./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b --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 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:57,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:57,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:26:57,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:57,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:57,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:57,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:57,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:57,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:57,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:57,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:57,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:57,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:57,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:57,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:57,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:57,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:57,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:57,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:57,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:57,233 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_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b 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 -> 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 [2024-12-05 21:26:57,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:57,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:57,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:57,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:57,525 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:57,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2024-12-05 21:27:00,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/data/b4c602bd3/1c8ebe35d30b40c1bc6652b6a8afd87b/FLAGf0c4903e4 [2024-12-05 21:27:00,462 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:00,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2024-12-05 21:27:00,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/data/b4c602bd3/1c8ebe35d30b40c1bc6652b6a8afd87b/FLAGf0c4903e4 [2024-12-05 21:27:00,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/data/b4c602bd3/1c8ebe35d30b40c1bc6652b6a8afd87b [2024-12-05 21:27:00,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:00,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:00,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:00,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:00,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:00,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121872c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00, skipping insertion in model container [2024-12-05 21:27:00,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:00,672 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_f3a5a848-d543-414d-9f48-cd8802f79c6f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2024-12-05 21:27:00,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:00,947 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:00,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [38] [2024-12-05 21:27:00,958 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_f3a5a848-d543-414d-9f48-cd8802f79c6f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2024-12-05 21:27:01,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:01,124 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:01,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01 WrapperNode [2024-12-05 21:27:01,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:01,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:01,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:01,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:01,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,322 INFO L138 Inliner]: procedures = 55, calls = 2262, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4904 [2024-12-05 21:27:01,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:01,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:01,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:01,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:01,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:01,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:01,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:01,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:01,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:01,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:01,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:01,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a5a848-d543-414d-9f48-cd8802f79c6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-05 21:27:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-05 21:27:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-05 21:27:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-05 21:27:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-05 21:27:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:27:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-05 21:27:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:27:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-05 21:27:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-05 21:27:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-05 21:27:01,950 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:01,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:27,862 INFO L? ?]: Removed 346 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:27,862 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:28,027 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:28,027 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:28,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:28 BoogieIcfgContainer [2024-12-05 21:27:28,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:28,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:28,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:28,035 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:28,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:28" (1/1) ... [2024-12-05 21:27:28,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1441 states and 2255 transitions. [2024-12-05 21:27:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2255 transitions. [2024-12-05 21:27:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6244 [2024-12-05 21:27:28,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1006324 backedges. 0 proven. 939 refuted. 0 times theorem prover too weak. 1005385 trivial. 0 not checked. [2024-12-05 21:31:01,221 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 [] [2024-12-05 21:31:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1441 states and 2253 transitions. [2024-12-05 21:31:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2253 transitions. [2024-12-05 21:31:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6820 [2024-12-05 21:31:01,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:31:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:33:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:37:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1052116 backedges. 3 proven. 1040 refuted. 0 times theorem prover too weak. 1051073 trivial. 0 not checked. [2024-12-05 21:37:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:37:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1446 states and 2265 transitions. [2024-12-05 21:37:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2265 transitions. [2024-12-05 21:37:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6820 [2024-12-05 21:37:07,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:37:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:39:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat