./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.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 45519c8273c53879cf6a170ed74d5bc0be814b1f3243ce6c30d1d3efe9a3cf32 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:23:10,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:23:10,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:23:10,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:23:10,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:23:10,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:23:10,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:23:10,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:23:10,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:23:10,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:23:10,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:23:10,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:23:10,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:23:10,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:23:10,696 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:23:10,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:23:10,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:23:10,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:23:10,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:23:10,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:23:10,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:23:10,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:23:10,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:23:10,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:23:10,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:23:10,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:23:10,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:23:10,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:23:10,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:23:10,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:23:10,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:23:10,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:23:10,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:23:10,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:23:10,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:23:10,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:23:10,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:23:10,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:23:10,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:23:10,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:23:10,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:23:10,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:23:10,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45519c8273c53879cf6a170ed74d5bc0be814b1f3243ce6c30d1d3efe9a3cf32 [2024-11-19 22:23:10,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:23:10,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:23:10,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:23:10,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:23:10,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:23:10,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c [2024-11-19 22:23:12,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:23:12,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:23:12,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c [2024-11-19 22:23:12,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018c943a5/15d9552287674dd4a1d0fc57ff713994/FLAGb0501924e [2024-11-19 22:23:12,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018c943a5/15d9552287674dd4a1d0fc57ff713994 [2024-11-19 22:23:12,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:23:12,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:23:12,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:23:12,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:23:12,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:23:12,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:12" (1/1) ... [2024-11-19 22:23:12,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7a6c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:12, skipping insertion in model container [2024-11-19 22:23:12,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:12" (1/1) ... [2024-11-19 22:23:12,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:23:12,923 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.16.cil.c[706,719] [2024-11-19 22:23:13,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:23:13,039 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:23:13,047 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.16.cil.c[706,719] [2024-11-19 22:23:13,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:23:13,135 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:23:13,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13 WrapperNode [2024-11-19 22:23:13,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:23:13,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:23:13,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:23:13,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:23:13,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,203 INFO L138 Inliner]: procedures = 56, calls = 71, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 974 [2024-11-19 22:23:13,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:23:13,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:23:13,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:23:13,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:23:13,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,234 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]. [2024-11-19 22:23:13,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:23:13,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:23:13,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:23:13,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:23:13,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (1/1) ... [2024-11-19 22:23:13,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:23:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:23:13,328 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) [2024-11-19 22:23:13,330 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 [2024-11-19 22:23:13,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:23:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-19 22:23:13,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-19 22:23:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-19 22:23:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-19 22:23:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-19 22:23:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-19 22:23:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-19 22:23:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-19 22:23:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-19 22:23:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-19 22:23:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-19 22:23:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-19 22:23:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:23:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:23:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:23:13,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:23:13,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:23:14,233 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-19 22:23:14,233 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:23:14,258 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:23:14,258 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-19 22:23:14,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:14 BoogieIcfgContainer [2024-11-19 22:23:14,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:23:14,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:23:14,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:23:14,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:23:14,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:23:12" (1/3) ... [2024-11-19 22:23:14,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324509b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:14, skipping insertion in model container [2024-11-19 22:23:14,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:13" (2/3) ... [2024-11-19 22:23:14,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324509b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:14, skipping insertion in model container [2024-11-19 22:23:14,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:14" (3/3) ... [2024-11-19 22:23:14,265 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2024-11-19 22:23:14,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:23:14,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:23:14,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:23:14,338 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;@678aa44a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:23:14,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:23:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 439 states, 405 states have (on average 1.6493827160493828) internal successors, (668), 407 states have internal predecessors, (668), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 22:23:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:14,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:14,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:14,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:14,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:14,362 INFO L85 PathProgramCache]: Analyzing trace with hash 28157151, now seen corresponding path program 1 times [2024-11-19 22:23:14,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:14,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932017072] [2024-11-19 22:23:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:14,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:14,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:14,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932017072] [2024-11-19 22:23:14,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932017072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:14,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:14,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:23:14,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846836311] [2024-11-19 22:23:14,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:14,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:23:14,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:14,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:23:14,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:23:14,971 INFO L87 Difference]: Start difference. First operand has 439 states, 405 states have (on average 1.6493827160493828) internal successors, (668), 407 states have internal predecessors, (668), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-19 22:23:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:16,784 INFO L93 Difference]: Finished difference Result 1031 states and 1704 transitions. [2024-11-19 22:23:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:23:16,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:16,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:16,802 INFO L225 Difference]: With dead ends: 1031 [2024-11-19 22:23:16,802 INFO L226 Difference]: Without dead ends: 596 [2024-11-19 22:23:16,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:23:16,809 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1187 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:16,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 867 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:23:16,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-19 22:23:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 434. [2024-11-19 22:23:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 401 states have (on average 1.5586034912718205) internal successors, (625), 402 states have internal predecessors, (625), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 22:23:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 677 transitions. [2024-11-19 22:23:16,878 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 677 transitions. Word has length 195 [2024-11-19 22:23:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:16,878 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 677 transitions. [2024-11-19 22:23:16,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-19 22:23:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 677 transitions. [2024-11-19 22:23:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:16,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:16,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:16,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:23:16,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:16,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:16,883 INFO L85 PathProgramCache]: Analyzing trace with hash 276125345, now seen corresponding path program 1 times [2024-11-19 22:23:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679363555] [2024-11-19 22:23:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:16,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:17,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:17,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:17,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679363555] [2024-11-19 22:23:17,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679363555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:17,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:17,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:23:17,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708689803] [2024-11-19 22:23:17,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:17,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:23:17,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:17,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:23:17,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:23:17,102 INFO L87 Difference]: Start difference. First operand 434 states and 677 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-19 22:23:18,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:18,709 INFO L93 Difference]: Finished difference Result 1014 states and 1604 transitions. [2024-11-19 22:23:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:23:18,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:18,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:18,713 INFO L225 Difference]: With dead ends: 1014 [2024-11-19 22:23:18,715 INFO L226 Difference]: Without dead ends: 596 [2024-11-19 22:23:18,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:23:18,718 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 1174 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:18,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 853 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:23:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-19 22:23:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 434. [2024-11-19 22:23:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 401 states have (on average 1.5561097256857854) internal successors, (624), 402 states have internal predecessors, (624), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 22:23:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 676 transitions. [2024-11-19 22:23:18,750 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 676 transitions. Word has length 195 [2024-11-19 22:23:18,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:18,751 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 676 transitions. [2024-11-19 22:23:18,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-19 22:23:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 676 transitions. [2024-11-19 22:23:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:18,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:18,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:18,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:23:18,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:18,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2052855197, now seen corresponding path program 1 times [2024-11-19 22:23:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722488876] [2024-11-19 22:23:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:19,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:19,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:19,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:19,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722488876] [2024-11-19 22:23:19,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722488876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:19,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:19,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:19,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775394498] [2024-11-19 22:23:19,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:19,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:19,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:19,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:19,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:19,127 INFO L87 Difference]: Start difference. First operand 434 states and 676 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:20,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:20,864 INFO L93 Difference]: Finished difference Result 1037 states and 1651 transitions. [2024-11-19 22:23:20,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:23:20,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:20,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:20,868 INFO L225 Difference]: With dead ends: 1037 [2024-11-19 22:23:20,868 INFO L226 Difference]: Without dead ends: 625 [2024-11-19 22:23:20,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:23:20,872 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 1470 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:20,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1209 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:23:20,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-19 22:23:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 434. [2024-11-19 22:23:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 401 states have (on average 1.5536159600997506) internal successors, (623), 402 states have internal predecessors, (623), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 22:23:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 675 transitions. [2024-11-19 22:23:20,900 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 675 transitions. Word has length 195 [2024-11-19 22:23:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:20,901 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 675 transitions. [2024-11-19 22:23:20,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 675 transitions. [2024-11-19 22:23:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:20,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:20,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:20,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:23:20,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:20,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash 739013793, now seen corresponding path program 1 times [2024-11-19 22:23:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:20,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422139100] [2024-11-19 22:23:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:21,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:21,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422139100] [2024-11-19 22:23:21,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422139100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:21,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:21,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:21,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585845163] [2024-11-19 22:23:21,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:21,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:21,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:21,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:21,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:21,197 INFO L87 Difference]: Start difference. First operand 434 states and 675 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:25,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:25,288 INFO L93 Difference]: Finished difference Result 2043 states and 3244 transitions. [2024-11-19 22:23:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:25,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:25,296 INFO L225 Difference]: With dead ends: 2043 [2024-11-19 22:23:25,296 INFO L226 Difference]: Without dead ends: 1631 [2024-11-19 22:23:25,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:25,298 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 2690 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 4114 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 4186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 4114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:25,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 2859 Invalid, 4186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 4114 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-19 22:23:25,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2024-11-19 22:23:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 871. [2024-11-19 22:23:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 807 states have (on average 1.5650557620817844) internal successors, (1263), 810 states have internal predecessors, (1263), 49 states have call successors, (49), 12 states have call predecessors, (49), 14 states have return successors, (56), 50 states have call predecessors, (56), 49 states have call successors, (56) [2024-11-19 22:23:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1368 transitions. [2024-11-19 22:23:25,353 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1368 transitions. Word has length 195 [2024-11-19 22:23:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:25,354 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1368 transitions. [2024-11-19 22:23:25,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1368 transitions. [2024-11-19 22:23:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:25,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:25,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:25,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:23:25,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:25,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:25,357 INFO L85 PathProgramCache]: Analyzing trace with hash 829074083, now seen corresponding path program 1 times [2024-11-19 22:23:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:25,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638175323] [2024-11-19 22:23:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:25,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:25,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638175323] [2024-11-19 22:23:25,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638175323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:25,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:25,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:25,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934395918] [2024-11-19 22:23:25,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:25,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:25,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:25,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:25,654 INFO L87 Difference]: Start difference. First operand 871 states and 1368 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:29,369 INFO L93 Difference]: Finished difference Result 3984 states and 6297 transitions. [2024-11-19 22:23:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:29,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:29,380 INFO L225 Difference]: With dead ends: 3984 [2024-11-19 22:23:29,381 INFO L226 Difference]: Without dead ends: 3137 [2024-11-19 22:23:29,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:29,384 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 2748 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 3739 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 3822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:29,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 2723 Invalid, 3822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3739 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 22:23:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2024-11-19 22:23:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 1680. [2024-11-19 22:23:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1560 states have (on average 1.5564102564102564) internal successors, (2428), 1565 states have internal predecessors, (2428), 91 states have call successors, (91), 24 states have call predecessors, (91), 28 states have return successors, (108), 94 states have call predecessors, (108), 91 states have call successors, (108) [2024-11-19 22:23:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2627 transitions. [2024-11-19 22:23:29,471 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2627 transitions. Word has length 195 [2024-11-19 22:23:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:29,471 INFO L471 AbstractCegarLoop]: Abstraction has 1680 states and 2627 transitions. [2024-11-19 22:23:29,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2627 transitions. [2024-11-19 22:23:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:29,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:29,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:29,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:23:29,474 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:29,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:29,474 INFO L85 PathProgramCache]: Analyzing trace with hash 139242593, now seen corresponding path program 1 times [2024-11-19 22:23:29,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:29,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521199452] [2024-11-19 22:23:29,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:29,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:29,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:29,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521199452] [2024-11-19 22:23:29,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521199452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:29,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:29,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:29,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047184837] [2024-11-19 22:23:29,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:29,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:29,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:29,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:29,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:29,726 INFO L87 Difference]: Start difference. First operand 1680 states and 2627 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:33,484 INFO L93 Difference]: Finished difference Result 7803 states and 12288 transitions. [2024-11-19 22:23:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:33,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:33,502 INFO L225 Difference]: With dead ends: 7803 [2024-11-19 22:23:33,503 INFO L226 Difference]: Without dead ends: 6147 [2024-11-19 22:23:33,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:33,509 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 2692 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 4098 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 2858 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:33,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 2858 Invalid, 4172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 4098 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 22:23:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2024-11-19 22:23:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 3301. [2024-11-19 22:23:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3301 states, 3069 states have (on average 1.5516454871293581) internal successors, (4762), 3078 states have internal predecessors, (4762), 175 states have call successors, (175), 48 states have call predecessors, (175), 56 states have return successors, (218), 182 states have call predecessors, (218), 175 states have call successors, (218) [2024-11-19 22:23:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 5155 transitions. [2024-11-19 22:23:33,660 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 5155 transitions. Word has length 195 [2024-11-19 22:23:33,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:33,660 INFO L471 AbstractCegarLoop]: Abstraction has 3301 states and 5155 transitions. [2024-11-19 22:23:33,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 5155 transitions. [2024-11-19 22:23:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:33,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:33,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:33,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:23:33,663 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:33,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:33,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1268483357, now seen corresponding path program 1 times [2024-11-19 22:23:33,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:33,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946870355] [2024-11-19 22:23:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:33,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:33,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:33,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946870355] [2024-11-19 22:23:33,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946870355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:33,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:33,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:33,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567233161] [2024-11-19 22:23:33,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:33,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:33,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:33,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:33,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:33,944 INFO L87 Difference]: Start difference. First operand 3301 states and 5155 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:37,702 INFO L93 Difference]: Finished difference Result 15440 states and 24286 transitions. [2024-11-19 22:23:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:37,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:37,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:37,738 INFO L225 Difference]: With dead ends: 15440 [2024-11-19 22:23:37,741 INFO L226 Difference]: Without dead ends: 12163 [2024-11-19 22:23:37,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:37,752 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 2692 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:37,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 2856 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 22:23:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12163 states. [2024-11-19 22:23:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12163 to 6550. [2024-11-19 22:23:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 6094 states have (on average 1.5490646537577946) internal successors, (9440), 6111 states have internal predecessors, (9440), 343 states have call successors, (343), 96 states have call predecessors, (343), 112 states have return successors, (456), 358 states have call predecessors, (456), 343 states have call successors, (456) [2024-11-19 22:23:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 10239 transitions. [2024-11-19 22:23:38,054 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 10239 transitions. Word has length 195 [2024-11-19 22:23:38,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:38,054 INFO L471 AbstractCegarLoop]: Abstraction has 6550 states and 10239 transitions. [2024-11-19 22:23:38,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 10239 transitions. [2024-11-19 22:23:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:38,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:38,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:38,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:23:38,058 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:38,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -759704543, now seen corresponding path program 1 times [2024-11-19 22:23:38,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:38,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152114809] [2024-11-19 22:23:38,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:38,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152114809] [2024-11-19 22:23:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152114809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:38,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802950945] [2024-11-19 22:23:38,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:38,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:38,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:38,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:38,288 INFO L87 Difference]: Start difference. First operand 6550 states and 10239 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:42,616 INFO L93 Difference]: Finished difference Result 30713 states and 48340 transitions. [2024-11-19 22:23:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:42,680 INFO L225 Difference]: With dead ends: 30713 [2024-11-19 22:23:42,680 INFO L226 Difference]: Without dead ends: 24187 [2024-11-19 22:23:42,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:42,701 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2692 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 4065 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:42,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 2855 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 4065 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 22:23:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24187 states. [2024-11-19 22:23:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24187 to 13063. [2024-11-19 22:23:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13063 states, 12159 states have (on average 1.5476601694218275) internal successors, (18818), 12192 states have internal predecessors, (18818), 679 states have call successors, (679), 192 states have call predecessors, (679), 224 states have return successors, (986), 710 states have call predecessors, (986), 679 states have call successors, (986) [2024-11-19 22:23:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13063 states to 13063 states and 20483 transitions. [2024-11-19 22:23:43,329 INFO L78 Accepts]: Start accepts. Automaton has 13063 states and 20483 transitions. Word has length 195 [2024-11-19 22:23:43,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:43,330 INFO L471 AbstractCegarLoop]: Abstraction has 13063 states and 20483 transitions. [2024-11-19 22:23:43,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 13063 states and 20483 transitions. [2024-11-19 22:23:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:43,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:43,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:43,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:23:43,336 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:43,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1612012323, now seen corresponding path program 1 times [2024-11-19 22:23:43,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:43,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47543012] [2024-11-19 22:23:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:43,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:43,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47543012] [2024-11-19 22:23:43,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47543012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:43,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:43,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441712621] [2024-11-19 22:23:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:43,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:43,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:43,624 INFO L87 Difference]: Start difference. First operand 13063 states and 20483 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:48,664 INFO L93 Difference]: Finished difference Result 61258 states and 96638 transitions. [2024-11-19 22:23:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:23:48,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:48,780 INFO L225 Difference]: With dead ends: 61258 [2024-11-19 22:23:48,780 INFO L226 Difference]: Without dead ends: 48219 [2024-11-19 22:23:48,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:23:48,820 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2698 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 4125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:48,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 2855 Invalid, 4125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 22:23:48,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48219 states. [2024-11-19 22:23:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48219 to 26120. [2024-11-19 22:23:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26120 states, 24320 states have (on average 1.546875) internal successors, (37620), 24385 states have internal predecessors, (37620), 1351 states have call successors, (1351), 384 states have call predecessors, (1351), 448 states have return successors, (2208), 1414 states have call predecessors, (2208), 1351 states have call successors, (2208) [2024-11-19 22:23:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26120 states to 26120 states and 41179 transitions. [2024-11-19 22:23:50,376 INFO L78 Accepts]: Start accepts. Automaton has 26120 states and 41179 transitions. Word has length 195 [2024-11-19 22:23:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:50,376 INFO L471 AbstractCegarLoop]: Abstraction has 26120 states and 41179 transitions. [2024-11-19 22:23:50,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 26120 states and 41179 transitions. [2024-11-19 22:23:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:50,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:50,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:50,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:23:50,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:50,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash -112595999, now seen corresponding path program 1 times [2024-11-19 22:23:50,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:50,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880427863] [2024-11-19 22:23:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:50,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:50,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:50,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880427863] [2024-11-19 22:23:50,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880427863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:50,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:50,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621081314] [2024-11-19 22:23:50,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:50,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:50,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:50,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:50,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:50,650 INFO L87 Difference]: Start difference. First operand 26120 states and 41179 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:53,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:53,352 INFO L93 Difference]: Finished difference Result 61647 states and 98777 transitions. [2024-11-19 22:23:53,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:23:53,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:53,457 INFO L225 Difference]: With dead ends: 61647 [2024-11-19 22:23:53,457 INFO L226 Difference]: Without dead ends: 35549 [2024-11-19 22:23:53,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:23:53,507 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 1478 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:53,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1208 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 22:23:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35549 states. [2024-11-19 22:23:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35549 to 26120. [2024-11-19 22:23:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26120 states, 24320 states have (on average 1.544202302631579) internal successors, (37555), 24385 states have internal predecessors, (37555), 1351 states have call successors, (1351), 384 states have call predecessors, (1351), 448 states have return successors, (2208), 1414 states have call predecessors, (2208), 1351 states have call successors, (2208) [2024-11-19 22:23:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26120 states to 26120 states and 41114 transitions. [2024-11-19 22:23:54,680 INFO L78 Accepts]: Start accepts. Automaton has 26120 states and 41114 transitions. Word has length 195 [2024-11-19 22:23:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:54,680 INFO L471 AbstractCegarLoop]: Abstraction has 26120 states and 41114 transitions. [2024-11-19 22:23:54,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26120 states and 41114 transitions. [2024-11-19 22:23:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:54,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:54,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:54,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:23:54,688 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:54,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:54,689 INFO L85 PathProgramCache]: Analyzing trace with hash 457675807, now seen corresponding path program 1 times [2024-11-19 22:23:54,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:54,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417307347] [2024-11-19 22:23:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:54,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:23:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:23:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:23:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:23:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:23:54,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:23:54,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417307347] [2024-11-19 22:23:54,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417307347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:23:54,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:23:54,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:23:54,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295840559] [2024-11-19 22:23:54,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:23:54,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:23:54,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:23:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:23:54,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:23:54,891 INFO L87 Difference]: Start difference. First operand 26120 states and 41114 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:58,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:23:58,484 INFO L93 Difference]: Finished difference Result 61583 states and 98455 transitions. [2024-11-19 22:23:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:23:58,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:23:58,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:23:58,591 INFO L225 Difference]: With dead ends: 61583 [2024-11-19 22:23:58,592 INFO L226 Difference]: Without dead ends: 35485 [2024-11-19 22:23:58,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:23:58,644 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 1287 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:23:58,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 1442 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:23:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35485 states. [2024-11-19 22:23:59,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35485 to 26120. [2024-11-19 22:23:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26120 states, 24320 states have (on average 1.541529605263158) internal successors, (37490), 24385 states have internal predecessors, (37490), 1351 states have call successors, (1351), 384 states have call predecessors, (1351), 448 states have return successors, (2208), 1414 states have call predecessors, (2208), 1351 states have call successors, (2208) [2024-11-19 22:23:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26120 states to 26120 states and 41049 transitions. [2024-11-19 22:23:59,863 INFO L78 Accepts]: Start accepts. Automaton has 26120 states and 41049 transitions. Word has length 195 [2024-11-19 22:23:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:23:59,863 INFO L471 AbstractCegarLoop]: Abstraction has 26120 states and 41049 transitions. [2024-11-19 22:23:59,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:23:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 26120 states and 41049 transitions. [2024-11-19 22:23:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:23:59,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:23:59,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:23:59,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:23:59,871 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:23:59,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:23:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1861544993, now seen corresponding path program 1 times [2024-11-19 22:23:59,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:23:59,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735278073] [2024-11-19 22:23:59,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:23:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:23:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:23:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:23:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:24:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:24:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:24:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:24:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:24:00,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:24:00,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735278073] [2024-11-19 22:24:00,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735278073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:24:00,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:24:00,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:24:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336898777] [2024-11-19 22:24:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:24:00,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:24:00,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:24:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:24:00,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:24:00,090 INFO L87 Difference]: Start difference. First operand 26120 states and 41049 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:24:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:24:07,847 INFO L93 Difference]: Finished difference Result 122157 states and 192810 transitions. [2024-11-19 22:24:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:24:07,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:24:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:24:08,101 INFO L225 Difference]: With dead ends: 122157 [2024-11-19 22:24:08,101 INFO L226 Difference]: Without dead ends: 96061 [2024-11-19 22:24:08,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:24:08,168 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 2773 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2807 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 3678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:24:08,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2807 Valid, 2723 Invalid, 3678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 22:24:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96061 states. [2024-11-19 22:24:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96061 to 52489. [2024-11-19 22:24:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52489 states, 48897 states have (on average 1.5402989958484161) internal successors, (75316), 49026 states have internal predecessors, (75316), 2695 states have call successors, (2695), 768 states have call predecessors, (2695), 896 states have return successors, (5138), 2822 states have call predecessors, (5138), 2695 states have call successors, (5138) [2024-11-19 22:24:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52489 states to 52489 states and 83149 transitions. [2024-11-19 22:24:10,899 INFO L78 Accepts]: Start accepts. Automaton has 52489 states and 83149 transitions. Word has length 195 [2024-11-19 22:24:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:24:10,900 INFO L471 AbstractCegarLoop]: Abstraction has 52489 states and 83149 transitions. [2024-11-19 22:24:10,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:24:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 52489 states and 83149 transitions. [2024-11-19 22:24:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:24:10,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:24:10,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:24:10,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:24:10,914 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:24:10,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:24:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1075547103, now seen corresponding path program 1 times [2024-11-19 22:24:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:24:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855284475] [2024-11-19 22:24:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:24:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:24:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:10,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:24:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:24:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:11,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:24:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:24:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:24:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:24:11,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:24:11,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855284475] [2024-11-19 22:24:11,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855284475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:24:11,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:24:11,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:24:11,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636020592] [2024-11-19 22:24:11,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:24:11,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:24:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:24:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:24:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:24:11,316 INFO L87 Difference]: Start difference. First operand 52489 states and 83149 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:24:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:24:15,862 INFO L93 Difference]: Finished difference Result 123089 states and 198319 transitions. [2024-11-19 22:24:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:24:15,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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 195 [2024-11-19 22:24:15,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:24:16,073 INFO L225 Difference]: With dead ends: 123089 [2024-11-19 22:24:16,074 INFO L226 Difference]: Without dead ends: 70622 [2024-11-19 22:24:16,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:24:16,173 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 1475 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:24:16,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 1208 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:24:16,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70622 states. [2024-11-19 22:24:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70622 to 52489. [2024-11-19 22:24:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52489 states, 48897 states have (on average 1.5376607971859215) internal successors, (75187), 49026 states have internal predecessors, (75187), 2695 states have call successors, (2695), 768 states have call predecessors, (2695), 896 states have return successors, (5138), 2822 states have call predecessors, (5138), 2695 states have call successors, (5138) [2024-11-19 22:24:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52489 states to 52489 states and 83020 transitions. [2024-11-19 22:24:19,283 INFO L78 Accepts]: Start accepts. Automaton has 52489 states and 83020 transitions. Word has length 195 [2024-11-19 22:24:19,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:24:19,283 INFO L471 AbstractCegarLoop]: Abstraction has 52489 states and 83020 transitions. [2024-11-19 22:24:19,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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) [2024-11-19 22:24:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 52489 states and 83020 transitions. [2024-11-19 22:24:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 22:24:19,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:24:19,297 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:24:19,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:24:19,297 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:24:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:24:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1742928993, now seen corresponding path program 1 times [2024-11-19 22:24:19,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:24:19,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061797362] [2024-11-19 22:24:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:24:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:24:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:24:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:24:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:24:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 22:24:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 22:24:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:24:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:24:19,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:24:19,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061797362] [2024-11-19 22:24:19,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061797362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:24:19,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:24:19,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:24:19,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458816305] [2024-11-19 22:24:19,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:24:19,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:24:19,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:24:19,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:24:19,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:24:19,510 INFO L87 Difference]: Start difference. First operand 52489 states and 83020 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 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)