./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b --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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:20:39,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:20:39,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:20:39,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:20:39,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:20:39,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:20:39,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:20:39,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:20:39,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:20:39,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:20:39,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:20:39,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:20:39,493 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:20:39,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:39,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:20:39,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:20:39,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:20:39,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:20:39,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b 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 -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2024-12-06 01:20:39,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:20:39,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:20:39,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:20:39,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:20:39,746 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:20:39,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2024-12-06 01:20:42,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/data/6163c0e0b/6e673fcd5ade4f488cc66ee59f141d2e/FLAG1f8eb3078 [2024-12-06 01:20:42,715 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:20:42,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2024-12-06 01:20:42,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/data/6163c0e0b/6e673fcd5ade4f488cc66ee59f141d2e/FLAG1f8eb3078 [2024-12-06 01:20:42,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/data/6163c0e0b/6e673fcd5ade4f488cc66ee59f141d2e [2024-12-06 01:20:42,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:20:42,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:20:42,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:42,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:20:42,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:20:42,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:42" (1/1) ... [2024-12-06 01:20:42,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63358675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:42, skipping insertion in model container [2024-12-06 01:20:42,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:42" (1/1) ... [2024-12-06 01:20:43,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:20:43,149 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_edc66c2a-11c9-4346-b09b-33f1212a0094/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2024-12-06 01:20:43,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:43,559 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:20:43,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2024-12-06 01:20:43,574 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_edc66c2a-11c9-4346-b09b-33f1212a0094/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2024-12-06 01:20:43,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:43,810 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:20:43,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43 WrapperNode [2024-12-06 01:20:43,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:43,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:43,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:20:43,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:20:43,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:43,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,016 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8497 [2024-12-06 01:20:44,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:44,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:20:44,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:20:44,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:20:44,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:20:44,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:20:44,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:20:44,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:20:44,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:43" (1/1) ... [2024-12-06 01:20:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:20:44,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:20:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc66c2a-11c9-4346-b09b-33f1212a0094/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-12-06 01:20:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2024-12-06 01:20:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-12-06 01:20:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2024-12-06 01:20:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:20:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 01:20:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 01:20:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2024-12-06 01:20:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2024-12-06 01:20:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2024-12-06 01:20:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2024-12-06 01:20:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2024-12-06 01:20:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2024-12-06 01:20:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2024-12-06 01:20:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2024-12-06 01:20:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2024-12-06 01:20:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2024-12-06 01:20:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:20:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:20:44,822 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:20:44,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:21:32,816 INFO L? ?]: Removed 947 outVars from TransFormulas that were not future-live. [2024-12-06 01:21:32,816 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:21:36,988 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:21:36,988 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:21:36,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:36 BoogieIcfgContainer [2024-12-06 01:21:36,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:21:36,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:21:36,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:21:36,996 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:21:36,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:36" (1/1) ... [2024-12-06 01:21:37,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:21:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 962 states and 1457 transitions. [2024-12-06 01:21:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1457 transitions. [2024-12-06 01:21:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:21:37,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:27:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:27:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:27:15,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:27:26,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:27:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 962 states and 1455 transitions. [2024-12-06 01:27:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1455 transitions. [2024-12-06 01:27:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 01:27:26,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:31:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 01:32:22,800 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 [] [2024-12-06 01:32:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 988 states and 1509 transitions. [2024-12-06 01:32:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1509 transitions. [2024-12-06 01:32:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-06 01:32:23,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:23,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms