/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:09:27,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:09:27,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 06:09:27,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:09:27,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:09:27,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:09:27,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:09:27,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:09:27,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:09:27,723 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:09:27,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:09:27,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:09:27,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:09:27,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:09:27,724 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:09:27,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:09:27,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:09:27,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:09:27,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:09:27,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:09:27,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:09:27,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:09:27,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:09:27,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:09:27,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:09:27,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:09:27,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:09:27,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:09:27,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:09:27,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:09:27,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:09:27,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:09:27,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:09:27,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:09:27,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:09:27,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:09:27,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:09:27,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:09:27,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:09:27,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:09:27,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:09:27,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:09:27,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:09:27,935 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:09:27,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c [2023-12-16 06:09:28,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:09:29,334 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:09:29,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c [2023-12-16 06:09:29,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146bffb71/17cc3bbde90444dc8d7fca712fc20ea2/FLAG7527b36b5 [2023-12-16 06:09:29,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146bffb71/17cc3bbde90444dc8d7fca712fc20ea2 [2023-12-16 06:09:29,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:09:29,394 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:09:29,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:09:29,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:09:29,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:09:29,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:09:29" (1/1) ... [2023-12-16 06:09:29,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b886e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:29, skipping insertion in model container [2023-12-16 06:09:29,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:09:29" (1/1) ... [2023-12-16 06:09:29,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:09:29,699 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c[2232,2245] [2023-12-16 06:09:30,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:09:30,570 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:09:30,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2023-12-16 06:09:30,589 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c[2232,2245] [2023-12-16 06:09:31,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:09:31,312 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:09:31,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31 WrapperNode [2023-12-16 06:09:31,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:09:31,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:09:31,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:09:31,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:09:31,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:31,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:33,304 INFO L138 Inliner]: procedures = 60, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 42527 [2023-12-16 06:09:33,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:09:33,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:09:33,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:09:33,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:09:33,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:33,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:33,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:34,090 INFO L175 MemorySlicer]: Split 14886 memory accesses to 24 slices as follows [2, 193, 8, 17, 9, 2, 2689, 3665, 2408, 1672, 1188, 852, 218, 2, 322, 218, 322, 218, 322, 218, 322, 7, 8, 4]. 25 percent of accesses are in the largest equivalence class. The 136 initializations are split as follows [2, 96, 0, 8, 4, 0, 0, 0, 8, 8, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0]. The 1106 writes are split as follows [0, 1, 4, 1, 1, 1, 97, 97, 8, 8, 4, 4, 110, 1, 108, 110, 108, 110, 108, 110, 108, 3, 4, 0]. [2023-12-16 06:09:34,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:34,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:34,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:35,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:35,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:35,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:35,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:09:35,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:09:35,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:09:35,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:09:35,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (1/1) ... [2023-12-16 06:09:35,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:09:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:09:35,582 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) [2023-12-16 06:09:35,589 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 [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-12-16 06:09:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-16 06:09:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-16 06:09:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-16 06:09:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-16 06:09:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-16 06:09:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-16 06:09:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-16 06:09:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-16 06:09:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-16 06:09:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-16 06:09:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-12-16 06:09:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-16 06:09:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-16 06:09:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-16 06:09:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-16 06:09:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-12-16 06:09:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-16 06:09:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-16 06:09:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-12-16 06:09:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-16 06:09:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 06:09:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-16 06:09:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-12-16 06:09:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:09:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:09:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-16 06:09:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-16 06:09:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-16 06:09:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-16 06:09:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-16 06:09:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-16 06:09:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-12-16 06:09:35,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-12-16 06:09:37,247 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:09:37,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:09:59,204 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:09:59,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:09:59,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 06:09:59,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:09:59 BoogieIcfgContainer [2023-12-16 06:09:59,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:09:59,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:09:59,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:09:59,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:09:59,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:09:29" (1/3) ... [2023-12-16 06:09:59,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8bf1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:09:59, skipping insertion in model container [2023-12-16 06:09:59,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:31" (2/3) ... [2023-12-16 06:09:59,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8bf1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:09:59, skipping insertion in model container [2023-12-16 06:09:59,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:09:59" (3/3) ... [2023-12-16 06:09:59,967 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2023-12-16 06:09:59,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:09:59,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 06:10:00,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:10:00,144 INFO L357 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, mHoare=true, 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;@345e31d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:10:00,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 06:10:00,175 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) [2023-12-16 06:10:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5896 [2023-12-16 06:10:00,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:10:00,818 INFO L195 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:10:00,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:10:00,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:10:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2140130362, now seen corresponding path program 1 times [2023-12-16 06:10:00,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:10:00,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144108423] [2023-12-16 06:10:00,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:10:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-16 06:10:30,385 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 06:10:31,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown