/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.4.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:20:23,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:20:23,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:20:23,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:20:23,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:20:23,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:20:23,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:20:23,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:20:23,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:20:23,760 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:20:23,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:20:23,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:20:23,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:20:23,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:20:23,762 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:20:23,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:20:23,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:20:23,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:20:23,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:20:23,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:20:23,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:20:23,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:20:23,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:20:23,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:20:23,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:20:23,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:20:23,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:20:23,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:20:23,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:20:23,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:20:23,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:20:23,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:20:23,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:20:23,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:20:23,975 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:20:23,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.4.M4.c [2023-12-15 23:20:25,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:20:25,451 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:20:25,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.4.M4.c [2023-12-15 23:20:25,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da79b04ea/9d32008c60d443648c2cef291c374e73/FLAG4c70a8602 [2023-12-15 23:20:25,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da79b04ea/9d32008c60d443648c2cef291c374e73 [2023-12-15 23:20:25,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:20:25,504 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:20:25,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:20:25,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:20:25,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:20:25,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:20:25" (1/1) ... [2023-12-15 23:20:25,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a9dd65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:25, skipping insertion in model container [2023-12-15 23:20:25,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:20:25" (1/1) ... [2023-12-15 23:20:25,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:20:25,789 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.4.M4.c[2319,2332] [2023-12-15 23:20:26,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:20:26,585 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:20:26,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug4.i","-S") [48] [2023-12-15 23:20:26,602 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.4.M4.c[2319,2332] [2023-12-15 23:20:27,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:20:27,461 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:20:27,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27 WrapperNode [2023-12-15 23:20:27,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:20:27,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:20:27,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:20:27,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:20:27,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:27,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:29,326 INFO L138 Inliner]: procedures = 72, calls = 21413, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 46904 [2023-12-15 23:20:29,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:20:29,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:20:29,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:20:29,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:20:29,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:29,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:29,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:29,944 INFO L175 MemorySlicer]: Split 16678 memory accesses to 32 slices as follows [2, 2, 2, 8, 193, 17, 9, 2689, 3489, 2352, 7, 1664, 1060, 852, 218, 322, 218, 322, 218, 322, 218, 8, 322, 218, 322, 218, 322, 218, 322, 4, 218, 322]. 21 percent of accesses are in the largest equivalence class. The 136 initializations are split as follows [0, 0, 2, 0, 96, 8, 4, 0, 0, 8, 2, 8, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 1978 writes are split as follows [1, 1, 0, 4, 1, 1, 1, 97, 97, 8, 3, 8, 4, 4, 110, 108, 110, 108, 110, 108, 110, 4, 108, 110, 108, 110, 108, 110, 108, 0, 110, 108]. [2023-12-15 23:20:29,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:29,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:20:30,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:20:30,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:20:30,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:20:30,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (1/1) ... [2023-12-15 23:20:30,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:20:30,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:20:31,012 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) [2023-12-15 23:20:31,013 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 [2023-12-15 23:20:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:20:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-12-15 23:20:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-12-15 23:20:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-15 23:20:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-15 23:20:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:20:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:20:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-15 23:20:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-15 23:20:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-12-15 23:20:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-15 23:20:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-15 23:20:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-15 23:20:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-15 23:20:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-15 23:20:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-12-15 23:20:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-12-15 23:20:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-12-15 23:20:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:20:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:20:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-15 23:20:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-15 23:20:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-12-15 23:20:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-15 23:20:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-15 23:20:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-12-15 23:20:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-12-15 23:20:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-15 23:20:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 23:20:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-15 23:20:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-12-15 23:20:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:20:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-15 23:20:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-15 23:20:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:20:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:20:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-12-15 23:20:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-12-15 23:20:32,709 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:20:32,710 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:20:57,205 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:20:58,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:20:58,040 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 23:20:58,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:20:58 BoogieIcfgContainer [2023-12-15 23:20:58,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:20:58,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:20:58,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:20:58,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:20:58,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:20:25" (1/3) ... [2023-12-15 23:20:58,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173c91a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:20:58, skipping insertion in model container [2023-12-15 23:20:58,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:27" (2/3) ... [2023-12-15 23:20:58,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173c91a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:20:58, skipping insertion in model container [2023-12-15 23:20:58,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:20:58" (3/3) ... [2023-12-15 23:20:58,055 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M4.c [2023-12-15 23:20:58,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:20:58,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 23:20:58,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:20:58,279 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;@61bc1f1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:20:58,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 23:20:58,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 13186 states, 8481 states have (on average 1.3027944817828085) internal successors, (11049), 8594 states have internal predecessors, (11049), 4680 states have call successors, (4680), 23 states have call predecessors, (4680), 23 states have return successors, (4680), 4677 states have call predecessors, (4680), 4680 states have call successors, (4680) [2023-12-15 23:20:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8464 [2023-12-15 23:20:59,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:20:59,251 INFO L195 NwaCegarLoop]: trace histogram [979, 979, 979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-12-15 23:20:59,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:20:59,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:20:59,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1347949755, now seen corresponding path program 1 times [2023-12-15 23:20:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:20:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85093044] [2023-12-15 23:20:59,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:20:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-15 23:21:30,621 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 [2023-12-15 23:21:31,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown