24 03:18:20,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:20,112 INFO L225 Difference]: With dead ends: 2405 [2024-10-24 03:18:20,113 INFO L226 Difference]: Without dead ends: 1285 [2024-10-24 03:18:20,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:20,116 INFO L432 NwaCegarLoop]: 1477 mSDtfsCounter, 1828 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:20,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 2969 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 03:18:20,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-10-24 03:18:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2024-10-24 03:18:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1273 states have (on average 1.4909662215239592) internal successors, (1898), 1273 states have internal predecessors, (1898), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1918 transitions. [2024-10-24 03:18:20,144 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1918 transitions. Word has length 470 [2024-10-24 03:18:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:20,145 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1918 transitions. [2024-10-24 03:18:20,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1918 transitions. [2024-10-24 03:18:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-10-24 03:18:20,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:20,153 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:20,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 03:18:20,154 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:20,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1195671073, now seen corresponding path program 1 times [2024-10-24 03:18:20,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:20,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121657211] [2024-10-24 03:18:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:21,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:21,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121657211] [2024-10-24 03:18:21,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121657211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:21,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:21,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:21,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042453772] [2024-10-24 03:18:21,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:21,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:21,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:21,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:21,328 INFO L87 Difference]: Start difference. First operand 1285 states and 1918 transitions. Second operand has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:22,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:22,143 INFO L93 Difference]: Finished difference Result 2405 states and 3589 transitions. [2024-10-24 03:18:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 471 [2024-10-24 03:18:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:22,151 INFO L225 Difference]: With dead ends: 2405 [2024-10-24 03:18:22,152 INFO L226 Difference]: Without dead ends: 1285 [2024-10-24 03:18:22,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:22,159 INFO L432 NwaCegarLoop]: 1477 mSDtfsCounter, 3241 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:22,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 2956 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 03:18:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-10-24 03:18:22,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2024-10-24 03:18:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1273 states have (on average 1.4901806755695208) internal successors, (1897), 1273 states have internal predecessors, (1897), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1917 transitions. [2024-10-24 03:18:22,193 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1917 transitions. Word has length 471 [2024-10-24 03:18:22,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:22,194 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1917 transitions. [2024-10-24 03:18:22,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1917 transitions. [2024-10-24 03:18:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-10-24 03:18:22,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:22,204 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:22,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 03:18:22,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:22,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:22,206 INFO L85 PathProgramCache]: Analyzing trace with hash 331050585, now seen corresponding path program 1 times [2024-10-24 03:18:22,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:22,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156509913] [2024-10-24 03:18:22,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:22,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:23,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:23,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156509913] [2024-10-24 03:18:23,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156509913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:23,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:23,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:23,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358813543] [2024-10-24 03:18:23,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:23,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:23,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:23,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:23,680 INFO L87 Difference]: Start difference. First operand 1285 states and 1917 transitions. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:23,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:23,732 INFO L93 Difference]: Finished difference Result 1289 states and 1921 transitions. [2024-10-24 03:18:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:23,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 472 [2024-10-24 03:18:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:23,740 INFO L225 Difference]: With dead ends: 1289 [2024-10-24 03:18:23,741 INFO L226 Difference]: Without dead ends: 1287 [2024-10-24 03:18:23,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:23,743 INFO L432 NwaCegarLoop]: 1914 mSDtfsCounter, 0 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5737 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 [2024-10-24 03:18:23,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5737 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:18:23,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-10-24 03:18:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1287. [2024-10-24 03:18:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1275 states have (on average 1.4894117647058824) internal successors, (1899), 1275 states have internal predecessors, (1899), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1919 transitions. [2024-10-24 03:18:23,772 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1919 transitions. Word has length 472 [2024-10-24 03:18:23,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:23,773 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1919 transitions. [2024-10-24 03:18:23,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1919 transitions. [2024-10-24 03:18:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-10-24 03:18:23,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:23,778 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:23,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 03:18:23,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:23,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:23,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1674331342, now seen corresponding path program 1 times [2024-10-24 03:18:23,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:23,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131207096] [2024-10-24 03:18:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:23,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:24,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:24,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131207096] [2024-10-24 03:18:24,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131207096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:24,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:24,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:24,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598985236] [2024-10-24 03:18:24,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:24,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:24,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:24,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:24,745 INFO L87 Difference]: Start difference. First operand 1287 states and 1919 transitions. Second operand has 4 states, 4 states have (on average 106.5) internal successors, (426), 4 states have internal predecessors, (426), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:24,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:24,805 INFO L93 Difference]: Finished difference Result 2411 states and 3594 transitions. [2024-10-24 03:18:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:24,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.5) internal successors, (426), 4 states have internal predecessors, (426), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 473 [2024-10-24 03:18:24,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:24,812 INFO L225 Difference]: With dead ends: 2411 [2024-10-24 03:18:24,812 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:24,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:24,816 INFO L432 NwaCegarLoop]: 1914 mSDtfsCounter, 0 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5734 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 [2024-10-24 03:18:24,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5734 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:18:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4886452623335944) internal successors, (1901), 1277 states have internal predecessors, (1901), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1921 transitions. [2024-10-24 03:18:24,842 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1921 transitions. Word has length 473 [2024-10-24 03:18:24,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:24,843 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1921 transitions. [2024-10-24 03:18:24,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.5) internal successors, (426), 4 states have internal predecessors, (426), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1921 transitions. [2024-10-24 03:18:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2024-10-24 03:18:24,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:24,847 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:24,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 03:18:24,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:24,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash -733299246, now seen corresponding path program 1 times [2024-10-24 03:18:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:24,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718439839] [2024-10-24 03:18:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:26,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718439839] [2024-10-24 03:18:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718439839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:26,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:26,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:26,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627014392] [2024-10-24 03:18:26,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:26,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:26,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:26,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:26,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:26,135 INFO L87 Difference]: Start difference. First operand 1289 states and 1921 transitions. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:26,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:26,346 INFO L93 Difference]: Finished difference Result 2413 states and 3595 transitions. [2024-10-24 03:18:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:26,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 474 [2024-10-24 03:18:26,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:26,354 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:26,354 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:26,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:26,358 INFO L432 NwaCegarLoop]: 1830 mSDtfsCounter, 1694 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 3662 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:26,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 3662 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4878621769772906) internal successors, (1900), 1277 states have internal predecessors, (1900), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1920 transitions. [2024-10-24 03:18:26,388 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1920 transitions. Word has length 474 [2024-10-24 03:18:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:26,388 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1920 transitions. [2024-10-24 03:18:26,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1920 transitions. [2024-10-24 03:18:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-10-24 03:18:26,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:26,393 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:26,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 03:18:26,393 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:26,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:26,393 INFO L85 PathProgramCache]: Analyzing trace with hash -939594774, now seen corresponding path program 1 times [2024-10-24 03:18:26,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:26,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943451970] [2024-10-24 03:18:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:27,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:27,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943451970] [2024-10-24 03:18:27,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943451970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:27,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:27,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:27,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731954836] [2024-10-24 03:18:27,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:27,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:27,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:27,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:27,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:27,346 INFO L87 Difference]: Start difference. First operand 1289 states and 1920 transitions. Second operand has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:27,555 INFO L93 Difference]: Finished difference Result 2415 states and 3595 transitions. [2024-10-24 03:18:27,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:18:27,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 475 [2024-10-24 03:18:27,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:27,563 INFO L225 Difference]: With dead ends: 2415 [2024-10-24 03:18:27,563 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:27,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:18:27,568 INFO L432 NwaCegarLoop]: 1903 mSDtfsCounter, 1697 mSDsluCounter, 3744 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 5647 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:27,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 5647 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 03:18:27,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4870790916209866) internal successors, (1899), 1277 states have internal predecessors, (1899), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1919 transitions. [2024-10-24 03:18:27,610 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1919 transitions. Word has length 475 [2024-10-24 03:18:27,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:27,611 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1919 transitions. [2024-10-24 03:18:27,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1919 transitions. [2024-10-24 03:18:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-10-24 03:18:27,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:27,619 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:27,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 03:18:27,619 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:27,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1977590677, now seen corresponding path program 1 times [2024-10-24 03:18:27,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:27,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717301756] [2024-10-24 03:18:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:28,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:28,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717301756] [2024-10-24 03:18:28,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717301756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:28,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:28,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:28,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838168935] [2024-10-24 03:18:28,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:28,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:28,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:28,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:28,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:28,595 INFO L87 Difference]: Start difference. First operand 1289 states and 1919 transitions. Second operand has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:28,818 INFO L93 Difference]: Finished difference Result 2413 states and 3591 transitions. [2024-10-24 03:18:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:28,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 476 [2024-10-24 03:18:28,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:28,825 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:28,825 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:28,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:28,828 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 1820 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:28,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 3673 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:28,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:28,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4862960062646828) internal successors, (1898), 1277 states have internal predecessors, (1898), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1918 transitions. [2024-10-24 03:18:28,857 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1918 transitions. Word has length 476 [2024-10-24 03:18:28,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:28,858 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1918 transitions. [2024-10-24 03:18:28,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1918 transitions. [2024-10-24 03:18:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-10-24 03:18:28,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:28,862 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:28,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 03:18:28,863 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:28,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:28,864 INFO L85 PathProgramCache]: Analyzing trace with hash 570844721, now seen corresponding path program 1 times [2024-10-24 03:18:28,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:28,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873410082] [2024-10-24 03:18:28,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:28,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:29,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873410082] [2024-10-24 03:18:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873410082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:29,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:29,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433526646] [2024-10-24 03:18:29,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:29,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:29,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:29,784 INFO L87 Difference]: Start difference. First operand 1289 states and 1918 transitions. Second operand has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:30,065 INFO L93 Difference]: Finished difference Result 2413 states and 3589 transitions. [2024-10-24 03:18:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:30,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 477 [2024-10-24 03:18:30,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:30,073 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:30,073 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:30,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:30,075 INFO L432 NwaCegarLoop]: 1830 mSDtfsCounter, 1816 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 3675 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:30,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 3675 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:30,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.485512920908379) internal successors, (1897), 1277 states have internal predecessors, (1897), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1917 transitions. [2024-10-24 03:18:30,102 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1917 transitions. Word has length 477 [2024-10-24 03:18:30,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:30,102 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1917 transitions. [2024-10-24 03:18:30,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1917 transitions. [2024-10-24 03:18:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-10-24 03:18:30,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:30,106 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:30,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 03:18:30,107 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:30,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:30,107 INFO L85 PathProgramCache]: Analyzing trace with hash -876427118, now seen corresponding path program 1 times [2024-10-24 03:18:30,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:30,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164679279] [2024-10-24 03:18:30,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:30,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:30,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:30,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164679279] [2024-10-24 03:18:30,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164679279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:30,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556971343] [2024-10-24 03:18:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:30,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:30,951 INFO L87 Difference]: Start difference. First operand 1289 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:31,170 INFO L93 Difference]: Finished difference Result 2413 states and 3587 transitions. [2024-10-24 03:18:31,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:31,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 478 [2024-10-24 03:18:31,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:31,176 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:31,176 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:31,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:31,178 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 1745 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:31,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 3673 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:31,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:31,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4847298355520753) internal successors, (1896), 1277 states have internal predecessors, (1896), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1916 transitions. [2024-10-24 03:18:31,208 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1916 transitions. Word has length 478 [2024-10-24 03:18:31,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:31,211 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1916 transitions. [2024-10-24 03:18:31,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1916 transitions. [2024-10-24 03:18:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-10-24 03:18:31,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:31,215 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:31,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 03:18:31,215 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:31,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1359321967, now seen corresponding path program 1 times [2024-10-24 03:18:31,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:31,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470910701] [2024-10-24 03:18:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:31,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:32,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:32,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470910701] [2024-10-24 03:18:32,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470910701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:32,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:32,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:32,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559165575] [2024-10-24 03:18:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:32,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:32,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:32,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:32,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:32,091 INFO L87 Difference]: Start difference. First operand 1289 states and 1916 transitions. Second operand has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:32,291 INFO L93 Difference]: Finished difference Result 2413 states and 3585 transitions. [2024-10-24 03:18:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 479 [2024-10-24 03:18:32,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:32,302 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:32,304 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:32,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:32,307 INFO L432 NwaCegarLoop]: 1830 mSDtfsCounter, 1741 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3675 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:32,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 3675 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:32,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:32,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4839467501957713) internal successors, (1895), 1277 states have internal predecessors, (1895), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1915 transitions. [2024-10-24 03:18:32,339 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1915 transitions. Word has length 479 [2024-10-24 03:18:32,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:32,340 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1915 transitions. [2024-10-24 03:18:32,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1915 transitions. [2024-10-24 03:18:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-10-24 03:18:32,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:32,345 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:32,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 03:18:32,345 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:32,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash -2058005781, now seen corresponding path program 1 times [2024-10-24 03:18:32,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:32,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085644673] [2024-10-24 03:18:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:32,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:33,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:33,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085644673] [2024-10-24 03:18:33,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085644673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:33,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:33,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169893407] [2024-10-24 03:18:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:33,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:33,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:33,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:33,639 INFO L87 Difference]: Start difference. First operand 1289 states and 1915 transitions. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:33,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:33,832 INFO L93 Difference]: Finished difference Result 2413 states and 3583 transitions. [2024-10-24 03:18:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:33,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 480 [2024-10-24 03:18:33,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:33,837 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:33,838 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:33,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:33,840 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 1689 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:33,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 3660 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:33,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4831636648394675) internal successors, (1894), 1277 states have internal predecessors, (1894), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1914 transitions. [2024-10-24 03:18:33,864 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1914 transitions. Word has length 480 [2024-10-24 03:18:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:33,865 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1914 transitions. [2024-10-24 03:18:33,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1914 transitions. [2024-10-24 03:18:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-10-24 03:18:33,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:33,868 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:33,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 03:18:33,869 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:33,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash 7454093, now seen corresponding path program 1 times [2024-10-24 03:18:33,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:33,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759441903] [2024-10-24 03:18:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:35,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:35,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759441903] [2024-10-24 03:18:35,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759441903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:35,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:35,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:35,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695865162] [2024-10-24 03:18:35,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:35,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:35,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:35,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:35,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:35,523 INFO L87 Difference]: Start difference. First operand 1289 states and 1914 transitions. Second operand has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:35,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:35,742 INFO L93 Difference]: Finished difference Result 2413 states and 3581 transitions. [2024-10-24 03:18:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:35,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 481 [2024-10-24 03:18:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:35,751 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:35,751 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:35,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:35,755 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 1614 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:35,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 3660 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:35,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.4823805794831637) internal successors, (1893), 1277 states have internal predecessors, (1893), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1913 transitions. [2024-10-24 03:18:35,784 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1913 transitions. Word has length 481 [2024-10-24 03:18:35,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:35,785 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1913 transitions. [2024-10-24 03:18:35,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1913 transitions. [2024-10-24 03:18:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-10-24 03:18:35,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:35,791 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:35,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 03:18:35,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:35,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:35,792 INFO L85 PathProgramCache]: Analyzing trace with hash 68827500, now seen corresponding path program 1 times [2024-10-24 03:18:35,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:35,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727074372] [2024-10-24 03:18:35,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:35,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:37,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:37,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727074372] [2024-10-24 03:18:37,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727074372] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:37,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:37,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:37,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063890350] [2024-10-24 03:18:37,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:37,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:37,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:37,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:37,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:37,249 INFO L87 Difference]: Start difference. First operand 1289 states and 1913 transitions. Second operand has 4 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:37,441 INFO L93 Difference]: Finished difference Result 2413 states and 3579 transitions. [2024-10-24 03:18:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:37,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 482 [2024-10-24 03:18:37,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:37,446 INFO L225 Difference]: With dead ends: 2413 [2024-10-24 03:18:37,447 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 03:18:37,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:37,449 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 1539 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:37,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 3660 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:18:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 03:18:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-10-24 03:18:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1277 states have (on average 1.48159749412686) internal successors, (1892), 1277 states have internal predecessors, (1892), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1912 transitions. [2024-10-24 03:18:37,474 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1912 transitions. Word has length 482 [2024-10-24 03:18:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:37,475 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1912 transitions. [2024-10-24 03:18:37,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 03:18:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1912 transitions. [2024-10-24 03:18:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-10-24 03:18:37,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:37,479 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:37,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 03:18:37,479 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:37,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:37,479 INFO L85 PathProgramCache]: Analyzing trace with hash -916364788, now seen corresponding path program 1 times [2024-10-24 03:18:37,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:37,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256670448] [2024-10-24 03:18:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:39,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256670448] [2024-10-24 03:18:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256670448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:39,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:39,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:39,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724578162] [2024-10-24 03:18:39,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:39,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:39,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:39,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:39,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:39,530 INFO L87 Difference]: Start difference. First operand 1289 states and 1912 transitions. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:40,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:40,364 INFO L93 Difference]: Finished difference Result 2417 states and 3583 transitions. [2024-10-24 03:18:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:18:40,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 483 [2024-10-24 03:18:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:40,370 INFO L225 Difference]: With dead ends: 2417 [2024-10-24 03:18:40,370 INFO L226 Difference]: Without dead ends: 1293 [2024-10-24 03:18:40,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:40,373 INFO L432 NwaCegarLoop]: 1487 mSDtfsCounter, 1750 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 4435 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:40,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 4435 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 03:18:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2024-10-24 03:18:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1291. [2024-10-24 03:18:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1279 states have (on average 1.4808444096950744) internal successors, (1894), 1279 states have internal predecessors, (1894), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1914 transitions. [2024-10-24 03:18:40,398 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1914 transitions. Word has length 483 [2024-10-24 03:18:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:40,399 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1914 transitions. [2024-10-24 03:18:40,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1914 transitions. [2024-10-24 03:18:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2024-10-24 03:18:40,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:40,403 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:40,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 03:18:40,403 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:40,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:40,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1699881810, now seen corresponding path program 1 times [2024-10-24 03:18:40,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:40,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625423088] [2024-10-24 03:18:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:40,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:42,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:42,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625423088] [2024-10-24 03:18:42,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625423088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:42,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:42,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:18:42,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556262613] [2024-10-24 03:18:42,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:42,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:18:42,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:42,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:18:42,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:42,690 INFO L87 Difference]: Start difference. First operand 1291 states and 1914 transitions. Second operand has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:43,544 INFO L93 Difference]: Finished difference Result 2421 states and 3587 transitions. [2024-10-24 03:18:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:18:43,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 484 [2024-10-24 03:18:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:43,550 INFO L225 Difference]: With dead ends: 2421 [2024-10-24 03:18:43,551 INFO L226 Difference]: Without dead ends: 1295 [2024-10-24 03:18:43,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:18:43,554 INFO L432 NwaCegarLoop]: 1487 mSDtfsCounter, 1675 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:43,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 4422 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 03:18:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-10-24 03:18:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1293. [2024-10-24 03:18:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1281 states have (on average 1.4800936768149884) internal successors, (1896), 1281 states have internal predecessors, (1896), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1916 transitions. [2024-10-24 03:18:43,577 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1916 transitions. Word has length 484 [2024-10-24 03:18:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:43,578 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1916 transitions. [2024-10-24 03:18:43,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1916 transitions. [2024-10-24 03:18:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2024-10-24 03:18:43,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:43,582 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:43,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 03:18:43,582 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:43,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash -784010931, now seen corresponding path program 1 times [2024-10-24 03:18:43,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:43,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747377540] [2024-10-24 03:18:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:43,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 03:18:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 03:18:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 03:18:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 03:18:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 03:18:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 03:18:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 03:18:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:45,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:45,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747377540] [2024-10-24 03:18:45,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747377540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:45,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:45,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 03:18:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711199669] [2024-10-24 03:18:45,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:45,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 03:18:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:45,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 03:18:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:45,663 INFO L87 Difference]: Start difference. First operand 1293 states and 1916 transitions. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:46,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:46,306 INFO L93 Difference]: Finished difference Result 3546 states and 5251 transitions. [2024-10-24 03:18:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:18:46,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 485 [2024-10-24 03:18:46,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:46,325 INFO L225 Difference]: With dead ends: 3546 [2024-10-24 03:18:46,325 INFO L226 Difference]: Without dead ends: 2398 [2024-10-24 03:18:46,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 03:18:46,333 INFO L432 NwaCegarLoop]: 1949 mSDtfsCounter, 1601 mSDsluCounter, 7337 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 9286 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:46,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 9286 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 03:18:46,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2024-10-24 03:18:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 1382. [2024-10-24 03:18:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1367 states have (on average 1.4791514264813461) internal successors, (2022), 1367 states have internal predecessors, (2022), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:18:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2048 transitions. [2024-10-24 03:18:46,374 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2048 transitions. Word has length 485 [2024-10-24 03:18:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:46,375 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2048 transitions. [2024-10-24 03:18:46,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2048 transitions. [2024-10-24 03:18:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-10-24 03:18:46,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:46,380 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:46,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 03:18:46,380 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:46,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:46,381 INFO L85 PathProgramCache]: Analyzing trace with hash -844519185, now seen corresponding path program 1 times [2024-10-24 03:18:46,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:46,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506942852] [2024-10-24 03:18:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 03:18:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 03:18:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 03:18:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 03:18:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 03:18:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 03:18:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 03:18:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 03:18:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 03:18:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 03:18:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:47,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506942852] [2024-10-24 03:18:47,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506942852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:47,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:47,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:18:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380969887] [2024-10-24 03:18:47,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:47,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:18:47,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:47,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:18:47,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:47,550 INFO L87 Difference]: Start difference. First operand 1382 states and 2048 transitions. Second operand has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:48,042 INFO L93 Difference]: Finished difference Result 2530 states and 3746 transitions. [2024-10-24 03:18:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:18:48,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 486 [2024-10-24 03:18:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:48,047 INFO L225 Difference]: With dead ends: 2530 [2024-10-24 03:18:48,047 INFO L226 Difference]: Without dead ends: 1382 [2024-10-24 03:18:48,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:18:48,050 INFO L432 NwaCegarLoop]: 1900 mSDtfsCounter, 14 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:48,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5286 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 03:18:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-10-24 03:18:48,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1293. [2024-10-24 03:18:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1281 states have (on average 1.479313036690086) internal successors, (1895), 1281 states have internal predecessors, (1895), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 03:18:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1915 transitions. [2024-10-24 03:18:48,083 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1915 transitions. Word has length 486 [2024-10-24 03:18:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:48,083 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1915 transitions. [2024-10-24 03:18:48,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1915 transitions. [2024-10-24 03:18:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-10-24 03:18:48,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:48,087 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:48,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 03:18:48,088 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:48,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash -449003612, now seen corresponding path program 1 times [2024-10-24 03:18:48,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:48,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974282824] [2024-10-24 03:18:48,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 03:18:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 03:18:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 03:18:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 03:18:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 03:18:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 03:18:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 03:18:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974282824] [2024-10-24 03:18:50,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974282824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:50,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:50,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 03:18:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424609220] [2024-10-24 03:18:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:50,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 03:18:50,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:50,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 03:18:50,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:50,163 INFO L87 Difference]: Start difference. First operand 1293 states and 1915 transitions. Second operand has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:51,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:51,411 INFO L93 Difference]: Finished difference Result 3526 states and 5219 transitions. [2024-10-24 03:18:51,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:18:51,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 486 [2024-10-24 03:18:51,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:51,419 INFO L225 Difference]: With dead ends: 3526 [2024-10-24 03:18:51,420 INFO L226 Difference]: Without dead ends: 2398 [2024-10-24 03:18:51,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:18:51,427 INFO L432 NwaCegarLoop]: 1567 mSDtfsCounter, 3378 mSDsluCounter, 4563 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 6130 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:51,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 6130 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1850 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 03:18:51,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2024-10-24 03:18:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 1383. [2024-10-24 03:18:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1368 states have (on average 1.4780701754385965) internal successors, (2022), 1368 states have internal predecessors, (2022), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:18:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2048 transitions. [2024-10-24 03:18:51,473 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 2048 transitions. Word has length 486 [2024-10-24 03:18:51,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:51,473 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 2048 transitions. [2024-10-24 03:18:51,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:18:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2048 transitions. [2024-10-24 03:18:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-10-24 03:18:51,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:51,477 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:51,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 03:18:51,478 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:51,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:51,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1970207810, now seen corresponding path program 1 times [2024-10-24 03:18:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:51,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275960143] [2024-10-24 03:18:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:51,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 03:18:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 03:18:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 03:18:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 03:18:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 03:18:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 03:18:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 03:18:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 03:18:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 03:18:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 03:18:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:53,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:53,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275960143] [2024-10-24 03:18:53,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275960143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:53,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:53,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 03:18:53,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797187962] [2024-10-24 03:18:53,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:53,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 03:18:53,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:53,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 03:18:53,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:18:53,148 INFO L87 Difference]: Start difference. First operand 1383 states and 2048 transitions. Second operand has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:54,517 INFO L93 Difference]: Finished difference Result 3635 states and 5381 transitions. [2024-10-24 03:18:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:18:54,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 487 [2024-10-24 03:18:54,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:54,526 INFO L225 Difference]: With dead ends: 3635 [2024-10-24 03:18:54,526 INFO L226 Difference]: Without dead ends: 2507 [2024-10-24 03:18:54,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:18:54,532 INFO L432 NwaCegarLoop]: 3062 mSDtfsCounter, 3392 mSDsluCounter, 5584 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 8646 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:54,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 8646 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 03:18:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2024-10-24 03:18:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2505. [2024-10-24 03:18:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 2480 states have (on average 1.4778225806451613) internal successors, (3665), 2480 states have internal predecessors, (3665), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 03:18:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3711 transitions. [2024-10-24 03:18:54,595 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3711 transitions. Word has length 487 [2024-10-24 03:18:54,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:54,595 INFO L471 AbstractCegarLoop]: Abstraction has 2505 states and 3711 transitions. [2024-10-24 03:18:54,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3711 transitions. [2024-10-24 03:18:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-10-24 03:18:54,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:54,601 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:54,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 03:18:54,602 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:54,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -494992528, now seen corresponding path program 1 times [2024-10-24 03:18:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:54,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489436419] [2024-10-24 03:18:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:18:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:18:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:18:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 03:18:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 03:18:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 03:18:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 03:18:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 03:18:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 03:18:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 03:18:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:18:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:18:56,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:18:56,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489436419] [2024-10-24 03:18:56,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489436419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:18:56,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:18:56,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 03:18:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468376458] [2024-10-24 03:18:56,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:18:56,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 03:18:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:18:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 03:18:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 03:18:56,658 INFO L87 Difference]: Start difference. First operand 2505 states and 3711 transitions. Second operand has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:18:58,133 INFO L93 Difference]: Finished difference Result 7064 states and 10460 transitions. [2024-10-24 03:18:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 03:18:58,134 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 487 [2024-10-24 03:18:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:18:58,144 INFO L225 Difference]: With dead ends: 7064 [2024-10-24 03:18:58,144 INFO L226 Difference]: Without dead ends: 4814 [2024-10-24 03:18:58,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-24 03:18:58,150 INFO L432 NwaCegarLoop]: 1633 mSDtfsCounter, 6322 mSDsluCounter, 11271 mSDsCounter, 0 mSdLazyCounter, 3076 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6337 SdHoareTripleChecker+Valid, 12904 SdHoareTripleChecker+Invalid, 3090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:18:58,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6337 Valid, 12904 Invalid, 3090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 3076 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 03:18:58,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4814 states. [2024-10-24 03:18:58,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4814 to 2898. [2024-10-24 03:18:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2857 states have (on average 1.4756737836891844) internal successors, (4216), 2857 states have internal predecessors, (4216), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 03:18:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 4294 transitions. [2024-10-24 03:18:58,235 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 4294 transitions. Word has length 487 [2024-10-24 03:18:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:18:58,236 INFO L471 AbstractCegarLoop]: Abstraction has 2898 states and 4294 transitions. [2024-10-24 03:18:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 03:18:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 4294 transitions. [2024-10-24 03:18:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2024-10-24 03:18:58,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:18:58,244 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:18:58,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 03:18:58,245 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:18:58,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:18:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1767377813, now seen corresponding path program 1 times [2024-10-24 03:18:58,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:18:58,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566653272] [2024-10-24 03:18:58,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:18:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:18:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:19:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:19:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:19:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 03:19:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 03:19:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 03:19:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 03:19:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 03:19:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 03:19:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 03:19:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:19:00,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:19:00,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566653272] [2024-10-24 03:19:00,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566653272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:19:00,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:19:00,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 03:19:00,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330547411] [2024-10-24 03:19:00,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:19:00,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 03:19:00,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:19:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 03:19:00,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:19:00,221 INFO L87 Difference]: Start difference. First operand 2898 states and 4294 transitions. Second operand has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:19:00,407 INFO L93 Difference]: Finished difference Result 5360 states and 7940 transitions. [2024-10-24 03:19:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 03:19:00,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 488 [2024-10-24 03:19:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:19:00,413 INFO L225 Difference]: With dead ends: 5360 [2024-10-24 03:19:00,413 INFO L226 Difference]: Without dead ends: 2930 [2024-10-24 03:19:00,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 03:19:00,417 INFO L432 NwaCegarLoop]: 1877 mSDtfsCounter, 1772 mSDsluCounter, 7483 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 9360 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 03:19:00,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 9360 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 03:19:00,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-10-24 03:19:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2918. [2024-10-24 03:19:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2877 states have (on average 1.4737573861661453) internal successors, (4240), 2877 states have internal predecessors, (4240), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 03:19:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4318 transitions. [2024-10-24 03:19:00,474 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4318 transitions. Word has length 488 [2024-10-24 03:19:00,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:19:00,474 INFO L471 AbstractCegarLoop]: Abstraction has 2918 states and 4318 transitions. [2024-10-24 03:19:00,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4318 transitions. [2024-10-24 03:19:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-10-24 03:19:00,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:19:00,480 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:19:00,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 03:19:00,481 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:19:00,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:19:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1424883288, now seen corresponding path program 1 times [2024-10-24 03:19:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:19:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423788163] [2024-10-24 03:19:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:19:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:19:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:19:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:19:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:19:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 03:19:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 03:19:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 03:19:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 03:19:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 03:19:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 03:19:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 03:19:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:19:01,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:19:01,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423788163] [2024-10-24 03:19:01,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423788163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:19:01,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:19:01,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 03:19:01,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541603407] [2024-10-24 03:19:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:19:01,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 03:19:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:19:01,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 03:19:01,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:19:01,377 INFO L87 Difference]: Start difference. First operand 2918 states and 4318 transitions. Second operand has 6 states, 6 states have (on average 73.66666666666667) internal successors, (442), 6 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:19:02,233 INFO L93 Difference]: Finished difference Result 5358 states and 7928 transitions. [2024-10-24 03:19:02,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:19:02,233 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.66666666666667) internal successors, (442), 6 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 489 [2024-10-24 03:19:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:19:02,239 INFO L225 Difference]: With dead ends: 5358 [2024-10-24 03:19:02,239 INFO L226 Difference]: Without dead ends: 2934 [2024-10-24 03:19:02,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:19:02,245 INFO L432 NwaCegarLoop]: 1485 mSDtfsCounter, 1878 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 03:19:02,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 5877 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 03:19:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2024-10-24 03:19:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2926. [2024-10-24 03:19:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2885 states have (on average 1.4724436741767764) internal successors, (4248), 2885 states have internal predecessors, (4248), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 03:19:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4326 transitions. [2024-10-24 03:19:02,298 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4326 transitions. Word has length 489 [2024-10-24 03:19:02,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:19:02,299 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 4326 transitions. [2024-10-24 03:19:02,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.66666666666667) internal successors, (442), 6 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4326 transitions. [2024-10-24 03:19:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-10-24 03:19:02,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:19:02,305 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:19:02,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 03:19:02,306 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:19:02,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:19:02,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1273192950, now seen corresponding path program 1 times [2024-10-24 03:19:02,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:19:02,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807408240] [2024-10-24 03:19:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:19:02,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:19:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:19:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:19:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:19:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 03:19:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 03:19:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 03:19:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 03:19:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 03:19:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 03:19:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 03:19:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:19:02,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:19:02,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807408240] [2024-10-24 03:19:02,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807408240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:19:02,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:19:02,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:19:02,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640404724] [2024-10-24 03:19:02,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:19:02,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:19:02,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:19:02,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:19:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:19:02,975 INFO L87 Difference]: Start difference. First operand 2926 states and 4326 transitions. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:19:03,058 INFO L93 Difference]: Finished difference Result 5394 states and 7974 transitions. [2024-10-24 03:19:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:19:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 489 [2024-10-24 03:19:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:19:03,064 INFO L225 Difference]: With dead ends: 5394 [2024-10-24 03:19:03,065 INFO L226 Difference]: Without dead ends: 2934 [2024-10-24 03:19:03,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:19:03,069 INFO L432 NwaCegarLoop]: 1904 mSDtfsCounter, 0 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:19:03,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5681 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:19:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2024-10-24 03:19:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2934. [2024-10-24 03:19:03,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2893 states have (on average 1.4711372277912202) internal successors, (4256), 2893 states have internal predecessors, (4256), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 03:19:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 4334 transitions. [2024-10-24 03:19:03,127 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 4334 transitions. Word has length 489 [2024-10-24 03:19:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:19:03,127 INFO L471 AbstractCegarLoop]: Abstraction has 2934 states and 4334 transitions. [2024-10-24 03:19:03,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 4334 transitions. [2024-10-24 03:19:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-10-24 03:19:03,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:19:03,134 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:19:03,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 03:19:03,134 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:19:03,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:19:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1666140882, now seen corresponding path program 1 times [2024-10-24 03:19:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:19:03,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747839110] [2024-10-24 03:19:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:19:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:19:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 03:19:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 03:19:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 03:19:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 03:19:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 03:19:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 03:19:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 03:19:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 03:19:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 03:19:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 03:19:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:19:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 03:19:04,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:19:04,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747839110] [2024-10-24 03:19:04,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747839110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:19:04,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:19:04,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:19:04,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426227002] [2024-10-24 03:19:04,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:19:04,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:19:04,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:19:04,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:19:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:19:04,116 INFO L87 Difference]: Start difference. First operand 2934 states and 4334 transitions. Second operand has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:04,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:19:04,246 INFO L93 Difference]: Finished difference Result 5366 states and 7930 transitions. [2024-10-24 03:19:04,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:19:04,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 490 [2024-10-24 03:19:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:19:04,253 INFO L225 Difference]: With dead ends: 5366 [2024-10-24 03:19:04,253 INFO L226 Difference]: Without dead ends: 2926 [2024-10-24 03:19:04,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:19:04,259 INFO L432 NwaCegarLoop]: 1881 mSDtfsCounter, 1760 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 3774 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 03:19:04,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 3774 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 03:19:04,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2024-10-24 03:19:04,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2926. [2024-10-24 03:19:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2885 states have (on average 1.47105719237435) internal successors, (4244), 2885 states have internal predecessors, (4244), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 03:19:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4322 transitions. [2024-10-24 03:19:04,312 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4322 transitions. Word has length 490 [2024-10-24 03:19:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:19:04,313 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 4322 transitions. [2024-10-24 03:19:04,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 03:19:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4322 transitions. [2024-10-24 03:19:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-10-24 03:19:04,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:19:04,318 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 03:19:04,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 03:19:04,319 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:19:04,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:19:04,319 INFO L85 PathProgramCache]: Analyzing trace with hash 579656722, now seen corresponding path program 1 times [2024-10-24 03:19:04,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:19:04,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216114167] [2024-10-24 03:19:04,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:19:04,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms