./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/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_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/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_0957e963-f1cc-40b9-a084-f269996a688d/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_0957e963-f1cc-40b9-a084-f269996a688d/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 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:56:49,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:56:49,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:56:49,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:56:49,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:56:49,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:56:49,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:56:49,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:56:49,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:56:49,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:56:49,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:56:49,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:56:49,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:49,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:56:49,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:56:49,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:56:49,929 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:56:49,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:56:49,929 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_0957e963-f1cc-40b9-a084-f269996a688d/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 -> 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 [2024-12-06 05:56:50,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:56:50,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:56:50,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:56:50,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:56:50,186 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:56:50,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c [2024-12-06 05:56:52,824 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/data/9bd11aa54/560b174e6e564d2c9b665214eca5f430/FLAG603a55039 [2024-12-06 05:56:53,127 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:56:53,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c [2024-12-06 05:56:53,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/data/9bd11aa54/560b174e6e564d2c9b665214eca5f430/FLAG603a55039 [2024-12-06 05:56:53,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/data/9bd11aa54/560b174e6e564d2c9b665214eca5f430 [2024-12-06 05:56:53,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:56:53,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:56:53,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:53,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:56:53,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:56:53,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:53,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763e05d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53, skipping insertion in model container [2024-12-06 05:56:53,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:53,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:56:53,363 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_0957e963-f1cc-40b9-a084-f269996a688d/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2024-12-06 05:56:53,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:53,658 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:56:53,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [42] [2024-12-06 05:56:53,671 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_0957e963-f1cc-40b9-a084-f269996a688d/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2024-12-06 05:56:53,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:53,870 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:56:53,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53 WrapperNode [2024-12-06 05:56:53,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:53,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:53,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:56:53,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:56:53,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:53,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,103 INFO L138 Inliner]: procedures = 60, calls = 2813, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 6104 [2024-12-06 05:56:54,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:54,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:56:54,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:56:54,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:56:54,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:56:54,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:56:54,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:56:54,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:56:54,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:53" (1/1) ... [2024-12-06 05:56:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:54,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:56:54,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:56:54,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0957e963-f1cc-40b9-a084-f269996a688d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 05:56:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 05:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-06 05:56:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-06 05:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 05:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 05:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:56:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-06 05:56:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-06 05:56:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 05:56:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 05:56:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-06 05:56:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-06 05:56:54,770 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:56:54,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:57:21,447 INFO L? ?]: Removed 377 outVars from TransFormulas that were not future-live. [2024-12-06 05:57:21,447 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:57:21,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:57:21,732 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:57:21,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:21 BoogieIcfgContainer [2024-12-06 05:57:21,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:57:21,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:57:21,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:57:21,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:57:21,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:21" (1/1) ... [2024-12-06 05:57:21,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:57:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 1775 states and 2754 transitions. [2024-12-06 05:57:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2754 transitions. [2024-12-06 05:57:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2024-12-06 05:57:21,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-12-06 05:58:51,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:58:51,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 1775 states and 2752 transitions. [2024-12-06 05:58:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2752 transitions. [2024-12-06 05:58:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2024-12-06 05:58:51,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:51,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-06 06:02:08,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 06:02:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 1786 states and 2799 transitions. [2024-12-06 06:02:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2799 transitions. [2024-12-06 06:02:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2024-12-06 06:02:09,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:09,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:03:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-12-06 06:05:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 1791 states and 2806 transitions. [2024-12-06 06:05:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2806 transitions. [2024-12-06 06:05:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-12-06 06:05:51,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-06 06:07:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 1791 states and 2805 transitions. [2024-12-06 06:07:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2805 transitions. [2024-12-06 06:07:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-12-06 06:07:40,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:40,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-06 06:11:17,485 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 [] [2024-12-06 06:11:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 1803 states and 2880 transitions. [2024-12-06 06:11:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2880 transitions. [2024-12-06 06:11:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2024-12-06 06:11:18,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms