./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.M4-1.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.M4-1.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 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:27:52,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:27:52,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:27:52,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:27:52,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:27:52,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:27:52,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:27:52,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:27:52,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:27:52,783 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:27:52,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:27:52,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:27:52,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:27:52,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:27:52,787 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:27:52,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:27:52,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:27:52,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:27:52,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:27:52,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:27:52,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:27:52,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:27:52,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:27:52,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:27:52,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:27:52,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:27:52,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:27:52,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:27:52,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:27:52,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:27:52,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:27:52,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:27:52,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:27:52,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:27:52,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:27:52,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:27:52,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:27:52,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:27:52,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:27:52,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:27:52,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:27:52,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:27:52,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2024-10-11 03:27:53,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:27:53,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:27:53,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:27:53,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:27:53,138 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:27:53,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-10-11 03:27:54,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:27:55,203 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:27:55,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-10-11 03:27:55,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b6428da7c/6a622be19f684cdaaa1ba0534a9f8774/FLAG84378728c [2024-10-11 03:27:55,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b6428da7c/6a622be19f684cdaaa1ba0534a9f8774 [2024-10-11 03:27:55,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:27:55,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:27:55,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:27:55,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:27:55,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:27:55,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:55" (1/1) ... [2024-10-11 03:27:55,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ab18be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:55, skipping insertion in model container [2024-10-11 03:27:55,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:55" (1/1) ... [2024-10-11 03:27:55,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:27:55,808 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.M4-1.c[2313,2326] [2024-10-11 03:27:57,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:27:57,130 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:27:57,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [52] [2024-10-11 03:27:57,150 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.M4-1.c[2313,2326] [2024-10-11 03:27:58,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:27:58,119 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:27:58,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58 WrapperNode [2024-10-11 03:27:58,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:27:58,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:27:58,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:27:58,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:27:58,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:27:58,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:01,222 INFO L138 Inliner]: procedures = 62, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 42638 [2024-10-11 03:28:01,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:28:01,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:28:01,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:28:01,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:28:01,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:01,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:02,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:02,480 INFO L175 MemorySlicer]: Split 14886 memory accesses to 24 slices as follows [2, 193, 17, 9, 2689, 3665, 2408, 1672, 1188, 8, 852, 218, 322, 4, 218, 322, 218, 322, 218, 322, 2, 7, 2, 8]. 25 percent of accesses are in the largest equivalence class. The 136 initializations are split as follows [2, 96, 8, 4, 0, 0, 8, 8, 4, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0]. The 1106 writes are split as follows [0, 1, 1, 1, 97, 97, 8, 8, 4, 4, 4, 110, 108, 0, 110, 108, 110, 108, 110, 108, 1, 3, 1, 4]. [2024-10-11 03:28:02,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:02,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:03,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:03,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:03,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:03,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:04,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:28:04,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:28:04,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:28:04,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:28:04,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (1/1) ... [2024-10-11 03:28:04,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:28:04,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:28:04,329 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 03:28:04,330 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 03:28:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:28:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-10-11 03:28:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-10-11 03:28:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-10-11 03:28:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-10-11 03:28:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:28:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:28:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 03:28:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-10-11 03:28:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-10-11 03:28:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-10-11 03:28:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-10-11 03:28:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-10-11 03:28:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-10-11 03:28:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 03:28:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 03:28:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 03:28:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 03:28:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 03:28:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-11 03:28:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-11 03:28:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-10-11 03:28:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-10-11 03:28:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-10-11 03:28:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-10-11 03:28:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-10-11 03:28:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:28:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:28:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-10-11 03:28:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 03:28:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 03:28:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 03:28:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 03:28:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 03:28:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 03:28:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 03:28:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 03:28:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 03:28:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 03:28:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 03:28:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-11 03:28:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-11 03:28:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-11 03:28:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-11 03:28:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-10-11 03:28:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-10-11 03:28:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-10-11 03:28:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-10-11 03:28:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-10-11 03:28:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-10-11 03:28:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-10-11 03:28:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-10-11 03:28:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 03:28:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 03:28:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 03:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 03:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:28:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-10-11 03:28:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-10-11 03:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-10-11 03:28:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-10-11 03:28:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:28:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:28:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-10-11 03:28:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-10-11 03:28:06,256 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:28:06,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:28:37,805 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-10-11 03:28:37,806 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:28:38,649 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:28:38,650 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 03:28:38,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:28:38 BoogieIcfgContainer [2024-10-11 03:28:38,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:28:38,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:28:38,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:28:38,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:28:38,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:27:55" (1/3) ... [2024-10-11 03:28:38,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a96748d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:28:38, skipping insertion in model container [2024-10-11 03:28:38,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:58" (2/3) ... [2024-10-11 03:28:38,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a96748d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:28:38, skipping insertion in model container [2024-10-11 03:28:38,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:28:38" (3/3) ... [2024-10-11 03:28:38,662 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2024-10-11 03:28:38,857 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:28:38,858 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 03:28:39,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:28:39,208 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;@3582b4a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:28:39,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 03:28:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 12604 states, 8173 states have (on average 1.311146457849015) internal successors, (10716), 8286 states have internal predecessors, (10716), 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 03:28:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5896 [2024-10-11 03:28:39,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:28:39,757 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 03:28:39,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:28:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1827844502, now seen corresponding path program 1 times [2024-10-11 03:28:39,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:28:39,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802326215] [2024-10-11 03:28:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:28:39,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:29:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat