./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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.2.M4-2.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 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:06:14,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:06:14,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:06:14,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:06:14,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:06:14,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:06:14,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:06:14,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:06:14,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:06:14,834 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:06:14,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:06:14,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:06:14,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:06:14,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:06:14,835 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:06:14,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:06:14,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:06:14,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:06:14,836 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 -> 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 [2025-03-08 06:06:15,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:06:15,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:06:15,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:06:15,108 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:06:15,108 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:06:15,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-03-08 06:06:16,359 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c821b89/52202ef939ac4439ba97a59ce584c540/FLAG75a200cbc [2025-03-08 06:06:16,812 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:06:16,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-03-08 06:06:16,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c821b89/52202ef939ac4439ba97a59ce584c540/FLAG75a200cbc [2025-03-08 06:06:16,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c821b89/52202ef939ac4439ba97a59ce584c540 [2025-03-08 06:06:16,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:06:16,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:06:16,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:06:16,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:06:16,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:06:16,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:16" (1/1) ... [2025-03-08 06:06:16,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99c01a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:16, skipping insertion in model container [2025-03-08 06:06:16,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:16" (1/1) ... [2025-03-08 06:06:16,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:06:17,257 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.2.M4-2.c[2320,2333] [2025-03-08 06:06:18,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:06:18,315 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:06:18,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [48] [2025-03-08 06:06:18,326 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.2.M4-2.c[2320,2333] [2025-03-08 06:06:19,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:06:19,166 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:06:19,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19 WrapperNode [2025-03-08 06:06:19,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:06:19,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:06:19,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:06:19,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:06:19,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:19,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:21,061 INFO L138 Inliner]: procedures = 73, calls = 23336, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 48993 [2025-03-08 06:06:21,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:06:21,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:06:21,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:06:21,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:06:21,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:21,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:21,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:21,621 INFO L175 MemorySlicer]: Split 18581 memory accesses to 32 slices as follows [2, 8, 7, 4, 2, 194, 17, 9, 2784, 3584, 2352, 1664, 1060, 852, 325, 8, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 2, 429, 325, 429]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 0, 2, 0, 2, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 0, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 0, 108, 108, 108]. The 2057 writes are split as follows [1, 4, 3, 0, 0, 98, 1, 1, 96, 96, 8, 8, 4, 4, 109, 4, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 1, 107, 109, 107]. [2025-03-08 06:06:21,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:21,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:06:22,929 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:06:22,929 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:06:22,929 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:06:22,930 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (1/1) ... [2025-03-08 06:06:22,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:06:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:06:22,954 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) [2025-03-08 06:06:22,959 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 [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2025-03-08 06:06:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-03-08 06:06:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-08 06:06:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:06:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:06:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-08 06:06:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-08 06:06:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-08 06:06:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-03-08 06:06:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-08 06:06:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 06:06:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 06:06:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 06:06:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:06:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:06:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-08 06:06:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-08 06:06:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-08 06:06:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-08 06:06:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-03-08 06:06:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-03-08 06:06:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 06:06:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 06:06:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 06:06:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:06:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-08 06:06:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-08 06:06:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:06:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:06:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-03-08 06:06:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-03-08 06:06:24,615 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:06:24,617 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:06:24,978 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: 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; [2025-03-08 06:06:24,980 INFO L1307 $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; [2025-03-08 06:06:59,280 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-03-08 06:06:59,281 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:06:59,403 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:06:59,403 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:06:59,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:59 BoogieIcfgContainer [2025-03-08 06:06:59,404 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:06:59,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:06:59,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:06:59,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:06:59,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:06:16" (1/3) ... [2025-03-08 06:06:59,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b95cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:59, skipping insertion in model container [2025-03-08 06:06:59,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:19" (2/3) ... [2025-03-08 06:06:59,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b95cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:59, skipping insertion in model container [2025-03-08 06:06:59,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:59" (3/3) ... [2025-03-08 06:06:59,414 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-2.c [2025-03-08 06:06:59,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:06:59,430 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-2.c that has 25 procedures, 13236 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 06:06:59,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:06:59,731 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;@2e852eec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:06:59,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 06:06:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 13236 states, 8526 states have (on average 1.3010790523105793) internal successors, (11093), 8640 states have internal predecessors, (11093), 4684 states have call successors, (4684), 24 states have call predecessors, (4684), 24 states have return successors, (4684), 4681 states have call predecessors, (4684), 4684 states have call successors, (4684) [2025-03-08 06:07:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-03-08 06:07:00,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:00,656 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 [2025-03-08 06:07:00,665 INFO L85 PathProgramCache]: Analyzing trace with hash -614817168, now seen corresponding path program 1 times [2025-03-08 06:07:00,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:00,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796835844] [2025-03-08 06:07:00,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:00,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms