./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.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_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/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_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/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_74199eaf-0678-427c-b0c8-ce9e8161be11/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 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:50:55,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:55,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:50:55,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:50:55,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:50:55,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:55,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:55,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:55,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:55,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:55,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:55,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:55,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:55,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:55,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:55,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:55,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:55,382 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:50:55,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:50:55,382 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_74199eaf-0678-427c-b0c8-ce9e8161be11/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 -> 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 [2024-12-06 05:50:55,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:55,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:55,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:55,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:55,650 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:55,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2024-12-06 05:50:58,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/data/be4ea6fc6/fae4dfaa577e44cf8fd338a93f1ead34/FLAGf81bf4de3 [2024-12-06 05:50:58,569 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:58,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2024-12-06 05:50:58,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/data/be4ea6fc6/fae4dfaa577e44cf8fd338a93f1ead34/FLAGf81bf4de3 [2024-12-06 05:50:58,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/data/be4ea6fc6/fae4dfaa577e44cf8fd338a93f1ead34 [2024-12-06 05:50:58,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:58,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:58,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:58,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:58,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:58,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:58" (1/1) ... [2024-12-06 05:50:58,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d14fa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:58, skipping insertion in model container [2024-12-06 05:50:58,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:58" (1/1) ... [2024-12-06 05:50:58,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:59,043 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_74199eaf-0678-427c-b0c8-ce9e8161be11/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2024-12-06 05:50:59,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:59,374 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:59,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [43] [2024-12-06 05:50:59,388 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_74199eaf-0678-427c-b0c8-ce9e8161be11/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2024-12-06 05:50:59,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:59,601 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:59,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59 WrapperNode [2024-12-06 05:50:59,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:59,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:59,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:59,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:59,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,825 INFO L138 Inliner]: procedures = 60, calls = 3478, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 7563 [2024-12-06 05:50:59,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:59,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:59,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:59,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:59,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:51:00,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:51:00,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:51:00,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:51:00,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:51:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:00,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:51:00,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:51:00,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74199eaf-0678-427c-b0c8-ce9e8161be11/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-12-06 05:51:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 05:51:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-06 05:51:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:51:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-06 05:51:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-12-06 05:51:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 05:51:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 05:51:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-12-06 05:51:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-12-06 05:51:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:51:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:51:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:51:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-06 05:51:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-06 05:51:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 05:51:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 05:51:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-06 05:51:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-06 05:51:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-12-06 05:51:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-12-06 05:51:00,633 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:51:00,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:51:29,623 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2024-12-06 05:51:29,623 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:29,944 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:29,944 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:51:29,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:29 BoogieIcfgContainer [2024-12-06 05:51:29,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:29,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:29,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:29,953 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:29,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:29" (1/1) ... [2024-12-06 05:51:29,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2172 states and 3353 transitions. [2024-12-06 05:51:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3353 transitions. [2024-12-06 05:51:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-12-06 05:51:30,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:18,045 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 05:53:28,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:53:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 2172 states and 3351 transitions. [2024-12-06 05:53:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3351 transitions. [2024-12-06 05:53:28,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2024-12-06 05:53:28,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:28,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-06 05:57:58,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:57:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 2183 states and 3398 transitions. [2024-12-06 05:57:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 3398 transitions. [2024-12-06 05:57:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2024-12-06 05:57:58,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:31,220 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 06:01:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 2188 states and 3405 transitions. [2024-12-06 06:01:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3405 transitions. [2024-12-06 06:01:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-12-06 06:01:31,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:50,097 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 06:03:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 2188 states and 3404 transitions. [2024-12-06 06:03:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3404 transitions. [2024-12-06 06:03:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-12-06 06:03:50,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:05:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat