/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.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:19:39,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:19:39,582 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 23:19:39,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:19:39,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:19:39,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:19:39,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:19:39,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:19:39,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:19:39,634 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:19:39,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:19:39,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:19:39,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:19:39,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:19:39,637 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:19:39,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:19:39,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:19:39,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:19:39,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:19:39,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:19:39,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:19:39,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:19:39,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:19:39,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:19:39,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:19:39,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:19:39,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:19:39,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:19:39,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:19:39,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:19:39,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:19:39,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:19:39,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:19:39,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:19:39,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:19:39,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:19:39,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:19:39,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:19:39,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:19:39,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:19:39,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:19:39,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:19:39,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:19:39,908 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:19:39,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c [2023-12-15 23:19:41,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:19:41,622 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:19:41,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M4-2.c [2023-12-15 23:19:41,688 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f58f617/66963fabeca540fcbb067b1f061dc3c5/FLAGb6d267077 [2023-12-15 23:19:41,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f58f617/66963fabeca540fcbb067b1f061dc3c5 [2023-12-15 23:19:41,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:19:41,709 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:19:41,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:19:41,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:19:41,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:19:41,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:19:41" (1/1) ... [2023-12-15 23:19:41,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218a3660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:41, skipping insertion in model container [2023-12-15 23:19:41,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:19:41" (1/1) ... [2023-12-15 23:19:41,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:19:42,176 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] [2023-12-15 23:19:43,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:19:43,333 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:19:43,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2023-12-15 23:19:43,356 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] [2023-12-15 23:19:44,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:19:44,179 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:19:44,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44 WrapperNode [2023-12-15 23:19:44,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:19:44,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:19:44,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:19:44,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:19:44,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:44,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:46,584 INFO L138 Inliner]: procedures = 60, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 42527 [2023-12-15 23:19:46,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:19:46,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:19:46,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:19:46,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:19:46,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:46,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:47,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:47,568 INFO L175 MemorySlicer]: Split 14886 memory accesses to 24 slices as follows [2, 193, 17, 9, 2689, 3665, 2408, 1672, 1188, 852, 218, 322, 218, 2, 8, 322, 218, 322, 218, 322, 2, 4, 8, 7]. 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, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2]. The 1106 writes are split as follows [0, 1, 1, 1, 97, 97, 8, 8, 4, 4, 110, 108, 110, 1, 4, 108, 110, 108, 110, 108, 1, 0, 4, 3]. [2023-12-15 23:19:47,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:47,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:48,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:48,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:48,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:48,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:49,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:19:49,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:19:49,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:19:49,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:19:49,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (1/1) ... [2023-12-15 23:19:49,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:19:49,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:19:49,165 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 23:19:49,175 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 23:19:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:19:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-12-15 23:19:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-12-15 23:19:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-15 23:19:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:19:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-15 23:19:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-15 23:19:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-15 23:19:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 23:19:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-15 23:19:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-15 23:19:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-15 23:19:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-15 23:19:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-12-15 23:19:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-12-15 23:19:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:19:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:19:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:19:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:19:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-15 23:19:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-15 23:19:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-15 23:19:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-15 23:19:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-15 23:19:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-12-15 23:19:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-12-15 23:19:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-15 23:19:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-15 23:19:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-15 23:19:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-15 23:19:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-12-15 23:19:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-12-15 23:19:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-15 23:19:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-15 23:19:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 23:19:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-15 23:19:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-15 23:19:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:19:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-15 23:19:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-15 23:19:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-15 23:19:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-15 23:19:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:19:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:19:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-12-15 23:19:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-12-15 23:19:51,128 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:19:51,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:20:16,322 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:20:17,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:20:17,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 23:20:17,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:20:17 BoogieIcfgContainer [2023-12-15 23:20:17,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:20:17,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:20:17,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:20:17,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:20:17,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:19:41" (1/3) ... [2023-12-15 23:20:17,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43989b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:20:17, skipping insertion in model container [2023-12-15 23:20:17,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:19:44" (2/3) ... [2023-12-15 23:20:17,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43989b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:20:17, skipping insertion in model container [2023-12-15 23:20:17,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:20:17" (3/3) ... [2023-12-15 23:20:17,290 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2023-12-15 23:20:17,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:20:17,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 23:20:17,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:20:17,550 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;@6c22da04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:20:17,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 23:20:17,590 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) [2023-12-15 23:20:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5896 [2023-12-15 23:20:17,989 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:20:17,992 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] [2023-12-15 23:20:17,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:20:17,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:20:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2140130362, now seen corresponding path program 1 times [2023-12-15 23:20:18,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:20:18,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066226143] [2023-12-15 23:20:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:20:18,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-15 23:20:36,090 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 23:20:37,138 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