./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 03:27:56,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:27:56,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:27:56,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:27:56,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:27:56,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:27:56,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:27:56,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:27:56,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:27:56,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:27:56,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:27:56,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:27:56,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:27:56,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:27:56,512 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:27:56,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:27:56,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:27:56,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:27:56,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:27:56,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:27:56,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:27:56,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:27:56,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:27:56,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:27:56,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:27:56,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:27:56,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:27:56,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:27:56,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:27:56,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:27:56,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:27:56,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:27:56,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:27:56,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:27:56,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:27:56,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:27:56,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:27:56,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:27:56,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:27:56,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:27:56,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:27:56,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:27:56,523 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 [2024-10-11 03:27:56,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:27:56,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:27:56,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:27:56,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:27:56,752 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:27:56,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-10-11 03:27:58,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:27:58,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:27:58,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-10-11 03:27:58,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/06ffab49b/dca63c4acb2943ac9826b3890ebb8de9/FLAG5317a196c [2024-10-11 03:27:58,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/06ffab49b/dca63c4acb2943ac9826b3890ebb8de9 [2024-10-11 03:27:58,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:27:58,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:27:58,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:27:58,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:27:58,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:27:58,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:27:58,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a80067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58, skipping insertion in model container [2024-10-11 03:27:58,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:27:58,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:27:58,999 WARN L248 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] [2024-10-11 03:28:00,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:28:00,036 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:28:00,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2024-10-11 03:28:00,053 WARN L248 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] [2024-10-11 03:28:00,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:28:00,743 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:28:00,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00 WrapperNode [2024-10-11 03:28:00,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:28:00,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:28:00,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:28:00,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:28:00,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:01,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:02,692 INFO L138 Inliner]: procedures = 60, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 42634 [2024-10-11 03:28:02,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:28:02,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:28:02,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:28:02,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:28:02,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:02,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:03,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:03,473 INFO L175 MemorySlicer]: Split 14886 memory accesses to 24 slices as follows [2, 2, 193, 17, 7, 8, 9, 2689, 3665, 2408, 1672, 1188, 852, 218, 322, 218, 4, 322, 218, 322, 218, 322, 2, 8]. 25 percent of accesses are in the largest equivalence class. The 136 initializations are split as follows [2, 0, 96, 8, 2, 0, 4, 0, 0, 8, 8, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 1106 writes are split as follows [0, 1, 1, 1, 3, 4, 1, 97, 97, 8, 8, 4, 4, 110, 108, 110, 0, 108, 110, 108, 110, 108, 1, 4]. [2024-10-11 03:28:03,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:03,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:28:04,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:28:04,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:28:04,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:28:04,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (1/1) ... [2024-10-11 03:28:04,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:28:04,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:28:04,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:28:04,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:28:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:28:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-10-11 03:28:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-10-11 03:28:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-10-11 03:28:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-10-11 03:28:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:28:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:28:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 03:28:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-10-11 03:28:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-10-11 03:28:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-10-11 03:28:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-10-11 03:28:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 03:28:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 03:28:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-10-11 03:28:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-10-11 03:28:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-10-11 03:28:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-10-11 03:28:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:28:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:28:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-10-11 03:28:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 03:28:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 03:28:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-11 03:28:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-10-11 03:28:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-10-11 03:28:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-10-11 03:28:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-10-11 03:28:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 03:28:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 03:28:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:28:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-10-11 03:28:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-10-11 03:28:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-10-11 03:28:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-10-11 03:28:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:28:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:28:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-10-11 03:28:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-10-11 03:28:06,197 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:28:06,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:28:30,711 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-10-11 03:28:30,712 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:28:31,529 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:28:31,529 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 03:28:31,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:28:31 BoogieIcfgContainer [2024-10-11 03:28:31,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:28:31,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:28:31,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:28:31,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:28:31,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:27:58" (1/3) ... [2024-10-11 03:28:31,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efbf7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:28:31, skipping insertion in model container [2024-10-11 03:28:31,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:28:00" (2/3) ... [2024-10-11 03:28:31,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efbf7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:28:31, skipping insertion in model container [2024-10-11 03:28:31,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:28:31" (3/3) ... [2024-10-11 03:28:31,539 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2024-10-11 03:28:31,552 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:28:31,553 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 03:28:31,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:28:31,789 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;@2a11690f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:28:31,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 03:28:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 12602 states, 8171 states have (on average 1.3112226165707992) internal successors, (10714), 8285 states have internal predecessors, (10714), 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) [2024-10-11 03:28:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5896 [2024-10-11 03:28:32,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:28:32,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:28:32,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:28:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2140130362, now seen corresponding path program 1 times [2024-10-11 03:28:32,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:28:32,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518558056] [2024-10-11 03:28:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:28:32,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:29:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat