./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/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 bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:10:34,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:10:34,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:10:34,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:10:34,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:10:34,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:10:34,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:10:34,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:10:34,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:10:34,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:10:34,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:10:34,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:10:34,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:10:34,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:10:34,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:10:34,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:10:34,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:10:34,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:10:34,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:10:34,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:10:34,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:10:34,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:10:34,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:10:34,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:10:34,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:10:34,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:10:34,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:10:34,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:10:34,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:10:34,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:10:34,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:10:34,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:10:34,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:10:34,752 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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a [2024-11-08 23:10:35,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:10:35,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:10:35,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:10:35,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:10:35,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:10:35,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c Unable to find full path for "g++" [2024-11-08 23:10:37,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:10:37,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:10:37,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2024-11-08 23:10:37,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/data/e6cb92774/96483a0f4745466a88861fa8cfd55e64/FLAGf60ba43a3 [2024-11-08 23:10:37,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/data/e6cb92774/96483a0f4745466a88861fa8cfd55e64 [2024-11-08 23:10:37,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:10:37,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:10:37,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:10:37,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:10:37,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:10:37,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:10:37" (1/1) ... [2024-11-08 23:10:37,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133246a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:37, skipping insertion in model container [2024-11-08 23:10:37,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:10:37" (1/1) ... [2024-11-08 23:10:37,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:10:38,261 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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-11-08 23:10:38,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:10:38,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:10:38,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [38] [2024-11-08 23:10:38,882 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_ab5b686c-e2d8-43fb-a012-bdf8a175a689/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-11-08 23:10:39,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:10:39,185 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:10:39,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39 WrapperNode [2024-11-08 23:10:39,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:10:39,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:10:39,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:10:39,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:10:39,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,555 INFO L138 Inliner]: procedures = 55, calls = 2249, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4884 [2024-11-08 23:10:39,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:10:39,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:10:39,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:10:39,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:10:39,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:39,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:40,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:10:40,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:10:40,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:10:40,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:10:40,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:10:39" (1/1) ... [2024-11-08 23:10:40,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:10:40,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:10:40,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:10:40,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5b686c-e2d8-43fb-a012-bdf8a175a689/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:10:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:10:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-08 23:10:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-08 23:10:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-08 23:10:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-08 23:10:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:10:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-08 23:10:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-08 23:10:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-08 23:10:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-08 23:10:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-08 23:10:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-08 23:10:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:10:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-08 23:10:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-08 23:10:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-08 23:10:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-08 23:10:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 23:10:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 23:10:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 23:10:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 23:10:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:10:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-08 23:10:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-08 23:10:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:10:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-08 23:10:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-08 23:10:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:10:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:10:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:10:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:10:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:10:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-08 23:10:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-08 23:10:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-08 23:10:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-08 23:10:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-08 23:10:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-08 23:10:40,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:10:40,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:07,029 INFO L? ?]: Removed 350 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:07,030 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:07,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:07,442 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:11:07,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:07 BoogieIcfgContainer [2024-11-08 23:11:07,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:07,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:07,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:07,456 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:07,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:07" (1/1) ... [2024-11-08 23:11:07,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1437 states and 2251 transitions. [2024-11-08 23:11:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2251 transitions. [2024-11-08 23:11:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2024-11-08 23:11:07,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 62443 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 62374 trivial. 0 not checked. [2024-11-08 23:12:52,133 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 [] [2024-11-08 23:13:02,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:13:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1437 states and 2249 transitions. [2024-11-08 23:13:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2249 transitions. [2024-11-08 23:13:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2024-11-08 23:13:02,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 65251 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 64966 trivial. 0 not checked. [2024-11-08 23:17:25,440 WARN L539 Checker$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 23:17:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1448 states and 2296 transitions. [2024-11-08 23:17:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2296 transitions. [2024-11-08 23:17:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2024-11-08 23:17:26,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:26,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 64973 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 64780 trivial. 0 not checked. [2024-11-08 23:21:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 1453 states and 2303 transitions. [2024-11-08 23:21:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2303 transitions. [2024-11-08 23:21:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2024-11-08 23:21:28,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 66355 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 66346 trivial. 0 not checked. [2024-11-08 23:24:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1460 states and 2317 transitions. [2024-11-08 23:24:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2317 transitions. [2024-11-08 23:24:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1789 [2024-11-08 23:24:58,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:58,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms