./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.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_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/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_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/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_ae006618-6c1d-45ba-92bf-f7414f60b371/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 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:24,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:24,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:30:24,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:24,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:24,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:24,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:24,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:24,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:24,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:24,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:24,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:24,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:24,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:24,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:24,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:24,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:24,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:24,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:24,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:24,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:24,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:24,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:24,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:24,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:24,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:24,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:24,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:24,930 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_ae006618-6c1d-45ba-92bf-f7414f60b371/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 -> 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 [2024-11-13 21:30:25,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:25,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:25,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:25,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:25,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:25,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c Unable to find full path for "g++" [2024-11-13 21:30:27,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:27,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:27,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c [2024-11-13 21:30:27,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/data/69e8dd487/13b08603fe6a4625979dcf9adf86e98f/FLAGab0943e8a [2024-11-13 21:30:27,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/data/69e8dd487/13b08603fe6a4625979dcf9adf86e98f [2024-11-13 21:30:27,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:27,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:27,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:27,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:27,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:27,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:27" (1/1) ... [2024-11-13 21:30:27,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a58072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:27, skipping insertion in model container [2024-11-13 21:30:27,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:27" (1/1) ... [2024-11-13 21:30:27,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:28,180 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_ae006618-6c1d-45ba-92bf-f7414f60b371/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2024-11-13 21:30:28,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:28,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:28,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [42] [2024-11-13 21:30:28,696 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_ae006618-6c1d-45ba-92bf-f7414f60b371/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2024-11-13 21:30:29,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:29,080 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:29,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29 WrapperNode [2024-11-13 21:30:29,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:29,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:29,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:29,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:29,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,542 INFO L138 Inliner]: procedures = 60, calls = 2813, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 6106 [2024-11-13 21:30:29,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:29,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:29,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:29,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:29,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:29,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:29,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:29,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:29,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:29,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:30,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae006618-6c1d-45ba-92bf-f7414f60b371/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-13 21:30:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-13 21:30:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-13 21:30:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-13 21:30:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:30:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-13 21:30:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-13 21:30:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-13 21:30:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-13 21:30:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-13 21:30:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-13 21:30:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-13 21:30:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-13 21:30:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:30:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-13 21:30:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-13 21:30:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-13 21:30:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-13 21:30:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 21:30:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 21:30:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 21:30:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 21:30:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:30:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-13 21:30:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-13 21:30:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 21:30:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-13 21:30:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-13 21:30:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-13 21:30:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:30:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:30:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-13 21:30:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-13 21:30:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-13 21:30:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-13 21:30:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-13 21:30:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-13 21:30:30,727 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:30,729 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:00,984 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:00,984 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:01,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:01,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:31:01,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:01 BoogieIcfgContainer [2024-11-13 21:31:01,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:01,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:01,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:01,450 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:01,451 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 1775 states and 2754 transitions. [2024-11-13 21:31:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2754 transitions. [2024-11-13 21:31:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2024-11-13 21:31:01,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-11-13 21:32:56,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:32:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 1775 states and 2752 transitions. [2024-11-13 21:32:56,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2752 transitions. [2024-11-13 21:32:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2024-11-13 21:32:56,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:56,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-11-13 21:37:59,547 WARN L539 Checker$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 21:38:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 1786 states and 2799 transitions. [2024-11-13 21:38:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2799 transitions. [2024-11-13 21:38:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2024-11-13 21:38:00,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:00,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:39:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-11-13 21:41:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 1791 states and 2806 transitions. [2024-11-13 21:41:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2806 transitions. [2024-11-13 21:41:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-11-13 21:41:33,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:33,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat