./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/seq-mthreaded/rekcba_aso.3.M4.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 c9b1c02d6c7be7efa5919110e2a46197af13f7e2bcd070264e9ea26a732e0c62 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:55:41,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:55:41,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:55:41,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:55:41,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:55:41,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:55:41,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:55:41,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:55:41,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:55:41,394 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:55:41,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:55:41,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:55:41,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:55:41,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:55:41,395 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:55:41,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:55:41,396 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:55:41,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:41,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:55:41,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:55:41,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:55:41,398 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/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 [2025-03-03 14:55:41,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:55:41,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:55:41,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:55:41,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:55:41,628 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:55:41,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2025-03-03 14:55:42,784 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30d4bfe2/4475e8eea63b4102a389729e6c54387b/FLAGe07a01f0f [2025-03-03 14:55:43,390 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:55:43,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2025-03-03 14:55:43,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30d4bfe2/4475e8eea63b4102a389729e6c54387b/FLAGe07a01f0f [2025-03-03 14:55:43,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30d4bfe2/4475e8eea63b4102a389729e6c54387b [2025-03-03 14:55:43,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:55:43,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:55:43,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:43,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:55:43,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:55:43,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:43" (1/1) ... [2025-03-03 14:55:43,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db4600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:43, skipping insertion in model container [2025-03-03 14:55:43,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:43" (1/1) ... [2025-03-03 14:55:44,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:55:44,267 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/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2025-03-03 14:55:45,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:45,343 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:55:45,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug3.i","-S") [48] [2025-03-03 14:55:45,355 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/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2025-03-03 14:55:46,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:46,156 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:55:46,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46 WrapperNode [2025-03-03 14:55:46,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:46,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:46,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:55:46,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:55:46,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:46,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:47,747 INFO L138 Inliner]: procedures = 73, calls = 23204, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 48646 [2025-03-03 14:55:47,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:47,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:55:47,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:55:47,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:55:47,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:47,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:48,088 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:48,318 INFO L175 MemorySlicer]: Split 18493 memory accesses to 32 slices as follows [8, 8, 2, 4, 2, 7, 194, 17, 9, 2784, 3544, 2352, 1660, 1016, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 2]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 0, 0, 0, 2, 2, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 0]. The 2057 writes are split as follows [4, 4, 1, 0, 0, 3, 98, 1, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 1]. [2025-03-03 14:55:48,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:48,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,046 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:55:49,616 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:55:49,616 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:55:49,616 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:55:49,617 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (1/1) ... [2025-03-03 14:55:49,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:55:49,642 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) [2025-03-03 14:55:49,644 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 [2025-03-03 14:55:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:55:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-03-03 14:55:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-03 14:55:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-03 14:55:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-03 14:55:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-03 14:55:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-03-03 14:55:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-03 14:55:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-03 14:55:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-03 14:55:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-03 14:55:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-03 14:55:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-03 14:55:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-03 14:55:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-03 14:55:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-03-03 14:55:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 14:55:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-03 14:55:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:55:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-03 14:55:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-03 14:55:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-03-03 14:55:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-03-03 14:55:51,091 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:55:51,092 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:55:51,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-03-03 14:55:51,409 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L105: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-03-03 14:56:23,889 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-03-03 14:56:23,889 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:56:24,022 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:56:24,022 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:56:24,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:56:24 BoogieIcfgContainer [2025-03-03 14:56:24,023 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:56:24,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:56:24,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:56:24,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:56:24,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:55:43" (1/3) ... [2025-03-03 14:56:24,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad78cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:56:24, skipping insertion in model container [2025-03-03 14:56:24,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:46" (2/3) ... [2025-03-03 14:56:24,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad78cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:56:24, skipping insertion in model container [2025-03-03 14:56:24,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:56:24" (3/3) ... [2025-03-03 14:56:24,032 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M4.c [2025-03-03 14:56:24,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:56:24,045 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. [2025-03-03 14:56:24,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:56:24,297 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;@27b48bf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:56:24,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:56:24,330 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) [2025-03-03 14:56:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-03-03 14:56:24,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:56:24,947 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 [2025-03-03 14:56:24,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2141129823, now seen corresponding path program 1 times [2025-03-03 14:56:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:56:24,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357466851] [2025-03-03 14:56:24,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:56:24,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms