./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/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 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:21:03,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:21:03,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:21:03,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:21:03,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:21:03,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:21:03,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:21:03,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:21:03,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:21:03,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:21:03,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:21:03,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:21:03,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:21:03,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:21:03,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:21:03,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:21:03,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:21:03,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:21:03,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:21:03,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:21:03,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:21:03,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:21:03,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:21:03,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:21:03,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:21:03,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:21:03,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:21:03,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:03,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:21:03,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:21:03,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:21:03,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:21:03,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:21:03,639 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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b [2024-11-08 23:21:03,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:21:03,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:21:03,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:21:03,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:21:03,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:21:03,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c Unable to find full path for "g++" [2024-11-08 23:21:06,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:21:06,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:21:06,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2024-11-08 23:21:06,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/data/9023e95f7/69a17db25c6c4cd9b85a346ea2af26e5/FLAGbcda9bd33 [2024-11-08 23:21:06,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/data/9023e95f7/69a17db25c6c4cd9b85a346ea2af26e5 [2024-11-08 23:21:06,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:21:06,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:21:06,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:06,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:21:06,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:21:06,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:06" (1/1) ... [2024-11-08 23:21:06,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3823acfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:06, skipping insertion in model container [2024-11-08 23:21:06,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:06" (1/1) ... [2024-11-08 23:21:06,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:21:06,776 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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2024-11-08 23:21:07,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:07,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:21:07,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [47] [2024-11-08 23:21:07,336 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_e2ed53a9-5b54-4369-872b-dc8c79200fcd/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2024-11-08 23:21:07,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:07,741 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:21:07,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07 WrapperNode [2024-11-08 23:21:07,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:07,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:07,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:21:07,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:21:07,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:07,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,107 INFO L138 Inliner]: procedures = 59, calls = 1914, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4121 [2024-11-08 23:21:08,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:08,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:21:08,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:21:08,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:21:08,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:21:08,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:21:08,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:21:08,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:21:08,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:07" (1/1) ... [2024-11-08 23:21:08,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:21:08,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:21:08,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ed53a9-5b54-4369-872b-dc8c79200fcd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:21:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:21:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-08 23:21:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-08 23:21:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-08 23:21:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-08 23:21:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 23:21:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:21:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-08 23:21:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-08 23:21:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-08 23:21:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-08 23:21:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-08 23:21:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-08 23:21:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:21:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-08 23:21:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-08 23:21:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-08 23:21:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-08 23:21:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 23:21:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 23:21:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 23:21:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 23:21:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:21:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-08 23:21:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-08 23:21:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:21:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 23:21:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 23:21:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-08 23:21:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-08 23:21:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:21:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:21:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:21:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:21:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:21:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-08 23:21:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-08 23:21:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-08 23:21:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-08 23:21:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-08 23:21:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-08 23:21:09,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:21:09,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:21:34,893 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-11-08 23:21:34,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:21:35,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:21:35,344 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:21:35,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:35 BoogieIcfgContainer [2024-11-08 23:21:35,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:21:35,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:21:35,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:21:35,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:21:35,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:35" (1/1) ... [2024-11-08 23:21:35,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1153 states and 1759 transitions. [2024-11-08 23:21:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1759 transitions. [2024-11-08 23:21:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2024-11-08 23:21:35,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:35,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:22:50,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:00,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:11,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:21,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:31,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:43,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:23:54,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:24:04,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:24:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:24:24,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:24:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 1511 states and 2501 transitions. [2024-11-08 23:24:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2501 transitions. [2024-11-08 23:24:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:24:27,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:25:27,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:25:39,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:25:49,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:25:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 1516 states and 2511 transitions. [2024-11-08 23:25:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2511 transitions. [2024-11-08 23:25:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:25:50,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:26:48,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:26:58,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:27:08,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:27:15,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:27:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1596 states and 2659 transitions. [2024-11-08 23:27:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2659 transitions. [2024-11-08 23:27:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:27:17,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:17,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:29:22,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:32,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:38,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:48,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 1687 states and 2836 transitions. [2024-11-08 23:29:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2836 transitions. [2024-11-08 23:29:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:29:53,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:53,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:30:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 1720 states and 2918 transitions. [2024-11-08 23:30:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2918 transitions. [2024-11-08 23:30:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:30:58,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:58,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:32:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1731 states and 2944 transitions. [2024-11-08 23:32:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2944 transitions. [2024-11-08 23:32:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:32:07,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:33:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 1786 states and 3081 transitions. [2024-11-08 23:33:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3081 transitions. [2024-11-08 23:33:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:33:15,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-08 23:34:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 1819 states and 3163 transitions. [2024-11-08 23:34:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3163 transitions. [2024-11-08 23:34:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-11-08 23:34:09,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat