./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.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_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/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_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/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_755e8600-5446-4bb0-a338-05644ac09ba0/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 a1eb342ebadad5f5d28e5fd9eb503795cab40e31c0a35c7b5f4b6a3c65ed5e13 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:48:27,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:48:27,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:48:27,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:48:27,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:48:27,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:48:27,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:48:27,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:48:27,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:48:27,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:48:27,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:48:27,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:48:27,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:48:27,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:48:27,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:48:27,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:48:27,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:48:27,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:48:27,817 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:48:27,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:48:27,817 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_755e8600-5446-4bb0-a338-05644ac09ba0/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 -> a1eb342ebadad5f5d28e5fd9eb503795cab40e31c0a35c7b5f4b6a3c65ed5e13 [2024-12-06 02:48:28,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:48:28,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:48:28,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:48:28,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:48:28,037 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:48:28,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2024-12-06 02:48:30,845 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/data/69d92c846/155c8494262f4284b5a2b68f7f9b37c8/FLAG7eb3710c8 [2024-12-06 02:48:31,228 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:48:31,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2024-12-06 02:48:31,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/data/69d92c846/155c8494262f4284b5a2b68f7f9b37c8/FLAG7eb3710c8 [2024-12-06 02:48:31,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/data/69d92c846/155c8494262f4284b5a2b68f7f9b37c8 [2024-12-06 02:48:31,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:48:31,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:48:31,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:48:31,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:48:31,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:48:31,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:48:31" (1/1) ... [2024-12-06 02:48:31,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e555aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:31, skipping insertion in model container [2024-12-06 02:48:31,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:48:31" (1/1) ... [2024-12-06 02:48:31,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:48:31,687 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_755e8600-5446-4bb0-a338-05644ac09ba0/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c[1682,1695] [2024-12-06 02:48:32,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:48:32,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:48:32,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [42] [2024-12-06 02:48:32,035 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_755e8600-5446-4bb0-a338-05644ac09ba0/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c[1682,1695] [2024-12-06 02:48:32,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:48:32,221 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:48:32,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32 WrapperNode [2024-12-06 02:48:32,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:48:32,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:48:32,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:48:32,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:48:32,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,410 INFO L138 Inliner]: procedures = 56, calls = 2275, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4947 [2024-12-06 02:48:32,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:48:32,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:48:32,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:48:32,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:48:32,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:48:32,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:48:32,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:48:32,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:48:32,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:48:32" (1/1) ... [2024-12-06 02:48:32,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:48:32,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:48:32,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:48:32,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755e8600-5446-4bb0-a338-05644ac09ba0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:48:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:48:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 02:48:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 02:48:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-06 02:48:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-06 02:48:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 02:48:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 02:48:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 02:48:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-12-06 02:48:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-06 02:48:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:48:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:48:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:48:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:48:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-06 02:48:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-06 02:48:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 02:48:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 02:48:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-06 02:48:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-06 02:48:33,009 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:48:33,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:48:58,109 INFO L? ?]: Removed 352 outVars from TransFormulas that were not future-live. [2024-12-06 02:48:58,110 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:48:58,410 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:48:58,410 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:48:58,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:48:58 BoogieIcfgContainer [2024-12-06 02:48:58,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:48:58,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:48:58,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:48:58,421 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:48:58,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:48:58" (1/1) ... [2024-12-06 02:48:58,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:48:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1488 states and 2327 transitions. [2024-12-06 02:48:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2327 transitions. [2024-12-06 02:48:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-12-06 02:48:58,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:49:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:14,540 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 02:50:24,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:50:34,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:50:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1488 states and 2325 transitions. [2024-12-06 02:50:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2325 transitions. [2024-12-06 02:50:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-06 02:50:35,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:27,281 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 02:54:37,360 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 02:54:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1499 states and 2372 transitions. [2024-12-06 02:54:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2372 transitions. [2024-12-06 02:54:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2024-12-06 02:54:37,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:37,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:25,565 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 02:58:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1504 states and 2379 transitions. [2024-12-06 02:58:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2379 transitions. [2024-12-06 02:58:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-12-06 02:58:25,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:59:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:13,698 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 03:00:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:00:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1504 states and 2378 transitions. [2024-12-06 03:00:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2378 transitions. [2024-12-06 03:00:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-12-06 03:00:13,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:00:13,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms