./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_n2_w8_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_n2_w8_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 bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:24:00,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:24:00,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 00:24:00,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:24:00,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:24:00,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:24:00,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:24:00,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:24:00,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:24:00,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:24:00,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:24:00,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:24:00,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:24:00,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:24:00,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:24:00,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:24:00,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:24:00,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 00:24:00,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:24:00,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:24:00,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:24:00,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:24:00,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:24:00,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:24:00,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:24:00,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:24:00,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:24:00,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:24:00,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:24:00,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:24:00,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:24:00,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:24:00,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:24:00,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:24:00,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 [2024-11-20 00:24:00,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:24:00,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:24:00,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:24:00,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:24:00,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:24:00,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-20 00:24:02,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:24:02,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:24:02,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-20 00:24:02,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b998457b/791a497043b046708183a0eb05934894/FLAG5a27b2932 [2024-11-20 00:24:02,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b998457b/791a497043b046708183a0eb05934894 [2024-11-20 00:24:02,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:24:02,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:24:02,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:24:02,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:24:02,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:24:02,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:24:02" (1/1) ... [2024-11-20 00:24:02,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42329bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:02, skipping insertion in model container [2024-11-20 00:24:02,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:24:02" (1/1) ... [2024-11-20 00:24:02,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:24:02,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-11-20 00:24:03,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:24:03,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:24:03,150 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-11-20 00:24:03,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:24:03,248 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:24:03,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03 WrapperNode [2024-11-20 00:24:03,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:24:03,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:24:03,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:24:03,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:24:03,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,470 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2623 [2024-11-20 00:24:03,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:24:03,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:24:03,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:24:03,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:24:03,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,689 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 00:24:03,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:24:03,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:24:03,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:24:03,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:24:03,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (1/1) ... [2024-11-20 00:24:03,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:24:03,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:24:03,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 00:24:03,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 00:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 00:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 00:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 00:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:24:04,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:24:04,174 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:24:06,338 INFO L? ?]: Removed 1452 outVars from TransFormulas that were not future-live. [2024-11-20 00:24:06,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:24:06,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:24:06,371 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:24:06,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:24:06 BoogieIcfgContainer [2024-11-20 00:24:06,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:24:06,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:24:06,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:24:06,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:24:06,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:24:02" (1/3) ... [2024-11-20 00:24:06,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243d9ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:24:06, skipping insertion in model container [2024-11-20 00:24:06,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:24:03" (2/3) ... [2024-11-20 00:24:06,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243d9ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:24:06, skipping insertion in model container [2024-11-20 00:24:06,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:24:06" (3/3) ... [2024-11-20 00:24:06,382 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-20 00:24:06,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:24:06,397 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:24:06,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:24:06,487 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;@1b8ad96e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:24:06,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:24:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 776 states, 766 states have (on average 1.4934725848563968) internal successors, (1144), 767 states have internal predecessors, (1144), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 00:24:06,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:06,513 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:06,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:06,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash 534288516, now seen corresponding path program 1 times [2024-11-20 00:24:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:06,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875704565] [2024-11-20 00:24:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:07,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:07,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875704565] [2024-11-20 00:24:07,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875704565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:07,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:07,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 00:24:07,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519298238] [2024-11-20 00:24:07,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:07,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 00:24:07,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:07,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 00:24:07,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 00:24:07,050 INFO L87 Difference]: Start difference. First operand has 776 states, 766 states have (on average 1.4934725848563968) internal successors, (1144), 767 states have internal predecessors, (1144), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:07,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:07,126 INFO L93 Difference]: Finished difference Result 1431 states and 2145 transitions. [2024-11-20 00:24:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 00:24:07,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 263 [2024-11-20 00:24:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:07,150 INFO L225 Difference]: With dead ends: 1431 [2024-11-20 00:24:07,150 INFO L226 Difference]: Without dead ends: 773 [2024-11-20 00:24:07,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 00:24:07,160 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:07,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:24:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-20 00:24:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2024-11-20 00:24:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 764 states have (on average 1.4908376963350785) internal successors, (1139), 764 states have internal predecessors, (1139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1153 transitions. [2024-11-20 00:24:07,237 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1153 transitions. Word has length 263 [2024-11-20 00:24:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:07,238 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1153 transitions. [2024-11-20 00:24:07,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1153 transitions. [2024-11-20 00:24:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 00:24:07,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:07,243 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:07,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 00:24:07,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:07,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash -550844618, now seen corresponding path program 1 times [2024-11-20 00:24:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:07,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993543340] [2024-11-20 00:24:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:08,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:08,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993543340] [2024-11-20 00:24:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993543340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:08,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:08,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:08,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247347453] [2024-11-20 00:24:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:08,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:08,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:08,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:08,577 INFO L87 Difference]: Start difference. First operand 773 states and 1153 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:08,616 INFO L93 Difference]: Finished difference Result 777 states and 1157 transitions. [2024-11-20 00:24:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 263 [2024-11-20 00:24:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:08,621 INFO L225 Difference]: With dead ends: 777 [2024-11-20 00:24:08,621 INFO L226 Difference]: Without dead ends: 775 [2024-11-20 00:24:08,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:08,623 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 0 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:08,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3447 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:24:08,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-20 00:24:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2024-11-20 00:24:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 766 states have (on average 1.489556135770235) internal successors, (1141), 766 states have internal predecessors, (1141), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1155 transitions. [2024-11-20 00:24:08,648 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1155 transitions. Word has length 263 [2024-11-20 00:24:08,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:08,655 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1155 transitions. [2024-11-20 00:24:08,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1155 transitions. [2024-11-20 00:24:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 00:24:08,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:08,660 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:08,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 00:24:08,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:08,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:08,661 INFO L85 PathProgramCache]: Analyzing trace with hash 105382597, now seen corresponding path program 1 times [2024-11-20 00:24:08,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:08,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61429427] [2024-11-20 00:24:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:08,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:09,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:09,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61429427] [2024-11-20 00:24:09,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61429427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:09,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:09,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452385247] [2024-11-20 00:24:09,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:09,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:09,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:09,308 INFO L87 Difference]: Start difference. First operand 775 states and 1155 transitions. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:09,876 INFO L93 Difference]: Finished difference Result 1967 states and 2935 transitions. [2024-11-20 00:24:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 264 [2024-11-20 00:24:09,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:09,881 INFO L225 Difference]: With dead ends: 1967 [2024-11-20 00:24:09,881 INFO L226 Difference]: Without dead ends: 775 [2024-11-20 00:24:09,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:24:09,883 INFO L432 NwaCegarLoop]: 1249 mSDtfsCounter, 2208 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:09,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 3359 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:24:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-20 00:24:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2024-11-20 00:24:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 766 states have (on average 1.4882506527415145) internal successors, (1140), 766 states have internal predecessors, (1140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1154 transitions. [2024-11-20 00:24:09,902 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1154 transitions. Word has length 264 [2024-11-20 00:24:09,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:09,902 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1154 transitions. [2024-11-20 00:24:09,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1154 transitions. [2024-11-20 00:24:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-20 00:24:09,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:09,905 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:09,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 00:24:09,906 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:09,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:09,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1710643497, now seen corresponding path program 1 times [2024-11-20 00:24:09,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:09,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373662130] [2024-11-20 00:24:09,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:09,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:10,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373662130] [2024-11-20 00:24:10,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373662130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:10,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:10,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:10,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264212023] [2024-11-20 00:24:10,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:10,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:10,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:10,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:10,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:10,448 INFO L87 Difference]: Start difference. First operand 775 states and 1154 transitions. Second operand has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:10,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:10,900 INFO L93 Difference]: Finished difference Result 1432 states and 2132 transitions. [2024-11-20 00:24:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:10,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 265 [2024-11-20 00:24:10,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:10,904 INFO L225 Difference]: With dead ends: 1432 [2024-11-20 00:24:10,905 INFO L226 Difference]: Without dead ends: 775 [2024-11-20 00:24:10,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:10,906 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 2050 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:10,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 1680 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-20 00:24:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2024-11-20 00:24:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 766 states have (on average 1.4869451697127938) internal successors, (1139), 766 states have internal predecessors, (1139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1153 transitions. [2024-11-20 00:24:10,920 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1153 transitions. Word has length 265 [2024-11-20 00:24:10,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:10,920 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1153 transitions. [2024-11-20 00:24:10,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1153 transitions. [2024-11-20 00:24:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-20 00:24:10,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:10,923 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:10,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 00:24:10,924 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:10,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash 254325290, now seen corresponding path program 1 times [2024-11-20 00:24:10,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:10,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206374221] [2024-11-20 00:24:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:11,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:11,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206374221] [2024-11-20 00:24:11,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206374221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:11,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:11,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:11,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192876189] [2024-11-20 00:24:11,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:11,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:11,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:11,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:11,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:11,533 INFO L87 Difference]: Start difference. First operand 775 states and 1153 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:11,562 INFO L93 Difference]: Finished difference Result 1434 states and 2133 transitions. [2024-11-20 00:24:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:11,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 266 [2024-11-20 00:24:11,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:11,566 INFO L225 Difference]: With dead ends: 1434 [2024-11-20 00:24:11,566 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:11,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:11,567 INFO L432 NwaCegarLoop]: 1149 mSDtfsCounter, 0 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3437 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:11,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3437 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:24:11,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.4856770833333333) internal successors, (1141), 768 states have internal predecessors, (1141), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1155 transitions. [2024-11-20 00:24:11,580 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1155 transitions. Word has length 266 [2024-11-20 00:24:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:11,581 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1155 transitions. [2024-11-20 00:24:11,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1155 transitions. [2024-11-20 00:24:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-20 00:24:11,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:11,583 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:11,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 00:24:11,583 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:11,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:11,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1803815126, now seen corresponding path program 1 times [2024-11-20 00:24:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:11,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968063667] [2024-11-20 00:24:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:12,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:12,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968063667] [2024-11-20 00:24:12,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968063667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:12,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:12,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:12,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388632687] [2024-11-20 00:24:12,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:12,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:12,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:12,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:12,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:12,248 INFO L87 Difference]: Start difference. First operand 777 states and 1155 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:12,351 INFO L93 Difference]: Finished difference Result 1436 states and 2134 transitions. [2024-11-20 00:24:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:12,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 267 [2024-11-20 00:24:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:12,355 INFO L225 Difference]: With dead ends: 1436 [2024-11-20 00:24:12,355 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:12,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:12,356 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 990 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:12,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 2196 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:12,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:12,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.4830729166666667) internal successors, (1139), 768 states have internal predecessors, (1139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1153 transitions. [2024-11-20 00:24:12,369 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1153 transitions. Word has length 267 [2024-11-20 00:24:12,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:12,370 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1153 transitions. [2024-11-20 00:24:12,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1153 transitions. [2024-11-20 00:24:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-20 00:24:12,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:12,372 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:12,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 00:24:12,372 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:12,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:12,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2089807245, now seen corresponding path program 1 times [2024-11-20 00:24:12,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:12,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138398674] [2024-11-20 00:24:12,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:12,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:12,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138398674] [2024-11-20 00:24:12,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138398674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:12,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:12,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:12,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570040937] [2024-11-20 00:24:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:12,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:12,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:12,912 INFO L87 Difference]: Start difference. First operand 777 states and 1153 transitions. Second operand has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:13,025 INFO L93 Difference]: Finished difference Result 1436 states and 2130 transitions. [2024-11-20 00:24:13,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:13,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 269 [2024-11-20 00:24:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:13,028 INFO L225 Difference]: With dead ends: 1436 [2024-11-20 00:24:13,028 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:13,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:13,033 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 1128 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:13,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 2207 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.4817708333333333) internal successors, (1138), 768 states have internal predecessors, (1138), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1152 transitions. [2024-11-20 00:24:13,049 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1152 transitions. Word has length 269 [2024-11-20 00:24:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:13,049 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1152 transitions. [2024-11-20 00:24:13,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1152 transitions. [2024-11-20 00:24:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-20 00:24:13,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:13,052 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:13,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 00:24:13,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:13,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:13,053 INFO L85 PathProgramCache]: Analyzing trace with hash -881042333, now seen corresponding path program 1 times [2024-11-20 00:24:13,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:13,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511423360] [2024-11-20 00:24:13,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:13,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:13,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511423360] [2024-11-20 00:24:13,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511423360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:13,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:13,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:13,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523631447] [2024-11-20 00:24:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:13,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:13,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:13,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:13,574 INFO L87 Difference]: Start difference. First operand 777 states and 1152 transitions. Second operand has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:13,679 INFO L93 Difference]: Finished difference Result 1436 states and 2128 transitions. [2024-11-20 00:24:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 270 [2024-11-20 00:24:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:13,682 INFO L225 Difference]: With dead ends: 1436 [2024-11-20 00:24:13,683 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:13,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:13,684 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 2033 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:13,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 2196 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.48046875) internal successors, (1137), 768 states have internal predecessors, (1137), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1151 transitions. [2024-11-20 00:24:13,701 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1151 transitions. Word has length 270 [2024-11-20 00:24:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:13,702 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1151 transitions. [2024-11-20 00:24:13,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1151 transitions. [2024-11-20 00:24:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-20 00:24:13,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:13,704 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:13,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 00:24:13,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:13,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:13,705 INFO L85 PathProgramCache]: Analyzing trace with hash 921758237, now seen corresponding path program 1 times [2024-11-20 00:24:13,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:13,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218888185] [2024-11-20 00:24:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:14,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:14,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218888185] [2024-11-20 00:24:14,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218888185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:14,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:14,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424947268] [2024-11-20 00:24:14,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:14,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:14,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:14,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:14,171 INFO L87 Difference]: Start difference. First operand 777 states and 1151 transitions. Second operand has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:14,287 INFO L93 Difference]: Finished difference Result 1436 states and 2126 transitions. [2024-11-20 00:24:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:14,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 271 [2024-11-20 00:24:14,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:14,290 INFO L225 Difference]: With dead ends: 1436 [2024-11-20 00:24:14,290 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:14,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:14,291 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 2025 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:14,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 2196 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.4791666666666667) internal successors, (1136), 768 states have internal predecessors, (1136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1150 transitions. [2024-11-20 00:24:14,337 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1150 transitions. Word has length 271 [2024-11-20 00:24:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:14,337 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1150 transitions. [2024-11-20 00:24:14,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1150 transitions. [2024-11-20 00:24:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-20 00:24:14,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:14,342 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:14,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 00:24:14,342 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:14,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:14,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1185451100, now seen corresponding path program 1 times [2024-11-20 00:24:14,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:14,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675157395] [2024-11-20 00:24:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:14,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:15,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:15,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675157395] [2024-11-20 00:24:15,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675157395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:15,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:15,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:15,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297633053] [2024-11-20 00:24:15,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:15,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:15,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:15,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:15,271 INFO L87 Difference]: Start difference. First operand 777 states and 1150 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:15,377 INFO L93 Difference]: Finished difference Result 1436 states and 2124 transitions. [2024-11-20 00:24:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:15,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 272 [2024-11-20 00:24:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:15,380 INFO L225 Difference]: With dead ends: 1436 [2024-11-20 00:24:15,380 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:24:15,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:15,382 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 943 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:15,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 2196 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:15,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:24:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:24:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.4778645833333333) internal successors, (1135), 768 states have internal predecessors, (1135), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 00:24:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1149 transitions. [2024-11-20 00:24:15,397 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1149 transitions. Word has length 272 [2024-11-20 00:24:15,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:15,397 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1149 transitions. [2024-11-20 00:24:15,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1149 transitions. [2024-11-20 00:24:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-20 00:24:15,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:15,400 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:15,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 00:24:15,400 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:15,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1513266791, now seen corresponding path program 1 times [2024-11-20 00:24:15,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:15,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165228239] [2024-11-20 00:24:15,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 00:24:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 00:24:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 00:24:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 00:24:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 00:24:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:16,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:16,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165228239] [2024-11-20 00:24:16,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165228239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:16,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:16,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 00:24:16,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101919225] [2024-11-20 00:24:16,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:16,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 00:24:16,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:16,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 00:24:16,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:16,413 INFO L87 Difference]: Start difference. First operand 777 states and 1149 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:16,781 INFO L93 Difference]: Finished difference Result 2180 states and 3224 transitions. [2024-11-20 00:24:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:16,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 273 [2024-11-20 00:24:16,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:16,786 INFO L225 Difference]: With dead ends: 2180 [2024-11-20 00:24:16,786 INFO L226 Difference]: Without dead ends: 1421 [2024-11-20 00:24:16,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:24:16,788 INFO L432 NwaCegarLoop]: 1207 mSDtfsCounter, 1028 mSDsluCounter, 4395 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 5602 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:16,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 5602 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:24:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-20 00:24:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 836. [2024-11-20 00:24:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 825 states have (on average 1.4763636363636363) internal successors, (1218), 825 states have internal predecessors, (1218), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1236 transitions. [2024-11-20 00:24:16,809 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1236 transitions. Word has length 273 [2024-11-20 00:24:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:16,809 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1236 transitions. [2024-11-20 00:24:16,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1236 transitions. [2024-11-20 00:24:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-20 00:24:16,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:16,812 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:16,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 00:24:16,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:16,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:16,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1416401385, now seen corresponding path program 1 times [2024-11-20 00:24:16,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:16,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34750696] [2024-11-20 00:24:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 00:24:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 00:24:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 00:24:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 00:24:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 00:24:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:17,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34750696] [2024-11-20 00:24:17,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34750696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:17,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:17,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 00:24:17,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843647913] [2024-11-20 00:24:17,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:17,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 00:24:17,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:17,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 00:24:17,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:24:17,907 INFO L87 Difference]: Start difference. First operand 836 states and 1236 transitions. Second operand has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:18,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:18,691 INFO L93 Difference]: Finished difference Result 1499 states and 2215 transitions. [2024-11-20 00:24:18,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:18,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 274 [2024-11-20 00:24:18,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:18,695 INFO L225 Difference]: With dead ends: 1499 [2024-11-20 00:24:18,695 INFO L226 Difference]: Without dead ends: 840 [2024-11-20 00:24:18,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 00:24:18,696 INFO L432 NwaCegarLoop]: 827 mSDtfsCounter, 1126 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:18,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 3304 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 00:24:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-20 00:24:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 838. [2024-11-20 00:24:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 827 states have (on average 1.4740024183796856) internal successors, (1219), 827 states have internal predecessors, (1219), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1237 transitions. [2024-11-20 00:24:18,712 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1237 transitions. Word has length 274 [2024-11-20 00:24:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:18,713 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1237 transitions. [2024-11-20 00:24:18,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1237 transitions. [2024-11-20 00:24:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-20 00:24:18,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:18,716 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:18,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 00:24:18,717 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:18,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:18,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1396462582, now seen corresponding path program 1 times [2024-11-20 00:24:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:18,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133578393] [2024-11-20 00:24:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 00:24:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 00:24:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 00:24:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 00:24:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 00:24:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:20,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:20,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133578393] [2024-11-20 00:24:20,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133578393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:20,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:20,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 00:24:20,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501470848] [2024-11-20 00:24:20,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:20,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 00:24:20,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:20,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 00:24:20,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:24:20,133 INFO L87 Difference]: Start difference. First operand 838 states and 1237 transitions. Second operand has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:20,302 INFO L93 Difference]: Finished difference Result 1507 states and 2222 transitions. [2024-11-20 00:24:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 00:24:20,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 275 [2024-11-20 00:24:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:20,306 INFO L225 Difference]: With dead ends: 1507 [2024-11-20 00:24:20,306 INFO L226 Difference]: Without dead ends: 846 [2024-11-20 00:24:20,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:24:20,308 INFO L432 NwaCegarLoop]: 1122 mSDtfsCounter, 1051 mSDsluCounter, 4375 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 5497 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:20,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 5497 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-20 00:24:20,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 843. [2024-11-20 00:24:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 832 states have (on average 1.4723557692307692) internal successors, (1225), 832 states have internal predecessors, (1225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1243 transitions. [2024-11-20 00:24:20,326 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1243 transitions. Word has length 275 [2024-11-20 00:24:20,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:20,327 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1243 transitions. [2024-11-20 00:24:20,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1243 transitions. [2024-11-20 00:24:20,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-20 00:24:20,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:20,330 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:20,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 00:24:20,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:20,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:20,330 INFO L85 PathProgramCache]: Analyzing trace with hash 751324486, now seen corresponding path program 1 times [2024-11-20 00:24:20,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:20,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122313227] [2024-11-20 00:24:20,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:20,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 00:24:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 00:24:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 00:24:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 00:24:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 00:24:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:21,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:21,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122313227] [2024-11-20 00:24:21,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122313227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:21,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:21,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 00:24:21,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521209410] [2024-11-20 00:24:21,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:21,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 00:24:21,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:21,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 00:24:21,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:24:21,400 INFO L87 Difference]: Start difference. First operand 843 states and 1243 transitions. Second operand has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 00:24:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:22,102 INFO L93 Difference]: Finished difference Result 1513 states and 2229 transitions. [2024-11-20 00:24:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 276 [2024-11-20 00:24:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:22,105 INFO L225 Difference]: With dead ends: 1513 [2024-11-20 00:24:22,106 INFO L226 Difference]: Without dead ends: 847 [2024-11-20 00:24:22,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 00:24:22,107 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 2131 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 3289 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:22,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 3289 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 00:24:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-20 00:24:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2024-11-20 00:24:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 834 states have (on average 1.4700239808153477) internal successors, (1226), 834 states have internal predecessors, (1226), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1244 transitions. [2024-11-20 00:24:22,127 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1244 transitions. Word has length 276 [2024-11-20 00:24:22,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:22,128 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1244 transitions. [2024-11-20 00:24:22,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 00:24:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1244 transitions. [2024-11-20 00:24:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-20 00:24:22,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:22,130 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:22,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 00:24:22,130 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:22,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:22,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1344322566, now seen corresponding path program 1 times [2024-11-20 00:24:22,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:22,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671198794] [2024-11-20 00:24:22,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 00:24:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 00:24:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 00:24:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 00:24:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 00:24:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:23,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:23,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671198794] [2024-11-20 00:24:23,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671198794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:23,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393877158] [2024-11-20 00:24:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:23,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:23,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:23,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:23,250 INFO L87 Difference]: Start difference. First operand 845 states and 1244 transitions. Second operand has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:23,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:23,293 INFO L93 Difference]: Finished difference Result 1681 states and 2469 transitions. [2024-11-20 00:24:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:24:23,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 277 [2024-11-20 00:24:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:23,296 INFO L225 Difference]: With dead ends: 1681 [2024-11-20 00:24:23,296 INFO L226 Difference]: Without dead ends: 1013 [2024-11-20 00:24:23,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:23,299 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 150 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 4539 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:23,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 4539 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:24:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-11-20 00:24:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1011. [2024-11-20 00:24:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1000 states have (on average 1.466) internal successors, (1466), 1000 states have internal predecessors, (1466), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1484 transitions. [2024-11-20 00:24:23,314 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1484 transitions. Word has length 277 [2024-11-20 00:24:23,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:23,314 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1484 transitions. [2024-11-20 00:24:23,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1484 transitions. [2024-11-20 00:24:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 00:24:23,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:23,317 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:23,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 00:24:23,317 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:23,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:23,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405663, now seen corresponding path program 1 times [2024-11-20 00:24:23,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:23,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658152011] [2024-11-20 00:24:23,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:23,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 00:24:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 00:24:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 00:24:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 00:24:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 00:24:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:23,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658152011] [2024-11-20 00:24:23,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658152011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:23,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:23,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:23,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033531240] [2024-11-20 00:24:23,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:23,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:23,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:23,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:23,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:24,004 INFO L87 Difference]: Start difference. First operand 1011 states and 1484 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:24,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:24,400 INFO L93 Difference]: Finished difference Result 1845 states and 2705 transitions. [2024-11-20 00:24:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:24,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 278 [2024-11-20 00:24:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:24,405 INFO L225 Difference]: With dead ends: 1845 [2024-11-20 00:24:24,405 INFO L226 Difference]: Without dead ends: 1011 [2024-11-20 00:24:24,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:24,407 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 1062 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:24,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 1678 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2024-11-20 00:24:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2024-11-20 00:24:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1000 states have (on average 1.464) internal successors, (1464), 1000 states have internal predecessors, (1464), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 00:24:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1482 transitions. [2024-11-20 00:24:24,425 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1482 transitions. Word has length 278 [2024-11-20 00:24:24,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:24,426 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1482 transitions. [2024-11-20 00:24:24,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1482 transitions. [2024-11-20 00:24:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-20 00:24:24,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:24,428 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:24,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 00:24:24,428 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:24,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1388493010, now seen corresponding path program 1 times [2024-11-20 00:24:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:24,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470527711] [2024-11-20 00:24:24,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:24,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 00:24:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 00:24:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 00:24:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 00:24:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 00:24:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:25,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:25,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470527711] [2024-11-20 00:24:25,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470527711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:25,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:25,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 00:24:25,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606361611] [2024-11-20 00:24:25,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:25,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 00:24:25,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:25,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 00:24:25,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 00:24:25,832 INFO L87 Difference]: Start difference. First operand 1011 states and 1482 transitions. Second operand has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 00:24:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:26,946 INFO L93 Difference]: Finished difference Result 2913 states and 4262 transitions. [2024-11-20 00:24:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 00:24:26,946 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 279 [2024-11-20 00:24:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:26,953 INFO L225 Difference]: With dead ends: 2913 [2024-11-20 00:24:26,954 INFO L226 Difference]: Without dead ends: 2079 [2024-11-20 00:24:26,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-20 00:24:26,956 INFO L432 NwaCegarLoop]: 915 mSDtfsCounter, 2953 mSDsluCounter, 6455 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:26,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2968 Valid, 7370 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 00:24:26,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2024-11-20 00:24:26,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1317. [2024-11-20 00:24:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 1293 states have (on average 1.4578499613302398) internal successors, (1885), 1293 states have internal predecessors, (1885), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 00:24:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1929 transitions. [2024-11-20 00:24:26,983 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1929 transitions. Word has length 279 [2024-11-20 00:24:26,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:26,984 INFO L471 AbstractCegarLoop]: Abstraction has 1317 states and 1929 transitions. [2024-11-20 00:24:26,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 00:24:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1929 transitions. [2024-11-20 00:24:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-20 00:24:26,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:26,986 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:26,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 00:24:26,987 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:26,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1058689370, now seen corresponding path program 1 times [2024-11-20 00:24:26,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:26,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097807534] [2024-11-20 00:24:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 00:24:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 00:24:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 00:24:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 00:24:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 00:24:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 00:24:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 00:24:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:27,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:27,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097807534] [2024-11-20 00:24:27,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097807534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:27,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:27,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 00:24:27,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157801309] [2024-11-20 00:24:27,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:27,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 00:24:27,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:27,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 00:24:27,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:24:27,809 INFO L87 Difference]: Start difference. First operand 1317 states and 1929 transitions. Second operand has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:28,212 INFO L93 Difference]: Finished difference Result 2736 states and 3994 transitions. [2024-11-20 00:24:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 00:24:28,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 280 [2024-11-20 00:24:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:28,217 INFO L225 Difference]: With dead ends: 2736 [2024-11-20 00:24:28,217 INFO L226 Difference]: Without dead ends: 1335 [2024-11-20 00:24:28,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-20 00:24:28,219 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 1264 mSDsluCounter, 4394 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 5580 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:28,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 5580 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:24:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2024-11-20 00:24:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1325. [2024-11-20 00:24:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1301 states have (on average 1.4511913912375096) internal successors, (1888), 1301 states have internal predecessors, (1888), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 00:24:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1932 transitions. [2024-11-20 00:24:28,241 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1932 transitions. Word has length 280 [2024-11-20 00:24:28,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:28,241 INFO L471 AbstractCegarLoop]: Abstraction has 1325 states and 1932 transitions. [2024-11-20 00:24:28,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1932 transitions. [2024-11-20 00:24:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-20 00:24:28,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:28,244 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:28,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 00:24:28,244 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:28,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2087192491, now seen corresponding path program 1 times [2024-11-20 00:24:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:28,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928290815] [2024-11-20 00:24:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:28,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 00:24:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 00:24:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:29,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:29,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928290815] [2024-11-20 00:24:29,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928290815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:29,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:29,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 00:24:29,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143396480] [2024-11-20 00:24:29,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:29,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 00:24:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 00:24:29,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 00:24:29,460 INFO L87 Difference]: Start difference. First operand 1325 states and 1932 transitions. Second operand has 11 states, 11 states have (on average 22.636363636363637) internal successors, (249), 11 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:30,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:30,562 INFO L93 Difference]: Finished difference Result 3604 states and 5244 transitions. [2024-11-20 00:24:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 00:24:30,562 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.636363636363637) internal successors, (249), 11 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 281 [2024-11-20 00:24:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:30,570 INFO L225 Difference]: With dead ends: 3604 [2024-11-20 00:24:30,570 INFO L226 Difference]: Without dead ends: 2758 [2024-11-20 00:24:30,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-20 00:24:30,572 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 3780 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3796 SdHoareTripleChecker+Valid, 7361 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:30,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3796 Valid, 7361 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 00:24:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2024-11-20 00:24:30,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 1903. [2024-11-20 00:24:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1903 states, 1857 states have (on average 1.4410339256865912) internal successors, (2676), 1857 states have internal predecessors, (2676), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 00:24:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2764 transitions. [2024-11-20 00:24:30,609 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2764 transitions. Word has length 281 [2024-11-20 00:24:30,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:30,610 INFO L471 AbstractCegarLoop]: Abstraction has 1903 states and 2764 transitions. [2024-11-20 00:24:30,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.636363636363637) internal successors, (249), 11 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 00:24:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2764 transitions. [2024-11-20 00:24:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-20 00:24:30,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:30,615 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:30,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 00:24:30,615 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:30,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:30,615 INFO L85 PathProgramCache]: Analyzing trace with hash -750929512, now seen corresponding path program 1 times [2024-11-20 00:24:30,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:30,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616729658] [2024-11-20 00:24:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 00:24:31,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616729658] [2024-11-20 00:24:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616729658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:31,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:31,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 00:24:31,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038420515] [2024-11-20 00:24:31,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:31,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 00:24:31,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 00:24:31,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:31,672 INFO L87 Difference]: Start difference. First operand 1903 states and 2764 transitions. Second operand has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:31,812 INFO L93 Difference]: Finished difference Result 3240 states and 4709 transitions. [2024-11-20 00:24:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 282 [2024-11-20 00:24:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:31,819 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:31,819 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:31,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-20 00:24:31,821 INFO L432 NwaCegarLoop]: 1121 mSDtfsCounter, 2088 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:31,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 4478 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:31,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:31,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4402381965121225) internal successors, (3386), 2351 states have internal predecessors, (3386), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3488 transitions. [2024-11-20 00:24:31,861 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3488 transitions. Word has length 282 [2024-11-20 00:24:31,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:31,861 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3488 transitions. [2024-11-20 00:24:31,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 00:24:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3488 transitions. [2024-11-20 00:24:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2024-11-20 00:24:31,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:31,868 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:31,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 00:24:31,868 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:31,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1805051135, now seen corresponding path program 1 times [2024-11-20 00:24:31,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:31,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523501812] [2024-11-20 00:24:31,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:31,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2024-11-20 00:24:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2024-11-20 00:24:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-11-20 00:24:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2024-11-20 00:24:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-20 00:24:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-20 00:24:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-20 00:24:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:32,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:32,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523501812] [2024-11-20 00:24:32,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523501812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:32,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:32,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:32,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130401502] [2024-11-20 00:24:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:32,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:32,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:32,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:32,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:32,962 INFO L87 Difference]: Start difference. First operand 2404 states and 3488 transitions. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:33,078 INFO L93 Difference]: Finished difference Result 3240 states and 4708 transitions. [2024-11-20 00:24:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:33,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 657 [2024-11-20 00:24:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:33,092 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:33,092 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:33,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:33,095 INFO L432 NwaCegarLoop]: 1093 mSDtfsCounter, 1851 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:33,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 2188 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.439812845597618) internal successors, (3385), 2351 states have internal predecessors, (3385), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3487 transitions. [2024-11-20 00:24:33,136 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3487 transitions. Word has length 657 [2024-11-20 00:24:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:33,137 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3487 transitions. [2024-11-20 00:24:33,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3487 transitions. [2024-11-20 00:24:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2024-11-20 00:24:33,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:33,145 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:33,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 00:24:33,145 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:33,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:33,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1513889300, now seen corresponding path program 1 times [2024-11-20 00:24:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:33,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423507984] [2024-11-20 00:24:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-11-20 00:24:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-11-20 00:24:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-11-20 00:24:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-20 00:24:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-11-20 00:24:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2024-11-20 00:24:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-20 00:24:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:34,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:34,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423507984] [2024-11-20 00:24:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423507984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:34,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:34,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220008222] [2024-11-20 00:24:34,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:34,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:34,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:34,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:34,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:34,219 INFO L87 Difference]: Start difference. First operand 2404 states and 3487 transitions. Second operand has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:34,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:34,317 INFO L93 Difference]: Finished difference Result 3240 states and 4706 transitions. [2024-11-20 00:24:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 658 [2024-11-20 00:24:34,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:34,326 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:34,329 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:34,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:34,332 INFO L432 NwaCegarLoop]: 1093 mSDtfsCounter, 994 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:34,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 2199 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:34,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4393874946831136) internal successors, (3384), 2351 states have internal predecessors, (3384), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3486 transitions. [2024-11-20 00:24:34,370 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3486 transitions. Word has length 658 [2024-11-20 00:24:34,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:34,371 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3486 transitions. [2024-11-20 00:24:34,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3486 transitions. [2024-11-20 00:24:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2024-11-20 00:24:34,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:34,378 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:34,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 00:24:34,378 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:34,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:34,378 INFO L85 PathProgramCache]: Analyzing trace with hash -137751340, now seen corresponding path program 1 times [2024-11-20 00:24:34,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:34,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859592580] [2024-11-20 00:24:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:34,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-11-20 00:24:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-11-20 00:24:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2024-11-20 00:24:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2024-11-20 00:24:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-20 00:24:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-20 00:24:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-20 00:24:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859592580] [2024-11-20 00:24:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859592580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401581422] [2024-11-20 00:24:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:35,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:35,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:35,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:35,518 INFO L87 Difference]: Start difference. First operand 2404 states and 3486 transitions. Second operand has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:35,980 INFO L93 Difference]: Finished difference Result 3240 states and 4704 transitions. [2024-11-20 00:24:35,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 659 [2024-11-20 00:24:35,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:35,986 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:35,986 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:35,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:35,988 INFO L432 NwaCegarLoop]: 828 mSDtfsCounter, 1735 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:35,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 1658 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.438962143768609) internal successors, (3383), 2351 states have internal predecessors, (3383), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3485 transitions. [2024-11-20 00:24:36,048 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3485 transitions. Word has length 659 [2024-11-20 00:24:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:36,051 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3485 transitions. [2024-11-20 00:24:36,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3485 transitions. [2024-11-20 00:24:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-11-20 00:24:36,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:36,061 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:36,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 00:24:36,061 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:36,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:36,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1091511071, now seen corresponding path program 1 times [2024-11-20 00:24:36,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:36,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959965382] [2024-11-20 00:24:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-20 00:24:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-11-20 00:24:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2024-11-20 00:24:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-20 00:24:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2024-11-20 00:24:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2024-11-20 00:24:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-20 00:24:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:37,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:37,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959965382] [2024-11-20 00:24:37,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959965382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:37,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:37,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:37,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805859035] [2024-11-20 00:24:37,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:37,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:37,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:37,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:37,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:37,155 INFO L87 Difference]: Start difference. First operand 2404 states and 3485 transitions. Second operand has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:37,299 INFO L93 Difference]: Finished difference Result 3240 states and 4702 transitions. [2024-11-20 00:24:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:37,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 660 [2024-11-20 00:24:37,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:37,304 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:37,304 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:37,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:37,306 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 944 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:37,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 2197 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:37,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4385367928541046) internal successors, (3382), 2351 states have internal predecessors, (3382), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3484 transitions. [2024-11-20 00:24:37,339 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3484 transitions. Word has length 660 [2024-11-20 00:24:37,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:37,339 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3484 transitions. [2024-11-20 00:24:37,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3484 transitions. [2024-11-20 00:24:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-11-20 00:24:37,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:37,346 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:37,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 00:24:37,346 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:37,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:37,347 INFO L85 PathProgramCache]: Analyzing trace with hash -141251072, now seen corresponding path program 1 times [2024-11-20 00:24:37,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:37,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795092451] [2024-11-20 00:24:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-11-20 00:24:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-11-20 00:24:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2024-11-20 00:24:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2024-11-20 00:24:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-11-20 00:24:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-20 00:24:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-20 00:24:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:38,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:38,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795092451] [2024-11-20 00:24:38,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795092451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:38,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:38,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212833315] [2024-11-20 00:24:38,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:38,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:38,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:38,358 INFO L87 Difference]: Start difference. First operand 2404 states and 3484 transitions. Second operand has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:38,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:38,461 INFO L93 Difference]: Finished difference Result 3240 states and 4700 transitions. [2024-11-20 00:24:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:38,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 661 [2024-11-20 00:24:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:38,466 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:38,466 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:38,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:38,468 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 1719 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:38,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 2186 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:38,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4381114419396002) internal successors, (3381), 2351 states have internal predecessors, (3381), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3483 transitions. [2024-11-20 00:24:38,501 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3483 transitions. Word has length 661 [2024-11-20 00:24:38,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:38,502 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3483 transitions. [2024-11-20 00:24:38,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3483 transitions. [2024-11-20 00:24:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2024-11-20 00:24:38,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:38,508 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:38,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 00:24:38,508 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:38,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:38,509 INFO L85 PathProgramCache]: Analyzing trace with hash -914091146, now seen corresponding path program 1 times [2024-11-20 00:24:38,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:38,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491384577] [2024-11-20 00:24:38,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:38,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-11-20 00:24:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-11-20 00:24:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-11-20 00:24:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2024-11-20 00:24:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-11-20 00:24:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-20 00:24:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-20 00:24:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:39,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:39,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491384577] [2024-11-20 00:24:39,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491384577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:39,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:39,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:39,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371654049] [2024-11-20 00:24:39,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:39,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:39,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:39,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:39,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:39,513 INFO L87 Difference]: Start difference. First operand 2404 states and 3483 transitions. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:39,860 INFO L93 Difference]: Finished difference Result 3240 states and 4698 transitions. [2024-11-20 00:24:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:39,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 662 [2024-11-20 00:24:39,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:39,866 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:39,866 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:39,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:39,868 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 844 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:39,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1665 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:24:39,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4376860910250957) internal successors, (3380), 2351 states have internal predecessors, (3380), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3482 transitions. [2024-11-20 00:24:39,903 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3482 transitions. Word has length 662 [2024-11-20 00:24:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:39,903 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3482 transitions. [2024-11-20 00:24:39,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3482 transitions. [2024-11-20 00:24:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2024-11-20 00:24:39,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:39,910 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:39,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 00:24:39,910 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:39,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash 767023925, now seen corresponding path program 1 times [2024-11-20 00:24:39,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:39,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650091726] [2024-11-20 00:24:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-11-20 00:24:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:24:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-20 00:24:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2024-11-20 00:24:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-20 00:24:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-20 00:24:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-20 00:24:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:41,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:41,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650091726] [2024-11-20 00:24:41,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650091726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:41,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:41,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:41,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691406573] [2024-11-20 00:24:41,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:41,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:41,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:41,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:41,908 INFO L87 Difference]: Start difference. First operand 2404 states and 3482 transitions. Second operand has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:41,993 INFO L93 Difference]: Finished difference Result 3240 states and 4696 transitions. [2024-11-20 00:24:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:41,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 663 [2024-11-20 00:24:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:41,997 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:41,997 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:41,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:41,999 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 837 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:41,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 2184 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4372607401105912) internal successors, (3379), 2351 states have internal predecessors, (3379), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3481 transitions. [2024-11-20 00:24:42,031 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3481 transitions. Word has length 663 [2024-11-20 00:24:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:42,031 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3481 transitions. [2024-11-20 00:24:42,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3481 transitions. [2024-11-20 00:24:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-11-20 00:24:42,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:42,037 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:42,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 00:24:42,038 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:42,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2052466768, now seen corresponding path program 1 times [2024-11-20 00:24:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159201068] [2024-11-20 00:24:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:42,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-20 00:24:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-11-20 00:24:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-20 00:24:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-20 00:24:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-20 00:24:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-20 00:24:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2024-11-20 00:24:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:44,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159201068] [2024-11-20 00:24:44,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159201068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:44,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:44,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:44,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579999968] [2024-11-20 00:24:44,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:44,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:44,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:44,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:44,128 INFO L87 Difference]: Start difference. First operand 2404 states and 3481 transitions. Second operand has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:44,229 INFO L93 Difference]: Finished difference Result 3240 states and 4694 transitions. [2024-11-20 00:24:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:44,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 664 [2024-11-20 00:24:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:44,234 INFO L225 Difference]: With dead ends: 3240 [2024-11-20 00:24:44,234 INFO L226 Difference]: Without dead ends: 2404 [2024-11-20 00:24:44,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:44,236 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 780 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:44,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 2184 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:24:44,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-11-20 00:24:44,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2404. [2024-11-20 00:24:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.4368353891960868) internal successors, (3378), 2351 states have internal predecessors, (3378), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3480 transitions. [2024-11-20 00:24:44,265 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3480 transitions. Word has length 664 [2024-11-20 00:24:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:44,266 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3480 transitions. [2024-11-20 00:24:44,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3480 transitions. [2024-11-20 00:24:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2024-11-20 00:24:44,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:44,273 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:44,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 00:24:44,273 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:44,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:44,274 INFO L85 PathProgramCache]: Analyzing trace with hash 875085261, now seen corresponding path program 1 times [2024-11-20 00:24:44,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763715310] [2024-11-20 00:24:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:44,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:24:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2024-11-20 00:24:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-11-20 00:24:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-20 00:24:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-20 00:24:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-20 00:24:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-20 00:24:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-20 00:24:47,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:47,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763715310] [2024-11-20 00:24:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763715310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:47,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:24:47,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952982645] [2024-11-20 00:24:47,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:47,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:24:47,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:24:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:47,728 INFO L87 Difference]: Start difference. First operand 2404 states and 3480 transitions. Second operand has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:48,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:48,131 INFO L93 Difference]: Finished difference Result 3424 states and 4958 transitions. [2024-11-20 00:24:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:24:48,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 665 [2024-11-20 00:24:48,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:48,135 INFO L225 Difference]: With dead ends: 3424 [2024-11-20 00:24:48,136 INFO L226 Difference]: Without dead ends: 2420 [2024-11-20 00:24:48,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:24:48,137 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 998 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:48,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 2500 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2024-11-20 00:24:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2412. [2024-11-20 00:24:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2359 states have (on average 1.4353539635438746) internal successors, (3386), 2359 states have internal predecessors, (3386), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3488 transitions. [2024-11-20 00:24:48,168 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3488 transitions. Word has length 665 [2024-11-20 00:24:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:48,168 INFO L471 AbstractCegarLoop]: Abstraction has 2412 states and 3488 transitions. [2024-11-20 00:24:48,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3488 transitions. [2024-11-20 00:24:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-20 00:24:48,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:48,175 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:48,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 00:24:48,175 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:48,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash 835868433, now seen corresponding path program 1 times [2024-11-20 00:24:48,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:48,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973524848] [2024-11-20 00:24:48,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:48,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-20 00:24:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-11-20 00:24:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2024-11-20 00:24:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-20 00:24:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-20 00:24:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-20 00:24:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-20 00:24:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-20 00:24:50,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973524848] [2024-11-20 00:24:50,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973524848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:50,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:50,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:24:50,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007552209] [2024-11-20 00:24:50,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:50,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:24:50,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:50,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:24:50,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:50,408 INFO L87 Difference]: Start difference. First operand 2412 states and 3488 transitions. Second operand has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:50,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:50,808 INFO L93 Difference]: Finished difference Result 3420 states and 4946 transitions. [2024-11-20 00:24:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:24:50,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 667 [2024-11-20 00:24:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:50,812 INFO L225 Difference]: With dead ends: 3420 [2024-11-20 00:24:50,812 INFO L226 Difference]: Without dead ends: 2412 [2024-11-20 00:24:50,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:24:50,813 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 993 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:50,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1664 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:50,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2024-11-20 00:24:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2404. [2024-11-20 00:24:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2351 states have (on average 1.435133985538069) internal successors, (3374), 2351 states have internal predecessors, (3374), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 00:24:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3476 transitions. [2024-11-20 00:24:50,841 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3476 transitions. Word has length 667 [2024-11-20 00:24:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:50,842 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3476 transitions. [2024-11-20 00:24:50,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3476 transitions. [2024-11-20 00:24:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-20 00:24:50,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:50,847 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:50,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 00:24:50,847 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:50,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash 384047711, now seen corresponding path program 1 times [2024-11-20 00:24:50,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:50,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845485801] [2024-11-20 00:24:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:50,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:24:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:24:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:24:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:24:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:24:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:24:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:24:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-20 00:24:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-11-20 00:24:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2024-11-20 00:24:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-20 00:24:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-20 00:24:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-20 00:24:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-20 00:24:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 00:24:54,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845485801] [2024-11-20 00:24:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845485801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:54,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:54,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 00:24:54,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385653997] [2024-11-20 00:24:54,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:54,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 00:24:54,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:54,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 00:24:54,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:24:54,385 INFO L87 Difference]: Start difference. First operand 2404 states and 3476 transitions. Second operand has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:54,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:24:54,839 INFO L93 Difference]: Finished difference Result 5666 states and 8179 transitions. [2024-11-20 00:24:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:24:54,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 667 [2024-11-20 00:24:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:24:54,848 INFO L225 Difference]: With dead ends: 5666 [2024-11-20 00:24:54,848 INFO L226 Difference]: Without dead ends: 4830 [2024-11-20 00:24:54,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:24:54,852 INFO L432 NwaCegarLoop]: 1096 mSDtfsCounter, 1282 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 4481 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:24:54,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 4481 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:24:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2024-11-20 00:24:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4109. [2024-11-20 00:24:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4109 states, 4012 states have (on average 1.4324526420737786) internal successors, (5747), 4012 states have internal predecessors, (5747), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-20 00:24:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 5937 transitions. [2024-11-20 00:24:54,922 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 5937 transitions. Word has length 667 [2024-11-20 00:24:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:24:54,923 INFO L471 AbstractCegarLoop]: Abstraction has 4109 states and 5937 transitions. [2024-11-20 00:24:54,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:24:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 5937 transitions. [2024-11-20 00:24:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-20 00:24:54,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:24:54,932 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:24:54,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 00:24:54,932 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:24:54,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:24:54,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1842221407, now seen corresponding path program 1 times [2024-11-20 00:24:54,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:24:54,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201172527] [2024-11-20 00:24:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:24:54,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:24:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 00:24:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 00:24:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 00:24:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 00:24:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 00:24:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 00:24:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 00:24:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-11-20 00:24:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-20 00:24:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-20 00:24:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-20 00:24:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-20 00:24:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-20 00:24:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-20 00:24:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:24:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-20 00:24:59,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:24:59,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201172527] [2024-11-20 00:24:59,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201172527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:24:59,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:24:59,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 00:24:59,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722514941] [2024-11-20 00:24:59,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:24:59,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 00:24:59,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:24:59,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 00:24:59,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:24:59,113 INFO L87 Difference]: Start difference. First operand 4109 states and 5937 transitions. Second operand has 8 states, 8 states have (on average 61.375) internal successors, (491), 8 states have internal predecessors, (491), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:25:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:25:00,365 INFO L93 Difference]: Finished difference Result 8757 states and 12651 transitions. [2024-11-20 00:25:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 00:25:00,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 61.375) internal successors, (491), 8 states have internal predecessors, (491), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 668 [2024-11-20 00:25:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:25:00,373 INFO L225 Difference]: With dead ends: 8757 [2024-11-20 00:25:00,374 INFO L226 Difference]: Without dead ends: 7561 [2024-11-20 00:25:00,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 00:25:00,376 INFO L432 NwaCegarLoop]: 1415 mSDtfsCounter, 3568 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 7062 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:25:00,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3582 Valid, 7062 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2660 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 00:25:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7561 states. [2024-11-20 00:25:00,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7561 to 5236. [2024-11-20 00:25:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5095 states have (on average 1.4298331697742885) internal successors, (7285), 5095 states have internal predecessors, (7285), 139 states have call successors, (139), 1 states have call predecessors, (139), 1 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-20 00:25:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 7563 transitions. [2024-11-20 00:25:00,454 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 7563 transitions. Word has length 668 [2024-11-20 00:25:00,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:25:00,454 INFO L471 AbstractCegarLoop]: Abstraction has 5236 states and 7563 transitions. [2024-11-20 00:25:00,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 61.375) internal successors, (491), 8 states have internal predecessors, (491), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 00:25:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 7563 transitions. [2024-11-20 00:25:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-20 00:25:00,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:25:00,464 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:25:00,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 00:25:00,464 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:25:00,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:25:00,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1216146289, now seen corresponding path program 1 times [2024-11-20 00:25:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:25:00,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018345256] [2024-11-20 00:25:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:25:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:25:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:25:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:25:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:25:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:25:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:25:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:25:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:25:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-11-20 00:25:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-20 00:25:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-20 00:25:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-20 00:25:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-20 00:25:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-20 00:25:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-20 00:25:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-11-20 00:25:04,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:25:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018345256] [2024-11-20 00:25:04,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018345256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:25:04,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:25:04,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 00:25:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592702461] [2024-11-20 00:25:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:25:04,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 00:25:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:25:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 00:25:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:25:04,748 INFO L87 Difference]: Start difference. First operand 5236 states and 7563 transitions. Second operand has 8 states, 8 states have (on average 59.875) internal successors, (479), 8 states have internal predecessors, (479), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 00:25:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:25:04,962 INFO L93 Difference]: Finished difference Result 10222 states and 14770 transitions. [2024-11-20 00:25:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 00:25:04,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 59.875) internal successors, (479), 8 states have internal predecessors, (479), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 668 [2024-11-20 00:25:04,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:25:04,972 INFO L225 Difference]: With dead ends: 10222 [2024-11-20 00:25:04,973 INFO L226 Difference]: Without dead ends: 8277 [2024-11-20 00:25:04,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 00:25:04,978 INFO L432 NwaCegarLoop]: 1782 mSDtfsCounter, 3605 mSDsluCounter, 7490 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 9272 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:25:04,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3619 Valid, 9272 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:25:04,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2024-11-20 00:25:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 5566. [2024-11-20 00:25:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 5401 states have (on average 1.423254952786521) internal successors, (7687), 5401 states have internal predecessors, (7687), 163 states have call successors, (163), 1 states have call predecessors, (163), 1 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-20 00:25:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 8013 transitions. [2024-11-20 00:25:05,087 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 8013 transitions. Word has length 668 [2024-11-20 00:25:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:25:05,088 INFO L471 AbstractCegarLoop]: Abstraction has 5566 states and 8013 transitions. [2024-11-20 00:25:05,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 59.875) internal successors, (479), 8 states have internal predecessors, (479), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 00:25:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 8013 transitions. [2024-11-20 00:25:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-20 00:25:05,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:25:05,097 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:25:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 00:25:05,097 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:25:05,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:25:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash 845102529, now seen corresponding path program 1 times [2024-11-20 00:25:05,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:25:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315820551] [2024-11-20 00:25:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:25:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:25:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 00:25:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 00:25:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 00:25:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 00:25:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 00:25:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:25:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:25:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-11-20 00:25:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-20 00:25:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-20 00:25:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-20 00:25:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-20 00:25:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-20 00:25:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-20 00:25:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-20 00:25:06,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:25:06,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315820551] [2024-11-20 00:25:06,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315820551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:25:06,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:25:06,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:25:06,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777346190] [2024-11-20 00:25:06,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:25:06,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:25:06,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:25:06,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:25:06,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:25:06,304 INFO L87 Difference]: Start difference. First operand 5566 states and 8013 transitions. Second operand has 5 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 00:25:06,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:25:06,759 INFO L93 Difference]: Finished difference Result 8230 states and 11858 transitions. [2024-11-20 00:25:06,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:25:06,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 668 [2024-11-20 00:25:06,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:25:06,766 INFO L225 Difference]: With dead ends: 8230 [2024-11-20 00:25:06,766 INFO L226 Difference]: Without dead ends: 5610 [2024-11-20 00:25:06,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:25:06,771 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 1097 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2476 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:25:06,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2476 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:25:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2024-11-20 00:25:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 5610. [2024-11-20 00:25:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5445 states have (on average 1.4198347107438016) internal successors, (7731), 5445 states have internal predecessors, (7731), 163 states have call successors, (163), 1 states have call predecessors, (163), 1 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-20 00:25:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 8057 transitions. [2024-11-20 00:25:06,860 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 8057 transitions. Word has length 668 [2024-11-20 00:25:06,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:25:06,861 INFO L471 AbstractCegarLoop]: Abstraction has 5610 states and 8057 transitions. [2024-11-20 00:25:06,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 00:25:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 8057 transitions. [2024-11-20 00:25:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-20 00:25:06,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:25:06,872 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:25:06,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-20 00:25:06,873 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:25:06,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:25:06,873 INFO L85 PathProgramCache]: Analyzing trace with hash -464196544, now seen corresponding path program 1 times [2024-11-20 00:25:06,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:25:06,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851968161] [2024-11-20 00:25:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:25:06,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:25:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 00:25:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 00:25:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 00:25:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 00:25:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 00:25:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 00:25:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 00:25:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-11-20 00:25:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-20 00:25:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-20 00:25:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-20 00:25:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-20 00:25:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-20 00:25:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-20 00:25:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:25:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-20 00:25:11,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:25:11,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851968161] [2024-11-20 00:25:11,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851968161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:25:11,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:25:11,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 00:25:11,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851386147] [2024-11-20 00:25:11,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:25:11,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 00:25:11,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:25:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 00:25:11,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 00:25:11,434 INFO L87 Difference]: Start difference. First operand 5610 states and 8057 transitions. Second operand has 10 states, 10 states have (on average 48.2) internal successors, (482), 10 states have internal predecessors, (482), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 00:25:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:25:12,580 INFO L93 Difference]: Finished difference Result 9764 states and 14060 transitions. [2024-11-20 00:25:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 00:25:12,581 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 48.2) internal successors, (482), 10 states have internal predecessors, (482), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 668 [2024-11-20 00:25:12,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:25:12,592 INFO L225 Difference]: With dead ends: 9764 [2024-11-20 00:25:12,592 INFO L226 Difference]: Without dead ends: 7838 [2024-11-20 00:25:12,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-20 00:25:12,599 INFO L432 NwaCegarLoop]: 959 mSDtfsCounter, 1895 mSDsluCounter, 6463 mSDsCounter, 0 mSdLazyCounter, 3095 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 7422 SdHoareTripleChecker+Invalid, 3098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:25:12,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 7422 Invalid, 3098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3095 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 00:25:12,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7838 states. [2024-11-20 00:25:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7838 to 5968. [2024-11-20 00:25:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5968 states, 5782 states have (on average 1.4168107921134556) internal successors, (8192), 5782 states have internal predecessors, (8192), 184 states have call successors, (184), 1 states have call predecessors, (184), 1 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 00:25:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 8560 transitions. [2024-11-20 00:25:12,706 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 8560 transitions. Word has length 668 [2024-11-20 00:25:12,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:25:12,706 INFO L471 AbstractCegarLoop]: Abstraction has 5968 states and 8560 transitions. [2024-11-20 00:25:12,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 48.2) internal successors, (482), 10 states have internal predecessors, (482), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 00:25:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 8560 transitions. [2024-11-20 00:25:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-20 00:25:12,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:25:12,715 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:25:12,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-20 00:25:12,715 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:25:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:25:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1410774634, now seen corresponding path program 1 times [2024-11-20 00:25:12,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:25:12,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634477179] [2024-11-20 00:25:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:25:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms