./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:43,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:43,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:12:43,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:12:43,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:12:43,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:43,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:12:43,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:12:43,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:43,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:43,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:12:43,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:43,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:43,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:43,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:43,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:43,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:43,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:12:43,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:12:43,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:12:43,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e [2024-11-13 22:12:44,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:44,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:44,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:44,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:44,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:44,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c Unable to find full path for "g++" [2024-11-13 22:12:45,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:46,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:46,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2024-11-13 22:12:46,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/data/de8238c94/607b80b6544a4154b1ed6dcfbeed31f7/FLAG168740799 [2024-11-13 22:12:46,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/data/de8238c94/607b80b6544a4154b1ed6dcfbeed31f7 [2024-11-13 22:12:46,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:46,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:46,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:46,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:46,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:46,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:46,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642abd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:46, skipping insertion in model container [2024-11-13 22:12:46,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:46" (1/1) ... [2024-11-13 22:12:46,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:46,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2024-11-13 22:12:47,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:47,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:47,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [47] [2024-11-13 22:12:47,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2024-11-13 22:12:47,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:47,676 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:47,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47 WrapperNode [2024-11-13 22:12:47,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:47,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:47,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:47,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:47,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:47,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,040 INFO L138 Inliner]: procedures = 63, calls = 2139, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4509 [2024-11-13 22:12:48,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:48,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:48,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:48,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:48,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:48,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:48,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:48,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:48,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:47" (1/1) ... [2024-11-13 22:12:48,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:48,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:48,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:48,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd38fcb7-d2ae-4f1f-bf36-4bef4cdccd21/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:12:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-13 22:12:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-13 22:12:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-13 22:12:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-13 22:12:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-13 22:12:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-13 22:12:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-13 22:12:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-13 22:12:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-13 22:12:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:12:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-13 22:12:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-13 22:12:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-13 22:12:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-13 22:12:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 22:12:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 22:12:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 22:12:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 22:12:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:12:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 22:12:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-13 22:12:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-13 22:12:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-13 22:12:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:12:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:12:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:12:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-13 22:12:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-13 22:12:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-13 22:12:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-13 22:12:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-13 22:12:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-13 22:12:49,158 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:49,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:10,843 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:10,843 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:11,244 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:11,245 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:11,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:11 BoogieIcfgContainer [2024-11-13 22:13:11,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:11,246 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:11,246 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:11,263 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:11,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:11" (1/1) ... [2024-11-13 22:13:11,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1236 states and 1882 transitions. [2024-11-13 22:13:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1882 transitions. [2024-11-13 22:13:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2024-11-13 22:13:11,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:11,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12210 trivial. 0 not checked. [2024-11-13 22:18:55,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:06,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:16,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:26,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:36,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:48,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:58,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:08,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:19,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:29,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 1646 states and 2702 transitions. [2024-11-13 22:20:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2702 transitions. [2024-11-13 22:20:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-11-13 22:20:32,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12210 trivial. 0 not checked. [2024-11-13 22:24:46,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:56,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 1698 states and 2805 transitions. [2024-11-13 22:24:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2805 transitions. [2024-11-13 22:24:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-11-13 22:24:57,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat