./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.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_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/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_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/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_522bb6a5-8956-498b-9a7e-2f622a78eaff/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 bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:13:27,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:13:27,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:13:27,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:13:27,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:13:27,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:13:27,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:13:27,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:13:27,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:13:27,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:13:27,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:13:27,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:13:27,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:13:27,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:13:27,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:27,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:13:27,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:13:27,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:13:27,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:13:27,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:13:27,545 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_522bb6a5-8956-498b-9a7e-2f622a78eaff/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 -> bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a [2024-12-06 00:13:27,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:13:27,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:13:27,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:13:27,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:13:27,764 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:13:27,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2024-12-06 00:13:30,383 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/data/013652fd4/40265eb0b2724f6383b8dcbe4d9ea6d8/FLAG37f0a1893 [2024-12-06 00:13:30,663 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:13:30,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2024-12-06 00:13:30,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/data/013652fd4/40265eb0b2724f6383b8dcbe4d9ea6d8/FLAG37f0a1893 [2024-12-06 00:13:30,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/data/013652fd4/40265eb0b2724f6383b8dcbe4d9ea6d8 [2024-12-06 00:13:30,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:13:30,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:13:30,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:30,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:13:30,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:13:30,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413c6d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30, skipping insertion in model container [2024-12-06 00:13:30,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:13:31,114 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_522bb6a5-8956-498b-9a7e-2f622a78eaff/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-12-06 00:13:31,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:31,395 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:13:31,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [38] [2024-12-06 00:13:31,406 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_522bb6a5-8956-498b-9a7e-2f622a78eaff/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-12-06 00:13:31,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:31,589 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:13:31,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31 WrapperNode [2024-12-06 00:13:31,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:31,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:31,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:13:31,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:13:31,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,776 INFO L138 Inliner]: procedures = 55, calls = 2249, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4882 [2024-12-06 00:13:31,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:31,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:13:31,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:13:31,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:13:31,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:31,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:13:31,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:13:31,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:13:31,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:13:31,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:31" (1/1) ... [2024-12-06 00:13:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:32,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:13:32,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:13:32,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522bb6a5-8956-498b-9a7e-2f622a78eaff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:13:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 00:13:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-06 00:13:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 00:13:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 00:13:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-06 00:13:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-06 00:13:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-06 00:13:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-06 00:13:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:13:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:13:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:13:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:13:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:13:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-06 00:13:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-06 00:13:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 00:13:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 00:13:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-06 00:13:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-06 00:13:32,383 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:13:32,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:13:57,314 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-12-06 00:13:57,314 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:13:57,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:13:57,566 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:13:57,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:13:57 BoogieIcfgContainer [2024-12-06 00:13:57,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:13:57,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:13:57,567 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:13:57,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:13:57,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:13:57" (1/1) ... [2024-12-06 00:13:57,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:13:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1435 states and 2248 transitions. [2024-12-06 00:13:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2248 transitions. [2024-12-06 00:13:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2024-12-06 00:13:57,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 62443 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 62374 trivial. 0 not checked. [2024-12-06 00:15:21,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:15:31,485 WARN L539 Checker$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 00:15:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1435 states and 2246 transitions. [2024-12-06 00:15:31,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2246 transitions. [2024-12-06 00:15:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2024-12-06 00:15:31,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:31,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 65251 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 64966 trivial. 0 not checked. [2024-12-06 00:19:24,015 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 00:19:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1446 states and 2293 transitions. [2024-12-06 00:19:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2293 transitions. [2024-12-06 00:19:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2024-12-06 00:19:24,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:24,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 64973 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 64780 trivial. 0 not checked. [2024-12-06 00:22:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1451 states and 2300 transitions. [2024-12-06 00:22:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2300 transitions. [2024-12-06 00:22:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2024-12-06 00:22:22,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:22,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:23:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 66355 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 66346 trivial. 0 not checked. [2024-12-06 00:24:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1458 states and 2314 transitions. [2024-12-06 00:24:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2314 transitions. [2024-12-06 00:24:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1793 [2024-12-06 00:24:51,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:51,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:25:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 66353 backedges. 83 proven. 55 refuted. 0 times theorem prover too weak. 66215 trivial. 0 not checked. [2024-12-06 00:26:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1460 states and 2318 transitions. [2024-12-06 00:26:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2318 transitions. [2024-12-06 00:26:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1789 [2024-12-06 00:26:27,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:27,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:27:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat