./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk --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 fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:58:19,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:58:19,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:58:19,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:58:19,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:58:19,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:58:19,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:58:19,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:58:19,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:58:19,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:58:19,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:58:19,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:58:19,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:58:19,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:58:19,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:58:19,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:58:19,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:58:19,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:58:19,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:58:19,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:58:19,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:58:19,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:58:19,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:58:19,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:58:19,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:58:19,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:58:19,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:58:19,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:58:19,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:58:19,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:58:19,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:58:19,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:58:19,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:58:19,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 [2024-11-09 00:58:19,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:58:19,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:58:19,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:58:19,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:58:19,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:58:19,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c Unable to find full path for "g++" [2024-11-09 00:58:21,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:58:22,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:58:22,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2024-11-09 00:58:22,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/data/89b6e8c5a/7decff134ad44639a791006441a2e81a/FLAG7016c6d04 [2024-11-09 00:58:22,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/data/89b6e8c5a/7decff134ad44639a791006441a2e81a [2024-11-09 00:58:22,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:58:22,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:58:22,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:58:22,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:58:22,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:58:22,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:58:22" (1/1) ... [2024-11-09 00:58:22,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441efcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:22, skipping insertion in model container [2024-11-09 00:58:22,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:58:22" (1/1) ... [2024-11-09 00:58:22,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:58:22,604 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_69798ef2-c579-4f91-8e86-c18349e093de/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2024-11-09 00:58:23,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:58:23,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:58:23,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [53] [2024-11-09 00:58:23,163 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_69798ef2-c579-4f91-8e86-c18349e093de/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2024-11-09 00:58:23,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:58:23,547 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:58:23,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23 WrapperNode [2024-11-09 00:58:23,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:58:23,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:58:23,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:58:23,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:58:23,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:23,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:23,864 INFO L138 Inliner]: procedures = 64, calls = 2411, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4957 [2024-11-09 00:58:23,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:58:23,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:58:23,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:58:23,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:58:23,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:23,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:23,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:23,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:58:24,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:58:24,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:58:24,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:58:24,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:23" (1/1) ... [2024-11-09 00:58:24,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:58:24,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:58:24,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:58:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69798ef2-c579-4f91-8e86-c18349e093de/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:58:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:58:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-09 00:58:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-09 00:58:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-09 00:58:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-09 00:58:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-09 00:58:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-09 00:58:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 00:58:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:58:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-09 00:58:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-09 00:58:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-09 00:58:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-09 00:58:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-09 00:58:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-09 00:58:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:58:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-09 00:58:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-09 00:58:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-09 00:58:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-09 00:58:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-09 00:58:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-09 00:58:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-09 00:58:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-09 00:58:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-09 00:58:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-09 00:58:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-09 00:58:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-09 00:58:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:58:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:58:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-09 00:58:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-09 00:58:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-09 00:58:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-09 00:58:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-09 00:58:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-09 00:58:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-09 00:58:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-09 00:58:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:58:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:58:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:58:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:58:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:58:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-09 00:58:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-09 00:58:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-09 00:58:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-09 00:58:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-09 00:58:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-09 00:58:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-09 00:58:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-09 00:58:24,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:58:24,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:58:50,879 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-11-09 00:58:50,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:58:51,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:58:51,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:58:51,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:51 BoogieIcfgContainer [2024-11-09 00:58:51,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:58:51,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:58:51,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:58:51,385 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:58:51,385 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:51" (1/1) ... [2024-11-09 00:58:51,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:58:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1365 states and 2074 transitions. [2024-11-09 00:58:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2074 transitions. [2024-11-09 00:58:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2024-11-09 00:58:51,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:05:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18632 trivial. 0 not checked. [2024-11-09 01:08:34,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:35,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:36,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:51,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:01,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:12,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:22,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:32,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:09:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 1827 states and 2999 transitions. [2024-11-09 01:09:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2999 transitions. [2024-11-09 01:09:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2024-11-09 01:09:39,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:09:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms