./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c9b1c02d6c7be7efa5919110e2a46197af13f7e2bcd070264e9ea26a732e0c62 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:29:38,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:29:38,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:29:38,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:29:38,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:29:38,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:29:38,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:29:38,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:29:38,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:29:38,886 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:29:38,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:29:38,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:29:38,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:29:38,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:29:38,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:29:38,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:38,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:38,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:38,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:38,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:29:38,892 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> c9b1c02d6c7be7efa5919110e2a46197af13f7e2bcd070264e9ea26a732e0c62 [2025-01-09 04:29:39,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:29:39,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:29:39,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:29:39,112 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:29:39,112 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:29:39,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2025-01-09 04:29:40,329 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c8ef425/c09e5a8fa8c841acae016d810e21883b/FLAGc0f0431ed [2025-01-09 04:29:40,824 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:29:40,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2025-01-09 04:29:40,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c8ef425/c09e5a8fa8c841acae016d810e21883b/FLAGc0f0431ed [2025-01-09 04:29:40,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c8ef425/c09e5a8fa8c841acae016d810e21883b [2025-01-09 04:29:40,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:29:40,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:29:40,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:40,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:29:40,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:29:40,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:40" (1/1) ... [2025-01-09 04:29:40,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b85ff7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:40, skipping insertion in model container [2025-01-09 04:29:40,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:40" (1/1) ... [2025-01-09 04:29:41,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:29:41,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2025-01-09 04:29:42,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:42,349 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:29:42,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug3.i","-S") [48] [2025-01-09 04:29:42,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2025-01-09 04:29:43,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:43,114 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:29:43,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43 WrapperNode [2025-01-09 04:29:43,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:43,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:43,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:29:43,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:29:43,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:43,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:44,954 INFO L138 Inliner]: procedures = 73, calls = 23204, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 48646 [2025-01-09 04:29:44,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:44,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:29:44,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:29:44,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:29:44,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:44,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:45,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:46,068 INFO L175 MemorySlicer]: Split 18493 memory accesses to 32 slices as follows [2, 2, 194, 8, 17, 9, 2784, 3544, 2352, 1660, 1016, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 2, 429, 325, 429, 4, 325, 7, 429, 325, 429, 8]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 2, 0, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 108, 0, 108, 108, 108, 0, 108, 2, 108, 108, 108, 0]. The 2057 writes are split as follows [1, 0, 98, 4, 1, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 109, 1, 107, 109, 107, 0, 109, 3, 107, 109, 107, 4]. [2025-01-09 04:29:46,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:46,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:46,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:46,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:47,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:47,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:47,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:47,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:29:47,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:29:47,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:29:47,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:29:47,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (1/1) ... [2025-01-09 04:29:47,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:47,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:29:47,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:29:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:29:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 04:29:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 04:29:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:29:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:29:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:29:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:29:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2025-01-09 04:29:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:29:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:29:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:29:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:29:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:29:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:29:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:29:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:29:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:29:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:29:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:29:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:29:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:29:49,100 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:29:49,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:30:18,945 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-01-09 04:30:18,945 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:30:19,100 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:30:19,101 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:30:19,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:30:19 BoogieIcfgContainer [2025-01-09 04:30:19,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:30:19,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:30:19,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:30:19,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:30:19,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:29:40" (1/3) ... [2025-01-09 04:30:19,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66882531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:30:19, skipping insertion in model container [2025-01-09 04:30:19,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:43" (2/3) ... [2025-01-09 04:30:19,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66882531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:30:19, skipping insertion in model container [2025-01-09 04:30:19,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:30:19" (3/3) ... [2025-01-09 04:30:19,108 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M4.c [2025-01-09 04:30:19,119 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:30:19,122 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.3.M4.c that has 26 procedures, 13154 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:30:19,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:30:19,404 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;@335a2edd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:30:19,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:30:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 13154 states, 8486 states have (on average 1.3026160735328778) internal successors, (11054), 8600 states have internal predecessors, (11054), 4641 states have call successors, (4641), 25 states have call predecessors, (4641), 25 states have return successors, (4641), 4638 states have call predecessors, (4641), 4641 states have call successors, (4641) [2025-01-09 04:30:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-01-09 04:30:20,147 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:20,152 INFO L218 NwaCegarLoop]: trace histogram [979, 979, 979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1664840457, now seen corresponding path program 1 times [2025-01-09 04:30:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:20,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753175920] [2025-01-09 04:30:20,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms