./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 c00e63dc 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.2.M4-2.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 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 16:20:54,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 16:20:54,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 16:20:54,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 16:20:54,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 16:20:54,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 16:20:54,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 16:20:54,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 16:20:54,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 16:20:54,622 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 16:20:54,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 16:20:54,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 16:20:54,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 16:20:54,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 16:20:54,622 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 16:20:54,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 16:20:54,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 16:20:54,623 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 16:20:54,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:54,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 16:20:54,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 16:20:54,624 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 -> 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 [2025-02-05 16:20:54,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 16:20:54,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 16:20:54,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 16:20:54,848 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 16:20:54,848 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 16:20:54,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-02-05 16:20:55,949 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/875f6ddc8/d0c8496b2c8b4e6ba75c24eed91d10a9/FLAGf11f8c54d [2025-02-05 16:20:56,540 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 16:20:56,541 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-02-05 16:20:56,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/875f6ddc8/d0c8496b2c8b4e6ba75c24eed91d10a9/FLAGf11f8c54d [2025-02-05 16:20:56,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/875f6ddc8/d0c8496b2c8b4e6ba75c24eed91d10a9 [2025-02-05 16:20:56,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 16:20:56,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 16:20:56,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:56,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 16:20:56,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 16:20:56,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:56" (1/1) ... [2025-02-05 16:20:56,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e604623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:56, skipping insertion in model container [2025-02-05 16:20:56,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:56" (1/1) ... [2025-02-05 16:20:56,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 16:20:56,999 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.2.M4-2.c[2320,2333] [2025-02-05 16:20:57,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:58,009 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 16:20:58,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [48] [2025-02-05 16:20:58,020 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.2.M4-2.c[2320,2333] [2025-02-05 16:20:58,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:58,846 INFO L204 MainTranslator]: Completed translation [2025-02-05 16:20:58,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58 WrapperNode [2025-02-05 16:20:58,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:58,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:58,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 16:20:58,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 16:20:58,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:20:59,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,262 INFO L138 Inliner]: procedures = 73, calls = 23336, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 48993 [2025-02-05 16:21:01,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 16:21:01,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 16:21:01,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 16:21:01,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 16:21:01,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,368 INFO L175 MemorySlicer]: Split 18581 memory accesses to 32 slices as follows [8, 2, 8, 4, 7, 2, 2, 194, 17, 9, 2784, 3584, 2352, 1664, 1060, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 0, 0, 0, 2, 0, 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]. The 2057 writes are split as follows [4, 1, 4, 0, 3, 1, 0, 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]. [2025-02-05 16:21:02,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 16:21:03,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 16:21:03,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 16:21:03,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 16:21:03,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:21:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:21:03,868 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) [2025-02-05 16:21:03,871 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 [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2025-02-05 16:21:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-02-05 16:21:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-05 16:21:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:21:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-05 16:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-05 16:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-02-05 16:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-05 16:21:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-05 16:21:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-02-05 16:21:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-05 16:21:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-05 16:21:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:21:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 16:21:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-02-05 16:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-02-05 16:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-02-05 16:21:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-02-05 16:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-05 16:21:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-05 16:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-02-05 16:21:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-02-05 16:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-02-05 16:21:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-02-05 16:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 16:21:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-05 16:21:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 16:21:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-05 16:21:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-05 16:21:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-05 16:21:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-05 16:21:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:21:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:21:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-02-05 16:21:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-02-05 16:21:05,507 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 16:21:05,509 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 16:21:05,832 INFO L1309 $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; [2025-02-05 16:21:05,833 INFO L1309 $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; [2025-02-05 16:21:39,497 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-02-05 16:21:39,497 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 16:21:39,635 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 16:21:39,635 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 16:21:39,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:39 BoogieIcfgContainer [2025-02-05 16:21:39,636 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 16:21:39,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 16:21:39,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 16:21:39,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 16:21:39,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 04:20:56" (1/3) ... [2025-02-05 16:21:39,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7ffc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:39, skipping insertion in model container [2025-02-05 16:21:39,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (2/3) ... [2025-02-05 16:21:39,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7ffc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:39, skipping insertion in model container [2025-02-05 16:21:39,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:39" (3/3) ... [2025-02-05 16:21:39,643 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-2.c [2025-02-05 16:21:39,655 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 16:21:39,658 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. [2025-02-05 16:21:40,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 16:21:40,030 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;@2a666194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 16:21:40,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 16:21:40,074 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) [2025-02-05 16:21:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-02-05 16:21:40,587 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:40,591 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 [2025-02-05 16:21:40,599 INFO L85 PathProgramCache]: Analyzing trace with hash -614817168, now seen corresponding path program 1 times [2025-02-05 16:21:40,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:40,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522717669] [2025-02-05 16:21:40,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms