./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_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_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3 --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 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:47:50,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:47:50,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:47:50,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:47:50,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:47:50,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:47:50,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:47:50,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:47:50,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:47:50,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:47:50,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:47:50,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:47:50,347 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:47:50,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:47:50,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:47:50,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:47:50,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:47:50,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:47:50,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:47:50,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:47:50,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:47:50,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:47:50,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:47:50,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:47:50,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:47:50,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:47:50,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:47:50,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:47:50,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:47:50,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:47:50,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:47:50,351 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:47:50,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:47:50,351 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_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b [2024-11-25 02:47:50,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:47:50,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:47:50,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:47:50,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:47:50,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:47:50,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2024-11-25 02:47:53,898 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/data/391853085/41c2af983f4143998e4dfeee83f1ffa9/FLAGf80d8a97e [2024-11-25 02:47:54,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:47:54,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2024-11-25 02:47:54,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/data/391853085/41c2af983f4143998e4dfeee83f1ffa9/FLAGf80d8a97e [2024-11-25 02:47:54,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/data/391853085/41c2af983f4143998e4dfeee83f1ffa9 [2024-11-25 02:47:54,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:47:54,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:47:54,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:47:54,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:47:54,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:47:54,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:47:54" (1/1) ... [2024-11-25 02:47:54,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe6b80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:54, skipping insertion in model container [2024-11-25 02:47:54,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:47:54" (1/1) ... [2024-11-25 02:47:54,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:47:54,693 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_63ba4f59-b50b-4913-ab0e-265d3c9839c2/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2024-11-25 02:47:55,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:47:55,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:47:55,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [47] [2024-11-25 02:47:55,148 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_63ba4f59-b50b-4913-ab0e-265d3c9839c2/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2024-11-25 02:47:55,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:47:55,602 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:47:55,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55 WrapperNode [2024-11-25 02:47:55,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:47:55,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:47:55,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:47:55,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:47:55,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:55,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:55,947 INFO L138 Inliner]: procedures = 59, calls = 1914, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4119 [2024-11-25 02:47:55,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:47:55,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:47:55,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:47:55,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:47:55,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:55,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:47:56,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:47:56,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:47:56,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:47:56,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:47:55" (1/1) ... [2024-11-25 02:47:56,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:47:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:47:56,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:47:56,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ba4f59-b50b-4913-ab0e-265d3c9839c2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:47:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:47:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-25 02:47:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-25 02:47:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-25 02:47:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-25 02:47:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-25 02:47:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:47:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-25 02:47:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-25 02:47:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-25 02:47:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-25 02:47:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-25 02:47:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-25 02:47:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:47:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-25 02:47:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-25 02:47:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-25 02:47:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-25 02:47:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-25 02:47:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-25 02:47:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-25 02:47:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-25 02:47:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-25 02:47:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-25 02:47:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:47:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:47:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:47:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:47:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:47:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-25 02:47:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-25 02:47:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-25 02:47:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-25 02:47:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-25 02:47:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-25 02:47:57,110 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:47:57,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:22,342 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:22,342 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:22,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:22,750 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:48:22,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:22 BoogieIcfgContainer [2024-11-25 02:48:22,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:22,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:22,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:22,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:22,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:22" (1/1) ... [2024-11-25 02:48:22,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1151 states and 1756 transitions. [2024-11-25 02:48:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1756 transitions. [2024-11-25 02:48:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2024-11-25 02:48:22,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:22,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:49:06,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:49:16,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:49:26,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:49:36,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:49:47,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:49:59,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:50:09,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:50:20,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:50:30,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:50:40,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:50:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 1509 states and 2498 transitions. [2024-11-25 02:50:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2498 transitions. [2024-11-25 02:50:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:50:42,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:42,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:51:29,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:51:40,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:51:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 1614 states and 2684 transitions. [2024-11-25 02:51:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2684 transitions. [2024-11-25 02:51:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:51:42,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:42,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:52:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:52:51,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:02,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:12,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:22,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:34,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:44,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:53:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:53:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 1786 states and 2986 transitions. [2024-11-25 02:53:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2986 transitions. [2024-11-25 02:53:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:53:46,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:53:46,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:54:53,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:03,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:13,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:23,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:38,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:48,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:55:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 1881 states and 3171 transitions. [2024-11-25 02:55:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3171 transitions. [2024-11-25 02:55:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:55:48,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:48,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:56:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:56:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 1914 states and 3253 transitions. [2024-11-25 02:56:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3253 transitions. [2024-11-25 02:56:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:56:46,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:46,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:57:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:57:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 1937 states and 3309 transitions. [2024-11-25 02:57:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 3309 transitions. [2024-11-25 02:57:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:57:30,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:30,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:58:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:58:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 02:58:38,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:58:49,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:58:57,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:59:07,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:59:17,328 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 [] [2024-11-25 02:59:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:59:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 2070 states and 3591 transitions. [2024-11-25 02:59:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 3591 transitions. [2024-11-25 02:59:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 02:59:23,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:59:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:59:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 03:00:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 2103 states and 3673 transitions. [2024-11-25 03:00:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3673 transitions. [2024-11-25 03:00:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 03:00:09,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:09,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-25 03:01:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 2114 states and 3699 transitions. [2024-11-25 03:01:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3699 transitions. [2024-11-25 03:01:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-25 03:01:04,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:04,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat