./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/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 e0278abdbbb57b3938e33a237527cf3a8d14feaf8eba047d58da36569d27728f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:56,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:56,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:21:56,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:56,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:56,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:56,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:56,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:56,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:56,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:56,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:56,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:56,239 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:56,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:56,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:56,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:56,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:56,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:56,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:56,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:56,240 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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/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 -> e0278abdbbb57b3938e33a237527cf3a8d14feaf8eba047d58da36569d27728f [2024-11-13 23:21:56,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:56,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:56,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:56,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:56,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:56,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c Unable to find full path for "g++" [2024-11-13 23:21:58,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:58,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:58,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2024-11-13 23:21:58,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/data/0e08652ae/e37fc42d2add4129a895fddf55087f87/FLAG610141130 [2024-11-13 23:21:58,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/data/0e08652ae/e37fc42d2add4129a895fddf55087f87 [2024-11-13 23:21:58,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:58,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:58,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:58,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:58,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:58,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3003b543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58, skipping insertion in model container [2024-11-13 23:21:58,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:59,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:59,248 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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c[1765,1778] [2024-11-13 23:21:59,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:59,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:59,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [42] [2024-11-13 23:21:59,896 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_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c[1765,1778] [2024-11-13 23:22:00,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:00,238 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:00,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00 WrapperNode [2024-11-13 23:22:00,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:00,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:00,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:00,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:00,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,643 INFO L138 Inliner]: procedures = 60, calls = 2794, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 6075 [2024-11-13 23:22:00,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:00,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:00,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:00,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:00,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:00,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:00,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:00,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:00,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:00,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:00" (1/1) ... [2024-11-13 23:22:01,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:01,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:01,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:01,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7e7fb3-0f11-4727-9b9d-0174bce047d5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-13 23:22:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-13 23:22:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-13 23:22:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-13 23:22:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:22:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-13 23:22:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-13 23:22:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-13 23:22:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-13 23:22:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-13 23:22:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-13 23:22:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-13 23:22:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-13 23:22:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:22:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-13 23:22:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-13 23:22:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-13 23:22:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-13 23:22:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 23:22:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 23:22:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 23:22:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 23:22:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:22:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 23:22:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 23:22:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:22:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-13 23:22:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-13 23:22:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-13 23:22:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-13 23:22:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-13 23:22:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-13 23:22:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:22:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:22:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:22:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-13 23:22:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-13 23:22:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-13 23:22:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-13 23:22:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-13 23:22:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-13 23:22:01,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:01,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:28,792 INFO L? ?]: Removed 380 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:28,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:29,137 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:29,137 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:22:29,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:29 BoogieIcfgContainer [2024-11-13 23:22:29,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:29,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:29,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:29,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:29,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:29" (1/1) ... [2024-11-13 23:22:29,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 1769 states and 2747 transitions. [2024-11-13 23:22:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2747 transitions. [2024-11-13 23:22:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-11-13 23:22:29,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:05,430 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 23:24:15,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:24:25,707 WARN L539 Checker$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 23:24:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 1769 states and 2745 transitions. [2024-11-13 23:24:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2745 transitions. [2024-11-13 23:24:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-11-13 23:24:26,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,235 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 23:30:27,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:30:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1780 states and 2792 transitions. [2024-11-13 23:30:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2792 transitions. [2024-11-13 23:30:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2024-11-13 23:30:27,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:34,462 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 23:35:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 1785 states and 2799 transitions. [2024-11-13 23:35:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2799 transitions. [2024-11-13 23:35:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-11-13 23:35:34,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat