./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/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 e0278abdbbb57b3938e33a237527cf3a8d14feaf8eba047d58da36569d27728f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:50,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:50,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:55:50,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:50,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:50,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:50,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:50,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:50,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:50,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:50,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:50,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:50,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:50,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:50,753 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:50,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:50,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:50,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:50,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:50,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:50,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:50,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:50,754 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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/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 -> e0278abdbbb57b3938e33a237527cf3a8d14feaf8eba047d58da36569d27728f [2024-12-05 21:55:50,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:51,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:51,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:51,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:51,007 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:51,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2024-12-05 21:55:53,718 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/data/5c6849ef5/c6b381afd0c24fe0b751135d1434674c/FLAG7c5be4527 [2024-12-05 21:55:54,003 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:54,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2024-12-05 21:55:54,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/data/5c6849ef5/c6b381afd0c24fe0b751135d1434674c/FLAG7c5be4527 [2024-12-05 21:55:54,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/data/5c6849ef5/c6b381afd0c24fe0b751135d1434674c [2024-12-05 21:55:54,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:54,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:54,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:54,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:54,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:54,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed6f7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54, skipping insertion in model container [2024-12-05 21:55:54,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:54,202 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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c[1765,1778] [2024-12-05 21:55:54,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:54,478 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:54,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [42] [2024-12-05 21:55:54,489 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_37f7550b-5c27-4012-accc-d6b58f3c9aa9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c[1765,1778] [2024-12-05 21:55:54,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:54,654 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:54,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54 WrapperNode [2024-12-05 21:55:54,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:54,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:54,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:54,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:54,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,871 INFO L138 Inliner]: procedures = 60, calls = 2794, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 6073 [2024-12-05 21:55:54,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:54,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:54,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:54,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:54,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:54,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:55,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:55,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:55,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:55,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:54" (1/1) ... [2024-12-05 21:55:55,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:55,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:55,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:55,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f7550b-5c27-4012-accc-d6b58f3c9aa9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-05 21:55:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-05 21:55:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-05 21:55:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-05 21:55:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-05 21:55:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-05 21:55:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:55:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-05 21:55:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-12-05 21:55:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-05 21:55:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-12-05 21:55:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:55:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:55:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-05 21:55:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-05 21:55:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-05 21:55:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-05 21:55:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-05 21:55:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-05 21:55:55,487 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:55,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:56:21,556 INFO L? ?]: Removed 378 outVars from TransFormulas that were not future-live. [2024-12-05 21:56:21,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:56:21,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:56:21,921 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:56:21,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:21 BoogieIcfgContainer [2024-12-05 21:56:21,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:56:21,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:56:21,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:56:21,931 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:56:21,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:21" (1/1) ... [2024-12-05 21:56:21,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:56:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 1769 states and 2747 transitions. [2024-12-05 21:56:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2747 transitions. [2024-12-05 21:56:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-12-05 21:56:22,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-12-05 21:57:59,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:58:09,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:58:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 1769 states and 2745 transitions. [2024-12-05 21:58:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2745 transitions. [2024-12-05 21:58:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-05 21:58:09,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:01:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-05 22:01:53,498 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 [] [2024-12-05 22:01:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1780 states and 2792 transitions. [2024-12-05 22:01:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2792 transitions. [2024-12-05 22:01:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2024-12-05 22:01:53,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:01:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-12-05 22:05:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 1785 states and 2799 transitions. [2024-12-05 22:05:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2799 transitions. [2024-12-05 22:05:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-12-05 22:05:30,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:30,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:06:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-12-05 22:07:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:07:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1785 states and 2798 transitions. [2024-12-05 22:07:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2798 transitions. [2024-12-05 22:07:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-12-05 22:07:31,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:07:31,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked.