./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/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 cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:18,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:19,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:00:19,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:19,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:19,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:19,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:19,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:19,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:19,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:19,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:19,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:19,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:19,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:19,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:19,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:19,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:19,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:19,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:19,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:19,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:19,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:19,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:19,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:19,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:19,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:19,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:19,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:19,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:19,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:19,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:19,050 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:19,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:19,051 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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2024-11-08 23:00:19,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:19,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:19,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:19,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:19,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:19,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c Unable to find full path for "g++" [2024-11-08 23:00:21,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:21,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:21,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2024-11-08 23:00:21,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/data/98e747435/9d67a33b38c54859a7748bf102008a48/FLAG000422322 [2024-11-08 23:00:21,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/data/98e747435/9d67a33b38c54859a7748bf102008a48 [2024-11-08 23:00:21,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:21,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:21,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:21,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:21,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:21,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:21" (1/1) ... [2024-11-08 23:00:21,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3879a3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:21, skipping insertion in model container [2024-11-08 23:00:21,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:21" (1/1) ... [2024-11-08 23:00:22,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:22,280 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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2024-11-08 23:00:22,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:22,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:23,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] [2024-11-08 23:00:23,012 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_ba28ba75-c4ac-4c27-a4fe-0249444000ea/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2024-11-08 23:00:23,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:23,433 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:23,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23 WrapperNode [2024-11-08 23:00:23,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:23,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:23,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:23,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:23,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:23,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:23,871 INFO L138 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8507 [2024-11-08 23:00:23,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:23,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:23,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:23,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:23,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:23,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:23,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:23,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:24,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:24,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:24,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:24,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:23" (1/1) ... [2024-11-08 23:00:24,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:24,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:24,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba28ba75-c4ac-4c27-a4fe-0249444000ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2024-11-08 23:00:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2024-11-08 23:00:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2024-11-08 23:00:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2024-11-08 23:00:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:00:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2024-11-08 23:00:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2024-11-08 23:00:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-08 23:00:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-08 23:00:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-08 23:00:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-08 23:00:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2024-11-08 23:00:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2024-11-08 23:00:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-08 23:00:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-08 23:00:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2024-11-08 23:00:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2024-11-08 23:00:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2024-11-08 23:00:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2024-11-08 23:00:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2024-11-08 23:00:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2024-11-08 23:00:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:00:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 23:00:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 23:00:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2024-11-08 23:00:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2024-11-08 23:00:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2024-11-08 23:00:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2024-11-08 23:00:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2024-11-08 23:00:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2024-11-08 23:00:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2024-11-08 23:00:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2024-11-08 23:00:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2024-11-08 23:00:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2024-11-08 23:00:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-08 23:00:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-08 23:00:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-08 23:00:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-08 23:00:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2024-11-08 23:00:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2024-11-08 23:00:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2024-11-08 23:00:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2024-11-08 23:00:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2024-11-08 23:00:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2024-11-08 23:00:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-08 23:00:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-08 23:00:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2024-11-08 23:00:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2024-11-08 23:00:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-08 23:00:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-08 23:00:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2024-11-08 23:00:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2024-11-08 23:00:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2024-11-08 23:00:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2024-11-08 23:00:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-08 23:00:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-08 23:00:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2024-11-08 23:00:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2024-11-08 23:00:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2024-11-08 23:00:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2024-11-08 23:00:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2024-11-08 23:00:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2024-11-08 23:00:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-08 23:00:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-08 23:00:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2024-11-08 23:00:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2024-11-08 23:00:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2024-11-08 23:00:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2024-11-08 23:00:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2024-11-08 23:00:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2024-11-08 23:00:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2024-11-08 23:00:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2024-11-08 23:00:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2024-11-08 23:00:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2024-11-08 23:00:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2024-11-08 23:00:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2024-11-08 23:00:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2024-11-08 23:00:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2024-11-08 23:00:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2024-11-08 23:00:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2024-11-08 23:00:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2024-11-08 23:00:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2024-11-08 23:00:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2024-11-08 23:00:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2024-11-08 23:00:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2024-11-08 23:00:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2024-11-08 23:00:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2024-11-08 23:00:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2024-11-08 23:00:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:00:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2024-11-08 23:00:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2024-11-08 23:00:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:25,013 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:25,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:01:28,541 INFO L? ?]: Removed 940 outVars from TransFormulas that were not future-live. [2024-11-08 23:01:28,541 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:01:35,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:01:35,739 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 23:01:35,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:35 BoogieIcfgContainer [2024-11-08 23:01:35,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:01:35,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:01:35,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:01:35,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:01:35,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:35" (1/1) ... [2024-11-08 23:01:35,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:01:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 952 states and 1441 transitions. [2024-11-08 23:01:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1441 transitions. [2024-11-08 23:01:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:01:35,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:10:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:44,017 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 23:10:54,113 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 23:10:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 952 states and 1439 transitions. [2024-11-08 23:10:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1439 transitions. [2024-11-08 23:10:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 23:10:54,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:54,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms