./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.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 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:33:04,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:33:04,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:33:04,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:33:04,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:33:04,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:33:04,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:33:04,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:33:04,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:33:04,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:33:04,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:33:04,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:33:04,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:33:04,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:33:04,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:33:04,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:33:04,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:33:04,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:33:04,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:33:04,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:33:04,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:33:04,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:33:04,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:33:04,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:33:04,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:33:04,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:33:04,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:33:04,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:33:04,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:33:04,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:33:04,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:33:04,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:33:04,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:33:04,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:33:04,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:33:04,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:33:04,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:33:04,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:33:04,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:33:04,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:33:04,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:33:04,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:33:04,554 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 [2024-11-22 02:33:04,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:33:04,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:33:04,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:33:04,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:33:04,798 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:33:04,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-22 02:33:06,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:33:06,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:33:06,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-22 02:33:06,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70c0470e/51215df22a5f43378f108c6699805e17/FLAGe1603f583 [2024-11-22 02:33:06,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70c0470e/51215df22a5f43378f108c6699805e17 [2024-11-22 02:33:06,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:33:06,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:33:06,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:33:06,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:33:07,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:33:07,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:06" (1/1) ... [2024-11-22 02:33:07,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abff532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:07, skipping insertion in model container [2024-11-22 02:33:07,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:06" (1/1) ... [2024-11-22 02:33:07,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:33:07,540 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.1.M4-2.c[2232,2245] [2024-11-22 02:33:08,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:33:08,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:33:08,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2024-11-22 02:33:08,800 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.1.M4-2.c[2232,2245] [2024-11-22 02:33:09,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:33:10,099 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:33:10,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10 WrapperNode [2024-11-22 02:33:10,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:33:10,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:33:10,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:33:10,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:33:10,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:10,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:14,564 INFO L138 Inliner]: procedures = 61, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43681 [2024-11-22 02:33:14,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:33:14,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:33:14,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:33:14,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:33:14,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:14,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:15,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:16,002 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 2, 194, 17, 9, 2784, 8, 3760, 2408, 1672, 1188, 852, 325, 429, 325, 429, 325, 429, 325, 429, 8, 2, 4, 7]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [2, 0, 0, 8, 4, 96, 0, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 0, 0, 0, 2]. The 1193 writes are split as follows [0, 1, 98, 1, 1, 96, 4, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 4, 1, 0, 3]. [2024-11-22 02:33:16,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:16,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:33:17,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:33:17,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:33:17,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:33:17,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (1/1) ... [2024-11-22 02:33:17,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:33:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:33:17,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:33:17,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:33:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:33:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-22 02:33:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-22 02:33:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:33:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:33:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:33:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:33:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 02:33:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 02:33:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-22 02:33:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:33:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:33:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:33:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:33:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:33:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:33:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:33:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:33:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:33:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:33:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-22 02:33:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:33:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:33:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-22 02:33:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-22 02:33:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:33:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:33:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:33:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:33:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:33:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:33:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:33:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:33:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:33:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:33:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:33:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:33:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 02:33:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-22 02:33:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-22 02:33:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-22 02:33:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:33:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:33:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-22 02:33:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-22 02:33:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-22 02:33:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-22 02:33:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:33:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:33:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:33:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:33:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:33:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:33:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 02:33:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-22 02:33:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:33:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:33:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:33:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:33:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:33:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:33:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:33:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:33:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-22 02:33:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-22 02:33:19,485 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:33:19,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:33:53,441 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-22 02:33:53,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:33:53,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:33:53,552 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:33:53,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:53 BoogieIcfgContainer [2024-11-22 02:33:53,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:33:53,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:33:53,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:33:53,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:33:53,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:33:06" (1/3) ... [2024-11-22 02:33:53,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cb57a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:53, skipping insertion in model container [2024-11-22 02:33:53,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:10" (2/3) ... [2024-11-22 02:33:53,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cb57a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:53, skipping insertion in model container [2024-11-22 02:33:53,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:53" (3/3) ... [2024-11-22 02:33:53,562 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2024-11-22 02:33:53,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:33:53,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:33:54,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:33:54,211 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28856754, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:33:54,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:33:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 12637 states, 8206 states have (on average 1.309895198635145) internal successors, (10749), 8320 states have internal predecessors, (10749), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4405 states have call predecessors, (4408), 4408 states have call successors, (4408) [2024-11-22 02:33:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-22 02:33:54,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:33:54,790 INFO L215 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:33:54,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:33:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash 86084647, now seen corresponding path program 1 times [2024-11-22 02:33:54,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:33:54,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555782731] [2024-11-22 02:33:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:33:54,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms