./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:27,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:27,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:03:27,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:03:27,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:03:27,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:27,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:27,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:27,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:27,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:27,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:27,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:27,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:03:27,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:27,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:27,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:27,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:27,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:27,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:27,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:27,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:27,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:27,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:27,290 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:03:27,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:03:27,292 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_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d [2024-11-24 18:03:27,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:27,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:27,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:27,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:27,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:27,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2024-11-24 18:03:31,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/data/364e3e289/516023d5379546cd9bb1d86adf1f4ef5/FLAG189d9e9e7 [2024-11-24 18:03:31,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:31,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2024-11-24 18:03:31,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/data/364e3e289/516023d5379546cd9bb1d86adf1f4ef5/FLAG189d9e9e7 [2024-11-24 18:03:31,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/data/364e3e289/516023d5379546cd9bb1d86adf1f4ef5 [2024-11-24 18:03:31,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:31,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:31,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:31,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:31,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:31,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8d4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31, skipping insertion in model container [2024-11-24 18:03:31,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:03:32,121 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_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2024-11-24 18:03:32,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:32,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:03:32,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [48] [2024-11-24 18:03:32,631 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_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2024-11-24 18:03:33,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:33,077 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:03:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33 WrapperNode [2024-11-24 18:03:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:33,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:33,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:03:33,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:03:33,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,499 INFO L138 Inliner]: procedures = 63, calls = 2322, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4813 [2024-11-24 18:03:33,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:33,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:03:33,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:03:33,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:03:33,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:03:33,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:03:33,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:03:33,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:03:33,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:03:33,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:03:33,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b0f3bf-7ffe-40e3-8343-196da1bfc1cb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:03:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:03:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-24 18:03:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-24 18:03:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-24 18:03:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-24 18:03:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-24 18:03:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-24 18:03:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-24 18:03:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:03:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-24 18:03:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-24 18:03:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-24 18:03:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-24 18:03:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-24 18:03:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-24 18:03:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:03:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-24 18:03:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-24 18:03:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-24 18:03:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-24 18:03:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-24 18:03:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-24 18:03:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-24 18:03:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-24 18:03:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-24 18:03:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-24 18:03:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-24 18:03:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-24 18:03:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-24 18:03:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-24 18:03:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-24 18:03:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-24 18:03:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-24 18:03:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-24 18:03:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-24 18:03:34,699 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:03:34,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:01,939 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:01,940 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:02,445 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:02,445 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:04:02,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:02 BoogieIcfgContainer [2024-11-24 18:04:02,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:02,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:02,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:02,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:02,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:02" (1/1) ... [2024-11-24 18:04:02,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1309 states and 1989 transitions. [2024-11-24 18:04:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1989 transitions. [2024-11-24 18:04:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2024-11-24 18:04:02,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18632 trivial. 0 not checked. [2024-11-24 18:16:46,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:16:53,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:03,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:14,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:24,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:37,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:47,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:17:58,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:18:08,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:18:18,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []