./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/transmitter.08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0fbb3eaba725aed5c3b8bf09c66f0f1daed4feeee0b9a3792dc033de334e501 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:31:12,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:31:12,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:31:12,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:31:12,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:31:12,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:31:12,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:31:12,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:31:12,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:31:12,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:31:12,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:31:12,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:31:12,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:31:12,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:31:12,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:31:12,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:31:12,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:31:12,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:31:12,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:31:12,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:31:12,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:31:12,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:31:12,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:31:12,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:31:12,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:31:12,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:31:12,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:31:12,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:31:12,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:31:12,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:31:12,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:31:12,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:31:12,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:31:12,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:31:12,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:31:12,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:31:12,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:31:12,494 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0fbb3eaba725aed5c3b8bf09c66f0f1daed4feeee0b9a3792dc033de334e501 [2024-11-08 15:31:12,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:31:12,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:31:12,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:31:12,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:31:12,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:31:12,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.08.cil.c [2024-11-08 15:31:14,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:31:14,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:31:14,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.08.cil.c [2024-11-08 15:31:14,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255bee485/3c79c708639746518d527f07df8c7a7e/FLAG2519da4c4 [2024-11-08 15:31:14,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255bee485/3c79c708639746518d527f07df8c7a7e [2024-11-08 15:31:14,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:31:14,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:31:14,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:31:14,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:31:14,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:31:14,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:31:14" (1/1) ... [2024-11-08 15:31:14,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fa769c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:14, skipping insertion in model container [2024-11-08 15:31:14,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:31:14" (1/1) ... [2024-11-08 15:31:14,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:31:14,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.08.cil.c[706,719] [2024-11-08 15:31:14,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:31:15,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:31:15,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.08.cil.c[706,719] [2024-11-08 15:31:15,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:31:15,098 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:31:15,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15 WrapperNode [2024-11-08 15:31:15,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:31:15,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:31:15,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:31:15,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:31:15,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,150 INFO L138 Inliner]: procedures = 44, calls = 54, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 623 [2024-11-08 15:31:15,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:31:15,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:31:15,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:31:15,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:31:15,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,187 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]. [2024-11-08 15:31:15,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:31:15,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:31:15,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:31:15,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:31:15,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (1/1) ... [2024-11-08 15:31:15,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:31:15,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:31:15,250 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) [2024-11-08 15:31:15,252 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 [2024-11-08 15:31:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:31:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-08 15:31:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-08 15:31:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-08 15:31:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-08 15:31:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-08 15:31:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-08 15:31:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-08 15:31:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-08 15:31:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-08 15:31:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-08 15:31:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:31:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-08 15:31:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-08 15:31:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:31:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:31:15,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:31:15,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:31:16,144 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-08 15:31:16,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:31:16,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:31:16,165 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-08 15:31:16,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:31:16 BoogieIcfgContainer [2024-11-08 15:31:16,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:31:16,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:31:16,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:31:16,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:31:16,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:31:14" (1/3) ... [2024-11-08 15:31:16,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b19fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:31:16, skipping insertion in model container [2024-11-08 15:31:16,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:31:15" (2/3) ... [2024-11-08 15:31:16,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b19fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:31:16, skipping insertion in model container [2024-11-08 15:31:16,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:31:16" (3/3) ... [2024-11-08 15:31:16,175 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.08.cil.c [2024-11-08 15:31:16,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:31:16,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:31:16,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:31:16,279 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;@19584263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:31:16,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:31:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 287 states, 258 states have (on average 1.624031007751938) internal successors, (419), 260 states have internal predecessors, (419), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 15:31:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:16,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:16,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:16,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:16,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1648500682, now seen corresponding path program 1 times [2024-11-08 15:31:16,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:16,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858877506] [2024-11-08 15:31:16,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:16,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:16,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:16,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858877506] [2024-11-08 15:31:16,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858877506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:16,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:16,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:31:16,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790718652] [2024-11-08 15:31:16,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:16,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:31:16,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:16,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:31:16,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:31:17,001 INFO L87 Difference]: Start difference. First operand has 287 states, 258 states have (on average 1.624031007751938) internal successors, (419), 260 states have internal predecessors, (419), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:18,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:18,509 INFO L93 Difference]: Finished difference Result 657 states and 1065 transitions. [2024-11-08 15:31:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:31:18,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:18,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:18,529 INFO L225 Difference]: With dead ends: 657 [2024-11-08 15:31:18,529 INFO L226 Difference]: Without dead ends: 378 [2024-11-08 15:31:18,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:31:18,539 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 727 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:18,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 571 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:31:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-08 15:31:18,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 282. [2024-11-08 15:31:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 254 states have (on average 1.5275590551181102) internal successors, (388), 255 states have internal predecessors, (388), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 15:31:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 430 transitions. [2024-11-08 15:31:18,629 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 430 transitions. Word has length 139 [2024-11-08 15:31:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:18,630 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 430 transitions. [2024-11-08 15:31:18,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 430 transitions. [2024-11-08 15:31:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:18,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:18,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:18,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:31:18,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:18,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:18,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1218842376, now seen corresponding path program 1 times [2024-11-08 15:31:18,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:18,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143501169] [2024-11-08 15:31:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:19,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:19,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143501169] [2024-11-08 15:31:19,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143501169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:19,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:19,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:31:19,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916404787] [2024-11-08 15:31:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:19,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:31:19,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:31:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:31:19,039 INFO L87 Difference]: Start difference. First operand 282 states and 430 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:21,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:21,197 INFO L93 Difference]: Finished difference Result 1015 states and 1596 transitions. [2024-11-08 15:31:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 15:31:21,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:21,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:21,205 INFO L225 Difference]: With dead ends: 1015 [2024-11-08 15:31:21,205 INFO L226 Difference]: Without dead ends: 749 [2024-11-08 15:31:21,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:21,209 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1084 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:21,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 957 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:31:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-08 15:31:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 557. [2024-11-08 15:31:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 506 states have (on average 1.5375494071146245) internal successors, (778), 508 states have internal predecessors, (778), 37 states have call successors, (37), 12 states have call predecessors, (37), 13 states have return successors, (40), 37 states have call predecessors, (40), 37 states have call successors, (40) [2024-11-08 15:31:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 855 transitions. [2024-11-08 15:31:21,288 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 855 transitions. Word has length 139 [2024-11-08 15:31:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:21,289 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 855 transitions. [2024-11-08 15:31:21,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 855 transitions. [2024-11-08 15:31:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:21,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:21,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:21,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:31:21,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:21,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash 511727319, now seen corresponding path program 1 times [2024-11-08 15:31:21,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:21,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121187104] [2024-11-08 15:31:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:21,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:21,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121187104] [2024-11-08 15:31:21,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121187104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:21,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:21,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:21,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855135923] [2024-11-08 15:31:21,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:21,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:21,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:21,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:21,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:21,626 INFO L87 Difference]: Start difference. First operand 557 states and 855 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:24,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:24,665 INFO L93 Difference]: Finished difference Result 1794 states and 2797 transitions. [2024-11-08 15:31:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:31:24,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:24,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:24,675 INFO L225 Difference]: With dead ends: 1794 [2024-11-08 15:31:24,676 INFO L226 Difference]: Without dead ends: 1253 [2024-11-08 15:31:24,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:31:24,682 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 1183 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 3141 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 3194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:24,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1862 Invalid, 3194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3141 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:31:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-08 15:31:24,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 814. [2024-11-08 15:31:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 740 states have (on average 1.5297297297297296) internal successors, (1132), 743 states have internal predecessors, (1132), 53 states have call successors, (53), 18 states have call predecessors, (53), 20 states have return successors, (58), 54 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-08 15:31:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1243 transitions. [2024-11-08 15:31:24,781 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1243 transitions. Word has length 139 [2024-11-08 15:31:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:24,782 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1243 transitions. [2024-11-08 15:31:24,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1243 transitions. [2024-11-08 15:31:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:24,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:24,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:24,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:31:24,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:24,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash -580907883, now seen corresponding path program 1 times [2024-11-08 15:31:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846882645] [2024-11-08 15:31:24,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:24,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:25,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:25,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846882645] [2024-11-08 15:31:25,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846882645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:25,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:25,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:25,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263337310] [2024-11-08 15:31:25,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:25,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:25,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:25,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:25,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:25,082 INFO L87 Difference]: Start difference. First operand 814 states and 1243 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:28,034 INFO L93 Difference]: Finished difference Result 2763 states and 4297 transitions. [2024-11-08 15:31:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:31:28,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:28,048 INFO L225 Difference]: With dead ends: 2763 [2024-11-08 15:31:28,048 INFO L226 Difference]: Without dead ends: 1965 [2024-11-08 15:31:28,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:31:28,054 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 1181 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 3137 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 3192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:28,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1860 Invalid, 3192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3137 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:31:28,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2024-11-08 15:31:28,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1329. [2024-11-08 15:31:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1209 states have (on average 1.522746071133168) internal successors, (1841), 1214 states have internal predecessors, (1841), 85 states have call successors, (85), 30 states have call predecessors, (85), 34 states have return successors, (98), 88 states have call predecessors, (98), 85 states have call successors, (98) [2024-11-08 15:31:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 2024 transitions. [2024-11-08 15:31:28,157 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 2024 transitions. Word has length 139 [2024-11-08 15:31:28,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:28,158 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 2024 transitions. [2024-11-08 15:31:28,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2024 transitions. [2024-11-08 15:31:28,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:28,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:28,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:28,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:31:28,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:28,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1863080169, now seen corresponding path program 1 times [2024-11-08 15:31:28,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:28,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035715838] [2024-11-08 15:31:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:28,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:28,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:28,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035715838] [2024-11-08 15:31:28,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035715838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:28,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:28,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:28,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703245896] [2024-11-08 15:31:28,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:28,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:28,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:28,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:28,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:28,436 INFO L87 Difference]: Start difference. First operand 1329 states and 2024 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:30,695 INFO L93 Difference]: Finished difference Result 4632 states and 7174 transitions. [2024-11-08 15:31:30,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:31:30,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:30,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:30,717 INFO L225 Difference]: With dead ends: 4632 [2024-11-08 15:31:30,717 INFO L226 Difference]: Without dead ends: 3319 [2024-11-08 15:31:30,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:31:30,723 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 1260 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 2766 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 2847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:30,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 1205 Invalid, 2847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2766 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:31:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2024-11-08 15:31:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 2360. [2024-11-08 15:31:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2148 states have (on average 1.5172253258845438) internal successors, (3259), 2157 states have internal predecessors, (3259), 149 states have call successors, (149), 54 states have call predecessors, (149), 62 states have return successors, (184), 156 states have call predecessors, (184), 149 states have call successors, (184) [2024-11-08 15:31:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3592 transitions. [2024-11-08 15:31:30,892 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3592 transitions. Word has length 139 [2024-11-08 15:31:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:30,892 INFO L471 AbstractCegarLoop]: Abstraction has 2360 states and 3592 transitions. [2024-11-08 15:31:30,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3592 transitions. [2024-11-08 15:31:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:30,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:30,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:30,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:31:30,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:30,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:30,900 INFO L85 PathProgramCache]: Analyzing trace with hash 589411413, now seen corresponding path program 1 times [2024-11-08 15:31:30,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:30,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249671423] [2024-11-08 15:31:30,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:30,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:31,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:31,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249671423] [2024-11-08 15:31:31,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249671423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:31,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:31,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:31,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452678036] [2024-11-08 15:31:31,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:31,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:31,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:31,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:31,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:31,151 INFO L87 Difference]: Start difference. First operand 2360 states and 3592 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:34,055 INFO L93 Difference]: Finished difference Result 8369 states and 12944 transitions. [2024-11-08 15:31:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:31:34,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:34,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:34,087 INFO L225 Difference]: With dead ends: 8369 [2024-11-08 15:31:34,087 INFO L226 Difference]: Without dead ends: 6025 [2024-11-08 15:31:34,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:31:34,098 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 1173 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 3119 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 3174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:34,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1860 Invalid, 3174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3119 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 15:31:34,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6025 states. [2024-11-08 15:31:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6025 to 4427. [2024-11-08 15:31:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4031 states have (on average 1.5135202183081122) internal successors, (6101), 4048 states have internal predecessors, (6101), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-08 15:31:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6752 transitions. [2024-11-08 15:31:34,362 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6752 transitions. Word has length 139 [2024-11-08 15:31:34,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:34,363 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6752 transitions. [2024-11-08 15:31:34,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6752 transitions. [2024-11-08 15:31:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:34,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:34,370 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:34,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:31:34,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1132591273, now seen corresponding path program 1 times [2024-11-08 15:31:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445906066] [2024-11-08 15:31:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:34,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:34,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445906066] [2024-11-08 15:31:34,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445906066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:34,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:34,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:34,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404201696] [2024-11-08 15:31:34,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:34,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:34,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:34,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:34,659 INFO L87 Difference]: Start difference. First operand 4427 states and 6752 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:35,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:35,880 INFO L93 Difference]: Finished difference Result 10372 states and 16100 transitions. [2024-11-08 15:31:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:35,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:35,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:35,912 INFO L225 Difference]: With dead ends: 10372 [2024-11-08 15:31:35,912 INFO L226 Difference]: Without dead ends: 5961 [2024-11-08 15:31:35,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:35,932 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 918 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:35,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 774 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:31:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2024-11-08 15:31:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 4427. [2024-11-08 15:31:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4031 states have (on average 1.5093029025055817) internal successors, (6084), 4048 states have internal predecessors, (6084), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-08 15:31:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6735 transitions. [2024-11-08 15:31:36,251 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6735 transitions. Word has length 139 [2024-11-08 15:31:36,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:36,251 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6735 transitions. [2024-11-08 15:31:36,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:36,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6735 transitions. [2024-11-08 15:31:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:36,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:36,258 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:36,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:31:36,259 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:36,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1465234411, now seen corresponding path program 1 times [2024-11-08 15:31:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:36,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090724691] [2024-11-08 15:31:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:36,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:36,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090724691] [2024-11-08 15:31:36,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090724691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:36,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:36,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:36,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451787841] [2024-11-08 15:31:36,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:36,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:36,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:36,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:36,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:36,485 INFO L87 Difference]: Start difference. First operand 4427 states and 6735 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:37,815 INFO L93 Difference]: Finished difference Result 10354 states and 16014 transitions. [2024-11-08 15:31:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:37,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:37,851 INFO L225 Difference]: With dead ends: 10354 [2024-11-08 15:31:37,852 INFO L226 Difference]: Without dead ends: 5943 [2024-11-08 15:31:37,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:37,870 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 922 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:37,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 774 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:31:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5943 states. [2024-11-08 15:31:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5943 to 4427. [2024-11-08 15:31:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4031 states have (on average 1.5050855867030513) internal successors, (6067), 4048 states have internal predecessors, (6067), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-08 15:31:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6718 transitions. [2024-11-08 15:31:38,214 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6718 transitions. Word has length 139 [2024-11-08 15:31:38,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:38,215 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6718 transitions. [2024-11-08 15:31:38,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6718 transitions. [2024-11-08 15:31:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:38,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:38,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:38,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:31:38,223 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:38,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash 463697815, now seen corresponding path program 1 times [2024-11-08 15:31:38,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:38,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409979815] [2024-11-08 15:31:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:38,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409979815] [2024-11-08 15:31:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409979815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:38,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:38,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:38,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061012104] [2024-11-08 15:31:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:38,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:38,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:38,415 INFO L87 Difference]: Start difference. First operand 4427 states and 6718 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:39,526 INFO L93 Difference]: Finished difference Result 10318 states and 15892 transitions. [2024-11-08 15:31:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:39,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:39,555 INFO L225 Difference]: With dead ends: 10318 [2024-11-08 15:31:39,555 INFO L226 Difference]: Without dead ends: 5907 [2024-11-08 15:31:39,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:39,570 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 918 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:39,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 774 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:31:39,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2024-11-08 15:31:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 4427. [2024-11-08 15:31:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4031 states have (on average 1.500868270900521) internal successors, (6050), 4048 states have internal predecessors, (6050), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-08 15:31:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6701 transitions. [2024-11-08 15:31:39,909 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6701 transitions. Word has length 139 [2024-11-08 15:31:39,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:39,910 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6701 transitions. [2024-11-08 15:31:39,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6701 transitions. [2024-11-08 15:31:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:39,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:39,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:39,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:31:39,923 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:39,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2104124519, now seen corresponding path program 1 times [2024-11-08 15:31:39,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:39,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061063772] [2024-11-08 15:31:39,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:39,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:40,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:40,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061063772] [2024-11-08 15:31:40,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061063772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:40,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:40,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:40,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26607106] [2024-11-08 15:31:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:40,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:40,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:40,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:40,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:40,176 INFO L87 Difference]: Start difference. First operand 4427 states and 6701 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:41,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:41,428 INFO L93 Difference]: Finished difference Result 10300 states and 15805 transitions. [2024-11-08 15:31:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:41,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:41,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:41,450 INFO L225 Difference]: With dead ends: 10300 [2024-11-08 15:31:41,450 INFO L226 Difference]: Without dead ends: 5889 [2024-11-08 15:31:41,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:41,465 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 914 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:41,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 772 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:31:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5889 states. [2024-11-08 15:31:41,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5889 to 4427. [2024-11-08 15:31:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4031 states have (on average 1.4966509550979905) internal successors, (6033), 4048 states have internal predecessors, (6033), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-08 15:31:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6684 transitions. [2024-11-08 15:31:41,806 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6684 transitions. Word has length 139 [2024-11-08 15:31:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:41,806 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6684 transitions. [2024-11-08 15:31:41,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6684 transitions. [2024-11-08 15:31:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:41,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:41,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:41,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:31:41,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:41,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1632768169, now seen corresponding path program 1 times [2024-11-08 15:31:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:41,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327142663] [2024-11-08 15:31:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:41,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:42,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:42,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327142663] [2024-11-08 15:31:42,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327142663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:42,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:42,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:42,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008953630] [2024-11-08 15:31:42,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:42,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:42,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:42,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:42,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:42,011 INFO L87 Difference]: Start difference. First operand 4427 states and 6684 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:44,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:44,860 INFO L93 Difference]: Finished difference Result 17287 states and 26368 transitions. [2024-11-08 15:31:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:31:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:44,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:44,915 INFO L225 Difference]: With dead ends: 17287 [2024-11-08 15:31:44,915 INFO L226 Difference]: Without dead ends: 12876 [2024-11-08 15:31:44,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:31:44,932 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 1397 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 2633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:44,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 1834 Invalid, 2633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 15:31:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12876 states. [2024-11-08 15:31:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12876 to 8609. [2024-11-08 15:31:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8609 states, 7861 states have (on average 1.4938303014883603) internal successors, (11743), 7894 states have internal predecessors, (11743), 517 states have call successors, (517), 198 states have call predecessors, (517), 230 states have return successors, (792), 548 states have call predecessors, (792), 517 states have call successors, (792) [2024-11-08 15:31:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8609 states to 8609 states and 13052 transitions. [2024-11-08 15:31:45,599 INFO L78 Accepts]: Start accepts. Automaton has 8609 states and 13052 transitions. Word has length 139 [2024-11-08 15:31:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:45,600 INFO L471 AbstractCegarLoop]: Abstraction has 8609 states and 13052 transitions. [2024-11-08 15:31:45,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 8609 states and 13052 transitions. [2024-11-08 15:31:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:45,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:45,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:45,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:31:45,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:45,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1014836185, now seen corresponding path program 1 times [2024-11-08 15:31:45,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:45,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421907794] [2024-11-08 15:31:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:45,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:45,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:45,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421907794] [2024-11-08 15:31:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421907794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:45,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:45,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:45,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731147234] [2024-11-08 15:31:45,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:45,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:45,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:45,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:45,822 INFO L87 Difference]: Start difference. First operand 8609 states and 13052 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:47,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:47,514 INFO L93 Difference]: Finished difference Result 19828 states and 30468 transitions. [2024-11-08 15:31:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:47,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:47,563 INFO L225 Difference]: With dead ends: 19828 [2024-11-08 15:31:47,563 INFO L226 Difference]: Without dead ends: 11235 [2024-11-08 15:31:47,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:47,588 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 817 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:47,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 923 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:31:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11235 states. [2024-11-08 15:31:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11235 to 8609. [2024-11-08 15:31:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8609 states, 7861 states have (on average 1.4896323622948735) internal successors, (11710), 7894 states have internal predecessors, (11710), 517 states have call successors, (517), 198 states have call predecessors, (517), 230 states have return successors, (792), 548 states have call predecessors, (792), 517 states have call successors, (792) [2024-11-08 15:31:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8609 states to 8609 states and 13019 transitions. [2024-11-08 15:31:48,277 INFO L78 Accepts]: Start accepts. Automaton has 8609 states and 13019 transitions. Word has length 139 [2024-11-08 15:31:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:48,277 INFO L471 AbstractCegarLoop]: Abstraction has 8609 states and 13019 transitions. [2024-11-08 15:31:48,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 8609 states and 13019 transitions. [2024-11-08 15:31:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:48,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:48,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:48,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:31:48,290 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:48,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1116514537, now seen corresponding path program 1 times [2024-11-08 15:31:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060842982] [2024-11-08 15:31:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:48,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:48,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060842982] [2024-11-08 15:31:48,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060842982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:48,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:48,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:48,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707863269] [2024-11-08 15:31:48,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:48,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:48,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:48,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:48,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:48,462 INFO L87 Difference]: Start difference. First operand 8609 states and 13019 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:49,894 INFO L93 Difference]: Finished difference Result 19794 states and 30301 transitions. [2024-11-08 15:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:49,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:49,939 INFO L225 Difference]: With dead ends: 19794 [2024-11-08 15:31:49,939 INFO L226 Difference]: Without dead ends: 11201 [2024-11-08 15:31:49,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:49,960 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 911 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:49,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 772 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:31:49,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11201 states. [2024-11-08 15:31:50,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11201 to 8609. [2024-11-08 15:31:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8609 states, 7861 states have (on average 1.4854344231013865) internal successors, (11677), 7894 states have internal predecessors, (11677), 517 states have call successors, (517), 198 states have call predecessors, (517), 230 states have return successors, (792), 548 states have call predecessors, (792), 517 states have call successors, (792) [2024-11-08 15:31:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8609 states to 8609 states and 12986 transitions. [2024-11-08 15:31:50,573 INFO L78 Accepts]: Start accepts. Automaton has 8609 states and 12986 transitions. Word has length 139 [2024-11-08 15:31:50,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:50,574 INFO L471 AbstractCegarLoop]: Abstraction has 8609 states and 12986 transitions. [2024-11-08 15:31:50,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8609 states and 12986 transitions. [2024-11-08 15:31:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:50,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:50,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:50,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:31:50,589 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:50,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2139868185, now seen corresponding path program 1 times [2024-11-08 15:31:50,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:50,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24645575] [2024-11-08 15:31:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:50,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:50,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:50,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24645575] [2024-11-08 15:31:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24645575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:50,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708510084] [2024-11-08 15:31:50,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:50,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:50,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:50,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:50,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:50,812 INFO L87 Difference]: Start difference. First operand 8609 states and 12986 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:54,595 INFO L93 Difference]: Finished difference Result 32215 states and 49078 transitions. [2024-11-08 15:31:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:31:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:54,683 INFO L225 Difference]: With dead ends: 32215 [2024-11-08 15:31:54,683 INFO L226 Difference]: Without dead ends: 23622 [2024-11-08 15:31:54,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:31:54,717 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 1265 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:54,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 1834 Invalid, 2723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 15:31:54,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23622 states. [2024-11-08 15:31:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23622 to 17012. [2024-11-08 15:31:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17012 states, 15576 states have (on average 1.4827298407806881) internal successors, (23095), 15641 states have internal predecessors, (23095), 981 states have call successors, (981), 390 states have call predecessors, (981), 454 states have return successors, (1774), 1044 states have call predecessors, (1774), 981 states have call successors, (1774) [2024-11-08 15:31:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17012 states to 17012 states and 25850 transitions. [2024-11-08 15:31:55,886 INFO L78 Accepts]: Start accepts. Automaton has 17012 states and 25850 transitions. Word has length 139 [2024-11-08 15:31:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:55,887 INFO L471 AbstractCegarLoop]: Abstraction has 17012 states and 25850 transitions. [2024-11-08 15:31:55,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 17012 states and 25850 transitions. [2024-11-08 15:31:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:55,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:55,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:55,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:31:55,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:55,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash 166702807, now seen corresponding path program 1 times [2024-11-08 15:31:55,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:55,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654044916] [2024-11-08 15:31:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:56,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:56,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:56,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:56,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:56,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654044916] [2024-11-08 15:31:56,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654044916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:56,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:56,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:56,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529292972] [2024-11-08 15:31:56,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:56,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:56,074 INFO L87 Difference]: Start difference. First operand 17012 states and 25850 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:58,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:31:58,107 INFO L93 Difference]: Finished difference Result 38740 states and 59656 transitions. [2024-11-08 15:31:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:31:58,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:31:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:31:58,202 INFO L225 Difference]: With dead ends: 38740 [2024-11-08 15:31:58,202 INFO L226 Difference]: Without dead ends: 21744 [2024-11-08 15:31:58,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:31:58,353 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 797 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:31:58,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 924 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:31:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21744 states. [2024-11-08 15:31:59,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21744 to 17012. [2024-11-08 15:31:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17012 states, 15576 states have (on average 1.4785567539804827) internal successors, (23030), 15641 states have internal predecessors, (23030), 981 states have call successors, (981), 390 states have call predecessors, (981), 454 states have return successors, (1774), 1044 states have call predecessors, (1774), 981 states have call successors, (1774) [2024-11-08 15:31:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17012 states to 17012 states and 25785 transitions. [2024-11-08 15:31:59,751 INFO L78 Accepts]: Start accepts. Automaton has 17012 states and 25785 transitions. Word has length 139 [2024-11-08 15:31:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:31:59,752 INFO L471 AbstractCegarLoop]: Abstraction has 17012 states and 25785 transitions. [2024-11-08 15:31:59,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:31:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 17012 states and 25785 transitions. [2024-11-08 15:31:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:31:59,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:31:59,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:31:59,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:31:59,773 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:31:59,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:31:59,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1975157671, now seen corresponding path program 1 times [2024-11-08 15:31:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:31:59,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857773218] [2024-11-08 15:31:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:31:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:31:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:31:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:31:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:31:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:31:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:31:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:31:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:31:59,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:31:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857773218] [2024-11-08 15:31:59,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857773218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:31:59,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:31:59,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:31:59,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061169336] [2024-11-08 15:31:59,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:31:59,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:31:59,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:31:59,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:31:59,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:31:59,963 INFO L87 Difference]: Start difference. First operand 17012 states and 25785 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:04,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:32:04,488 INFO L93 Difference]: Finished difference Result 60580 states and 92864 transitions. [2024-11-08 15:32:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:32:04,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:32:04,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:32:04,651 INFO L225 Difference]: With dead ends: 60580 [2024-11-08 15:32:04,651 INFO L226 Difference]: Without dead ends: 43584 [2024-11-08 15:32:04,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:32:04,696 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 1124 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 2943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:32:04,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 1834 Invalid, 2943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 15:32:04,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43584 states. [2024-11-08 15:32:06,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43584 to 33911. [2024-11-08 15:32:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33911 states, 31131 states have (on average 1.4782692493013394) internal successors, (46020), 31260 states have internal predecessors, (46020), 1877 states have call successors, (1877), 774 states have call predecessors, (1877), 902 states have return successors, (4192), 2004 states have call predecessors, (4192), 1877 states have call successors, (4192) [2024-11-08 15:32:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33911 states to 33911 states and 52089 transitions. [2024-11-08 15:32:06,941 INFO L78 Accepts]: Start accepts. Automaton has 33911 states and 52089 transitions. Word has length 139 [2024-11-08 15:32:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:32:06,942 INFO L471 AbstractCegarLoop]: Abstraction has 33911 states and 52089 transitions. [2024-11-08 15:32:06,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 33911 states and 52089 transitions. [2024-11-08 15:32:06,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:32:06,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:32:06,990 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:32:06,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:32:06,991 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:32:06,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:32:06,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1856716197, now seen corresponding path program 1 times [2024-11-08 15:32:06,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:32:06,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711018324] [2024-11-08 15:32:06,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:32:06,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:32:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:32:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:32:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:32:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:32:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:32:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:32:07,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:32:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711018324] [2024-11-08 15:32:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711018324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:32:07,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:32:07,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:32:07,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590625793] [2024-11-08 15:32:07,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:32:07,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:32:07,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:32:07,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:32:07,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:32:07,215 INFO L87 Difference]: Start difference. First operand 33911 states and 52089 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:11,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:32:11,515 INFO L93 Difference]: Finished difference Result 75348 states and 116587 transitions. [2024-11-08 15:32:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:32:11,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:32:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:32:11,669 INFO L225 Difference]: With dead ends: 75348 [2024-11-08 15:32:11,669 INFO L226 Difference]: Without dead ends: 41454 [2024-11-08 15:32:11,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:32:11,768 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 356 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:32:11,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 1231 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:32:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41454 states. [2024-11-08 15:32:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41454 to 33914. [2024-11-08 15:32:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33914 states, 31134 states have (on average 1.4741119033853665) internal successors, (45895), 31263 states have internal predecessors, (45895), 1877 states have call successors, (1877), 774 states have call predecessors, (1877), 902 states have return successors, (4192), 2004 states have call predecessors, (4192), 1877 states have call successors, (4192) [2024-11-08 15:32:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33914 states to 33914 states and 51964 transitions. [2024-11-08 15:32:14,101 INFO L78 Accepts]: Start accepts. Automaton has 33914 states and 51964 transitions. Word has length 139 [2024-11-08 15:32:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:32:14,101 INFO L471 AbstractCegarLoop]: Abstraction has 33914 states and 51964 transitions. [2024-11-08 15:32:14,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 33914 states and 51964 transitions. [2024-11-08 15:32:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:32:14,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:32:14,133 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:32:14,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:32:14,134 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:32:14,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:32:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1381519897, now seen corresponding path program 1 times [2024-11-08 15:32:14,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:32:14,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707195098] [2024-11-08 15:32:14,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:32:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:32:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:32:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:32:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:32:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:32:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:32:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:32:14,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:32:14,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707195098] [2024-11-08 15:32:14,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707195098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:32:14,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:32:14,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:32:14,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854887746] [2024-11-08 15:32:14,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:32:14,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:32:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:32:14,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:32:14,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:32:14,292 INFO L87 Difference]: Start difference. First operand 33914 states and 51964 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:18,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:32:18,122 INFO L93 Difference]: Finished difference Result 75741 states and 116853 transitions. [2024-11-08 15:32:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:32:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-08 15:32:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:32:18,244 INFO L225 Difference]: With dead ends: 75741 [2024-11-08 15:32:18,244 INFO L226 Difference]: Without dead ends: 41844 [2024-11-08 15:32:18,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:32:18,319 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 369 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:32:18,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1231 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:32:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41844 states. [2024-11-08 15:32:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41844 to 34301. [2024-11-08 15:32:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34301 states, 31521 states have (on average 1.4682909806160973) internal successors, (46282), 31650 states have internal predecessors, (46282), 1877 states have call successors, (1877), 774 states have call predecessors, (1877), 902 states have return successors, (4192), 2004 states have call predecessors, (4192), 1877 states have call successors, (4192) [2024-11-08 15:32:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34301 states to 34301 states and 52351 transitions. [2024-11-08 15:32:20,811 INFO L78 Accepts]: Start accepts. Automaton has 34301 states and 52351 transitions. Word has length 139 [2024-11-08 15:32:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:32:20,811 INFO L471 AbstractCegarLoop]: Abstraction has 34301 states and 52351 transitions. [2024-11-08 15:32:20,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 15:32:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 34301 states and 52351 transitions. [2024-11-08 15:32:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:32:20,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:32:20,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:32:20,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:32:20,851 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:32:20,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:32:20,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1036384169, now seen corresponding path program 1 times [2024-11-08 15:32:20,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:32:20,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707817365] [2024-11-08 15:32:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:32:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:32:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:32:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:20,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 15:32:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:32:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:21,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:32:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:21,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:32:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:32:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:32:21,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:32:21,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707817365] [2024-11-08 15:32:21,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707817365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:32:21,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:32:21,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:32:21,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668201110] [2024-11-08 15:32:21,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:32:21,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:32:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:32:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:32:21,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:32:21,103 INFO L87 Difference]: Start difference. First operand 34301 states and 52351 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)