./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label41+token_ring.13.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label41+token_ring.13.cil-2.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 6167950643e67727b303c7b99fc0839aa2067301d926538b67f3f160c480440e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 22:06:59,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 22:06:59,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 22:06:59,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 22:06:59,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 22:06:59,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 22:06:59,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 22:06:59,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 22:06:59,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 22:06:59,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 22:06:59,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 22:06:59,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 22:06:59,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 22:06:59,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 22:06:59,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 22:06:59,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 22:06:59,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 22:06:59,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 22:06:59,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 22:06:59,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 22:06:59,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 22:06:59,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 22:06:59,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 22:06:59,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 22:06:59,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 22:06:59,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 22:06:59,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 22:06:59,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 22:06:59,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 22:06:59,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 22:06:59,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 22:06:59,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 22:06:59,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 22:06:59,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 22:06:59,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 22:06:59,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 22:06:59,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 22:06:59,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 22:06:59,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 22:06:59,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 22:06:59,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 22:06:59,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 22:06:59,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6167950643e67727b303c7b99fc0839aa2067301d926538b67f3f160c480440e [2024-11-11 22:07:00,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 22:07:00,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 22:07:00,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 22:07:00,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 22:07:00,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 22:07:00,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label41+token_ring.13.cil-2.c [2024-11-11 22:07:01,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 22:07:02,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 22:07:02,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label41+token_ring.13.cil-2.c [2024-11-11 22:07:02,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7305e8efd/7343032a9e0a4b8ba2f0023ea77b0bd0/FLAG10bcb3598 [2024-11-11 22:07:02,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7305e8efd/7343032a9e0a4b8ba2f0023ea77b0bd0 [2024-11-11 22:07:02,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 22:07:02,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 22:07:02,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 22:07:02,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 22:07:02,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 22:07:02,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:07:02" (1/1) ... [2024-11-11 22:07:02,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e188fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:02, skipping insertion in model container [2024-11-11 22:07:02,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:07:02" (1/1) ... [2024-11-11 22:07:02,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 22:07:04,261 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/combinations/Problem05_label41+token_ring.13.cil-2.c[376251,376264] [2024-11-11 22:07:04,296 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/combinations/Problem05_label41+token_ring.13.cil-2.c[383339,383352] [2024-11-11 22:07:04,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 22:07:04,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 22:07:05,338 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/combinations/Problem05_label41+token_ring.13.cil-2.c[376251,376264] [2024-11-11 22:07:05,355 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/combinations/Problem05_label41+token_ring.13.cil-2.c[383339,383352] [2024-11-11 22:07:05,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 22:07:05,449 INFO L204 MainTranslator]: Completed translation [2024-11-11 22:07:05,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05 WrapperNode [2024-11-11 22:07:05,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 22:07:05,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 22:07:05,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 22:07:05,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 22:07:05,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:05,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:05,908 INFO L138 Inliner]: procedures = 70, calls = 80, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 13293 [2024-11-11 22:07:05,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 22:07:05,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 22:07:05,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 22:07:05,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 22:07:05,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:05,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,154 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]. [2024-11-11 22:07:06,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 22:07:06,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 22:07:06,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 22:07:06,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 22:07:06,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (1/1) ... [2024-11-11 22:07:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 22:07:06,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 22:07:06,751 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) [2024-11-11 22:07:06,773 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 [2024-11-11 22:07:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 22:07:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-11 22:07:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-11 22:07:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-11 22:07:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-11 22:07:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-11 22:07:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-11 22:07:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-11 22:07:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-11 22:07:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-11 22:07:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-11 22:07:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-11 22:07:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-11 22:07:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 22:07:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 22:07:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 22:07:07,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 22:07:07,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 22:07:14,997 INFO L? ?]: Removed 1761 outVars from TransFormulas that were not future-live. [2024-11-11 22:07:14,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 22:07:15,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 22:07:15,051 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-11 22:07:15,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 10:07:15 BoogieIcfgContainer [2024-11-11 22:07:15,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 22:07:15,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 22:07:15,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 22:07:15,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 22:07:15,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 10:07:02" (1/3) ... [2024-11-11 22:07:15,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4de5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 10:07:15, skipping insertion in model container [2024-11-11 22:07:15,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:07:05" (2/3) ... [2024-11-11 22:07:15,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4de5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 10:07:15, skipping insertion in model container [2024-11-11 22:07:15,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 10:07:15" (3/3) ... [2024-11-11 22:07:15,062 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label41+token_ring.13.cil-2.c [2024-11-11 22:07:15,078 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 22:07:15,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 22:07:15,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 22:07:15,211 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;@31e2afa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 22:07:15,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 22:07:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 2604 states, 2568 states have (on average 1.837227414330218) internal successors, (4718), 2571 states have internal predecessors, (4718), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 22:07:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:15,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:15,254 INFO L218 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] [2024-11-11 22:07:15,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:15,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash -481144573, now seen corresponding path program 1 times [2024-11-11 22:07:15,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:15,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389263206] [2024-11-11 22:07:15,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:15,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:15,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389263206] [2024-11-11 22:07:15,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389263206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:15,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:15,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 22:07:15,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42853367] [2024-11-11 22:07:15,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:15,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 22:07:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:15,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 22:07:15,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 22:07:15,989 INFO L87 Difference]: Start difference. First operand has 2604 states, 2568 states have (on average 1.837227414330218) internal successors, (4718), 2571 states have internal predecessors, (4718), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-11 22:07:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:18,266 INFO L93 Difference]: Finished difference Result 5353 states and 9793 transitions. [2024-11-11 22:07:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 22:07:18,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:18,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:18,308 INFO L225 Difference]: With dead ends: 5353 [2024-11-11 22:07:18,309 INFO L226 Difference]: Without dead ends: 2690 [2024-11-11 22:07:18,322 INFO L434 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 [2024-11-11 22:07:18,328 INFO L435 NwaCegarLoop]: 4406 mSDtfsCounter, 1125 mSDsluCounter, 12519 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 16925 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:18,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 16925 Invalid, 1171 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [58 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 22:07:18,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-11 22:07:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2537. [2024-11-11 22:07:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2502 states have (on average 1.819744204636291) internal successors, (4553), 2504 states have internal predecessors, (4553), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 22:07:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 4607 transitions. [2024-11-11 22:07:18,506 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 4607 transitions. Word has length 189 [2024-11-11 22:07:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:18,507 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 4607 transitions. [2024-11-11 22:07:18,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-11 22:07:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 4607 transitions. [2024-11-11 22:07:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:18,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:18,514 INFO L218 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] [2024-11-11 22:07:18,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 22:07:18,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:18,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:18,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1484842181, now seen corresponding path program 1 times [2024-11-11 22:07:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205220863] [2024-11-11 22:07:18,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:18,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:18,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205220863] [2024-11-11 22:07:18,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205220863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:18,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:18,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 22:07:18,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976299042] [2024-11-11 22:07:18,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:18,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 22:07:18,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 22:07:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 22:07:18,834 INFO L87 Difference]: Start difference. First operand 2537 states and 4607 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-11 22:07:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:21,139 INFO L93 Difference]: Finished difference Result 3089 states and 5491 transitions. [2024-11-11 22:07:21,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 22:07:21,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:21,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:21,153 INFO L225 Difference]: With dead ends: 3089 [2024-11-11 22:07:21,153 INFO L226 Difference]: Without dead ends: 2690 [2024-11-11 22:07:21,156 INFO L434 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 [2024-11-11 22:07:21,157 INFO L435 NwaCegarLoop]: 4336 mSDtfsCounter, 1111 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 16652 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:21,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 16652 Invalid, 1170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [58 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-11 22:07:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-11 22:07:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2537. [2024-11-11 22:07:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2502 states have (on average 1.8193445243804955) internal successors, (4552), 2504 states have internal predecessors, (4552), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 22:07:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 4606 transitions. [2024-11-11 22:07:21,244 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 4606 transitions. Word has length 189 [2024-11-11 22:07:21,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:21,245 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 4606 transitions. [2024-11-11 22:07:21,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-11 22:07:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 4606 transitions. [2024-11-11 22:07:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:21,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:21,249 INFO L218 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] [2024-11-11 22:07:21,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 22:07:21,250 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:21,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:21,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1307026809, now seen corresponding path program 1 times [2024-11-11 22:07:21,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:21,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998603671] [2024-11-11 22:07:21,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:21,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:21,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:21,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998603671] [2024-11-11 22:07:21,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998603671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:21,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:21,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 22:07:21,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703295175] [2024-11-11 22:07:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:21,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 22:07:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:21,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 22:07:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 22:07:21,743 INFO L87 Difference]: Start difference. First operand 2537 states and 4606 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 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) [2024-11-11 22:07:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:24,876 INFO L93 Difference]: Finished difference Result 3653 states and 6401 transitions. [2024-11-11 22:07:24,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 22:07:24,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:24,893 INFO L225 Difference]: With dead ends: 3653 [2024-11-11 22:07:24,894 INFO L226 Difference]: Without dead ends: 3258 [2024-11-11 22:07:24,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-11 22:07:24,899 INFO L435 NwaCegarLoop]: 4304 mSDtfsCounter, 5646 mSDsluCounter, 12935 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 17239 SdHoareTripleChecker+Invalid, 2544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:24,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5666 Valid, 17239 Invalid, 2544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 2432 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-11 22:07:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2024-11-11 22:07:25,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 2953. [2024-11-11 22:07:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2889 states have (on average 1.7871235721703012) internal successors, (5163), 2892 states have internal predecessors, (5163), 49 states have call successors, (49), 12 states have call predecessors, (49), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2024-11-11 22:07:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 5264 transitions. [2024-11-11 22:07:25,040 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 5264 transitions. Word has length 189 [2024-11-11 22:07:25,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:25,041 INFO L471 AbstractCegarLoop]: Abstraction has 2953 states and 5264 transitions. [2024-11-11 22:07:25,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 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) [2024-11-11 22:07:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 5264 transitions. [2024-11-11 22:07:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:25,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:25,044 INFO L218 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] [2024-11-11 22:07:25,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 22:07:25,045 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:25,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash 711601675, now seen corresponding path program 1 times [2024-11-11 22:07:25,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:25,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227144968] [2024-11-11 22:07:25,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:25,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:25,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227144968] [2024-11-11 22:07:25,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227144968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:25,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:25,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:25,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526687629] [2024-11-11 22:07:25,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:25,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:25,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:25,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:25,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:25,415 INFO L87 Difference]: Start difference. First operand 2953 states and 5264 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:29,690 INFO L93 Difference]: Finished difference Result 4659 states and 8012 transitions. [2024-11-11 22:07:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:29,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:29,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:29,712 INFO L225 Difference]: With dead ends: 4659 [2024-11-11 22:07:29,713 INFO L226 Difference]: Without dead ends: 3848 [2024-11-11 22:07:29,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:07:29,722 INFO L435 NwaCegarLoop]: 4572 mSDtfsCounter, 5693 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5713 SdHoareTripleChecker+Valid, 22527 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:29,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5713 Valid, 22527 Invalid, 3908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 3845 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-11 22:07:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2024-11-11 22:07:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 3340. [2024-11-11 22:07:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 3247 states have (on average 1.760394210040037) internal successors, (5716), 3251 states have internal predecessors, (5716), 71 states have call successors, (71), 18 states have call predecessors, (71), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2024-11-11 22:07:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 5863 transitions. [2024-11-11 22:07:29,846 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 5863 transitions. Word has length 189 [2024-11-11 22:07:29,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:29,846 INFO L471 AbstractCegarLoop]: Abstraction has 3340 states and 5863 transitions. [2024-11-11 22:07:29,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 5863 transitions. [2024-11-11 22:07:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:29,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:29,849 INFO L218 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] [2024-11-11 22:07:29,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 22:07:29,850 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:29,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:29,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1013006647, now seen corresponding path program 1 times [2024-11-11 22:07:29,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:29,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988617678] [2024-11-11 22:07:29,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:29,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:30,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:30,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:30,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988617678] [2024-11-11 22:07:30,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988617678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:30,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:30,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:30,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267398662] [2024-11-11 22:07:30,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:30,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:30,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:30,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:30,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:30,187 INFO L87 Difference]: Start difference. First operand 3340 states and 5863 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:34,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:34,370 INFO L93 Difference]: Finished difference Result 6142 states and 10367 transitions. [2024-11-11 22:07:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:34,395 INFO L225 Difference]: With dead ends: 6142 [2024-11-11 22:07:34,395 INFO L226 Difference]: Without dead ends: 4944 [2024-11-11 22:07:34,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:07:34,403 INFO L435 NwaCegarLoop]: 4570 mSDtfsCounter, 5687 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3824 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5707 SdHoareTripleChecker+Valid, 22525 SdHoareTripleChecker+Invalid, 3889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:34,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5707 Valid, 22525 Invalid, 3889 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 3824 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-11 22:07:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4944 states. [2024-11-11 22:07:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4944 to 4118. [2024-11-11 22:07:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4118 states, 3967 states have (on average 1.7214519788253089) internal successors, (6829), 3973 states have internal predecessors, (6829), 115 states have call successors, (115), 30 states have call predecessors, (115), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2024-11-11 22:07:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 4118 states and 7072 transitions. [2024-11-11 22:07:34,564 INFO L78 Accepts]: Start accepts. Automaton has 4118 states and 7072 transitions. Word has length 189 [2024-11-11 22:07:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:34,564 INFO L471 AbstractCegarLoop]: Abstraction has 4118 states and 7072 transitions. [2024-11-11 22:07:34,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4118 states and 7072 transitions. [2024-11-11 22:07:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:34,567 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:34,568 INFO L218 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] [2024-11-11 22:07:34,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 22:07:34,568 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:34,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash -442734841, now seen corresponding path program 1 times [2024-11-11 22:07:34,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:34,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539324391] [2024-11-11 22:07:34,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:34,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:34,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539324391] [2024-11-11 22:07:34,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539324391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:34,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:34,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:34,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421874683] [2024-11-11 22:07:34,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:34,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:34,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:34,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:34,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:34,925 INFO L87 Difference]: Start difference. First operand 4118 states and 7072 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:39,547 INFO L93 Difference]: Finished difference Result 9002 states and 14876 transitions. [2024-11-11 22:07:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:39,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:39,584 INFO L225 Difference]: With dead ends: 9002 [2024-11-11 22:07:39,585 INFO L226 Difference]: Without dead ends: 7026 [2024-11-11 22:07:39,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:07:39,596 INFO L435 NwaCegarLoop]: 4570 mSDtfsCounter, 5686 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3811 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5706 SdHoareTripleChecker+Valid, 22525 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:39,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5706 Valid, 22525 Invalid, 3876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 3811 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-11 22:07:39,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7026 states. [2024-11-11 22:07:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7026 to 5675. [2024-11-11 22:07:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5675 states, 5408 states have (on average 1.674371301775148) internal successors, (9055), 5418 states have internal predecessors, (9055), 203 states have call successors, (203), 54 states have call predecessors, (203), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2024-11-11 22:07:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 9496 transitions. [2024-11-11 22:07:39,951 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 9496 transitions. Word has length 189 [2024-11-11 22:07:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:39,952 INFO L471 AbstractCegarLoop]: Abstraction has 5675 states and 9496 transitions. [2024-11-11 22:07:39,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 9496 transitions. [2024-11-11 22:07:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:39,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:39,957 INFO L218 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] [2024-11-11 22:07:39,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 22:07:39,957 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:39,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:39,958 INFO L85 PathProgramCache]: Analyzing trace with hash 961134345, now seen corresponding path program 1 times [2024-11-11 22:07:39,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:39,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151567560] [2024-11-11 22:07:39,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:39,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:40,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:40,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151567560] [2024-11-11 22:07:40,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151567560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:40,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:40,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:40,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214348683] [2024-11-11 22:07:40,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:40,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:40,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:40,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:40,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:40,362 INFO L87 Difference]: Start difference. First operand 5675 states and 9496 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:44,594 INFO L93 Difference]: Finished difference Result 14721 states and 23910 transitions. [2024-11-11 22:07:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:44,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:44,643 INFO L225 Difference]: With dead ends: 14721 [2024-11-11 22:07:44,643 INFO L226 Difference]: Without dead ends: 11188 [2024-11-11 22:07:44,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:07:44,665 INFO L435 NwaCegarLoop]: 4570 mSDtfsCounter, 5685 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 22525 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:44,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5705 Valid, 22525 Invalid, 3863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 3798 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-11 22:07:44,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2024-11-11 22:07:45,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 8796. [2024-11-11 22:07:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 8297 states have (on average 1.629143063757985) internal successors, (13517), 8315 states have internal predecessors, (13517), 379 states have call successors, (379), 102 states have call predecessors, (379), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2024-11-11 22:07:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 14372 transitions. [2024-11-11 22:07:45,131 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 14372 transitions. Word has length 189 [2024-11-11 22:07:45,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:45,132 INFO L471 AbstractCegarLoop]: Abstraction has 8796 states and 14372 transitions. [2024-11-11 22:07:45,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 14372 transitions. [2024-11-11 22:07:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:45,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:45,140 INFO L218 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] [2024-11-11 22:07:45,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 22:07:45,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:45,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:45,141 INFO L85 PathProgramCache]: Analyzing trace with hash 175136455, now seen corresponding path program 1 times [2024-11-11 22:07:45,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:45,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792085323] [2024-11-11 22:07:45,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:45,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:45,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:45,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792085323] [2024-11-11 22:07:45,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792085323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:45,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:45,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:45,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305649982] [2024-11-11 22:07:45,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:45,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:45,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:45,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:45,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:45,482 INFO L87 Difference]: Start difference. First operand 8796 states and 14372 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:49,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:49,462 INFO L93 Difference]: Finished difference Result 26160 states and 42040 transitions. [2024-11-11 22:07:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:49,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:49,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:49,537 INFO L225 Difference]: With dead ends: 26160 [2024-11-11 22:07:49,537 INFO L226 Difference]: Without dead ends: 19506 [2024-11-11 22:07:49,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:07:49,576 INFO L435 NwaCegarLoop]: 4314 mSDtfsCounter, 5796 mSDsluCounter, 17215 mSDsCounter, 0 mSdLazyCounter, 3240 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5816 SdHoareTripleChecker+Valid, 21529 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:49,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5816 Valid, 21529 Invalid, 3343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 3240 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 22:07:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2024-11-11 22:07:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 15053. [2024-11-11 22:07:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15053 states, 14090 states have (on average 1.5942512420156139) internal successors, (22463), 14124 states have internal predecessors, (22463), 731 states have call successors, (731), 198 states have call predecessors, (731), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-11 22:07:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15053 states to 15053 states and 24200 transitions. [2024-11-11 22:07:50,329 INFO L78 Accepts]: Start accepts. Automaton has 15053 states and 24200 transitions. Word has length 189 [2024-11-11 22:07:50,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:50,330 INFO L471 AbstractCegarLoop]: Abstraction has 15053 states and 24200 transitions. [2024-11-11 22:07:50,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 15053 states and 24200 transitions. [2024-11-11 22:07:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:50,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:50,340 INFO L218 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] [2024-11-11 22:07:50,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 22:07:50,341 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash 842518345, now seen corresponding path program 1 times [2024-11-11 22:07:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:50,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306770370] [2024-11-11 22:07:50,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:50,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:50,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:50,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306770370] [2024-11-11 22:07:50,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306770370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:50,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:50,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374739655] [2024-11-11 22:07:50,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:50,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:50,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:50,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:50,769 INFO L87 Difference]: Start difference. First operand 15053 states and 24200 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:53,273 INFO L93 Difference]: Finished difference Result 32698 states and 52633 transitions. [2024-11-11 22:07:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 22:07:53,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:53,356 INFO L225 Difference]: With dead ends: 32698 [2024-11-11 22:07:53,356 INFO L226 Difference]: Without dead ends: 19787 [2024-11-11 22:07:53,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-11 22:07:53,409 INFO L435 NwaCegarLoop]: 4289 mSDtfsCounter, 5194 mSDsluCounter, 16880 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5215 SdHoareTripleChecker+Valid, 21169 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 22:07:53,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5215 Valid, 21169 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 22:07:53,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19787 states. [2024-11-11 22:07:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19787 to 15053. [2024-11-11 22:07:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15053 states, 14090 states have (on average 1.5919091554293825) internal successors, (22430), 14124 states have internal predecessors, (22430), 731 states have call successors, (731), 198 states have call predecessors, (731), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-11 22:07:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15053 states to 15053 states and 24167 transitions. [2024-11-11 22:07:54,347 INFO L78 Accepts]: Start accepts. Automaton has 15053 states and 24167 transitions. Word has length 189 [2024-11-11 22:07:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:07:54,348 INFO L471 AbstractCegarLoop]: Abstraction has 15053 states and 24167 transitions. [2024-11-11 22:07:54,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 15053 states and 24167 transitions. [2024-11-11 22:07:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:07:54,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:07:54,357 INFO L218 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] [2024-11-11 22:07:54,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 22:07:54,357 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:07:54,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:07:54,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1352710521, now seen corresponding path program 1 times [2024-11-11 22:07:54,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:07:54,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213716526] [2024-11-11 22:07:54,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:07:54,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:07:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:07:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:07:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:07:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:07:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:07:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:07:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:07:54,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:07:54,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213716526] [2024-11-11 22:07:54,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213716526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:07:54,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:07:54,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:07:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001093730] [2024-11-11 22:07:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:07:54,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:07:54,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:07:54,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:07:54,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:07:54,642 INFO L87 Difference]: Start difference. First operand 15053 states and 24167 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:07:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:07:59,809 INFO L93 Difference]: Finished difference Result 49005 states and 78262 transitions. [2024-11-11 22:07:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:07:59,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:07:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:07:59,965 INFO L225 Difference]: With dead ends: 49005 [2024-11-11 22:07:59,966 INFO L226 Difference]: Without dead ends: 36094 [2024-11-11 22:08:00,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:08:00,011 INFO L435 NwaCegarLoop]: 4570 mSDtfsCounter, 5676 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3747 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5696 SdHoareTripleChecker+Valid, 22525 SdHoareTripleChecker+Invalid, 3812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-11 22:08:00,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5696 Valid, 22525 Invalid, 3812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 3747 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-11 22:08:00,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36094 states. [2024-11-11 22:08:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36094 to 27631. [2024-11-11 22:08:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27631 states, 25740 states have (on average 1.5683760683760684) internal successors, (40370), 25806 states have internal predecessors, (40370), 1435 states have call successors, (1435), 390 states have call predecessors, (1435), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2024-11-11 22:08:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27631 states to 27631 states and 44033 transitions. [2024-11-11 22:08:01,640 INFO L78 Accepts]: Start accepts. Automaton has 27631 states and 44033 transitions. Word has length 189 [2024-11-11 22:08:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:08:01,641 INFO L471 AbstractCegarLoop]: Abstraction has 27631 states and 44033 transitions. [2024-11-11 22:08:01,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:08:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 27631 states and 44033 transitions. [2024-11-11 22:08:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:08:01,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:08:01,659 INFO L218 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] [2024-11-11 22:08:01,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 22:08:01,660 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:08:01,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:08:01,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1007882359, now seen corresponding path program 1 times [2024-11-11 22:08:01,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:08:01,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892925948] [2024-11-11 22:08:01,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:08:01,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:08:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:08:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 22:08:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 22:08:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 22:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 22:08:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 22:08:01,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 22:08:01,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892925948] [2024-11-11 22:08:01,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892925948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 22:08:01,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 22:08:01,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 22:08:01,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377116661] [2024-11-11 22:08:01,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 22:08:01,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 22:08:01,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 22:08:01,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 22:08:01,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 22:08:01,959 INFO L87 Difference]: Start difference. First operand 27631 states and 44033 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:08:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 22:08:08,188 INFO L93 Difference]: Finished difference Result 94765 states and 151582 transitions. [2024-11-11 22:08:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 22:08:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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 189 [2024-11-11 22:08:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 22:08:08,449 INFO L225 Difference]: With dead ends: 94765 [2024-11-11 22:08:08,449 INFO L226 Difference]: Without dead ends: 69276 [2024-11-11 22:08:08,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-11 22:08:08,540 INFO L435 NwaCegarLoop]: 4570 mSDtfsCounter, 5681 mSDsluCounter, 17955 mSDsCounter, 0 mSdLazyCounter, 3729 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5701 SdHoareTripleChecker+Valid, 22525 SdHoareTripleChecker+Invalid, 3794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 22:08:08,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5701 Valid, 22525 Invalid, 3794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 3729 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 22:08:08,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69276 states. [2024-11-11 22:08:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69276 to 52848. [2024-11-11 22:08:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52848 states, 49101 states have (on average 1.5547544856520235) internal successors, (76340), 49231 states have internal predecessors, (76340), 2843 states have call successors, (2843), 774 states have call predecessors, (2843), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2024-11-11 22:08:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52848 states to 52848 states and 84341 transitions. [2024-11-11 22:08:11,262 INFO L78 Accepts]: Start accepts. Automaton has 52848 states and 84341 transitions. Word has length 189 [2024-11-11 22:08:11,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 22:08:11,263 INFO L471 AbstractCegarLoop]: Abstraction has 52848 states and 84341 transitions. [2024-11-11 22:08:11,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-11-11 22:08:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 52848 states and 84341 transitions. [2024-11-11 22:08:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-11 22:08:11,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 22:08:11,294 INFO L218 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] [2024-11-11 22:08:11,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 22:08:11,294 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 22:08:11,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 22:08:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash -26927545, now seen corresponding path program 1 times [2024-11-11 22:08:11,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 22:08:11,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079280149] [2024-11-11 22:08:11,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 22:08:11,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 22:08:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 22:08:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 22:08:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat