./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.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_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/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_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/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_15297457-14f6-4731-954e-dc1e5cf495e4/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 c3428ae6a0cff233befb72334b90ad9e2070ed1c51acfcfa2fe6d4fef2ceb1ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:59:58,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:59:58,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:59:58,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:59:58,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:59:58,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:59:58,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:59:58,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:59:58,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:59:58,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:59:58,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:59:58,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:59:58,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:59:58,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:59:58,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:59:58,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:59:58,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:59:58,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:59:58,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:59:58,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:59:58,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:59:58,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:59:58,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:59:58,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:59:58,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:59:58,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:59:58,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:59:58,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:58,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:59:58,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:59:58,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:59:58,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:59:58,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:59:58,447 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_15297457-14f6-4731-954e-dc1e5cf495e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3428ae6a0cff233befb72334b90ad9e2070ed1c51acfcfa2fe6d4fef2ceb1ff [2024-11-08 23:59:58,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:59:58,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:59:58,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:59:58,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:59:58,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:59:58,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c Unable to find full path for "g++" [2024-11-09 00:00:00,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:01,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:01,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c [2024-11-09 00:00:01,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/data/51a1e2d1c/d80ad0af33de40978d724b99bf654b82/FLAG56cce7147 [2024-11-09 00:00:01,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/data/51a1e2d1c/d80ad0af33de40978d724b99bf654b82 [2024-11-09 00:00:01,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:01,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:01,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:01,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:01,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:01,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:01" (1/1) ... [2024-11-09 00:00:01,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54646ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:01, skipping insertion in model container [2024-11-09 00:00:01,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:01" (1/1) ... [2024-11-09 00:00:01,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:01,597 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_15297457-14f6-4731-954e-dc1e5cf495e4/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c[1682,1695] [2024-11-09 00:00:02,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:02,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:02,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [42] [2024-11-09 00:00:02,089 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_15297457-14f6-4731-954e-dc1e5cf495e4/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c[1682,1695] [2024-11-09 00:00:02,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:02,350 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:02,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02 WrapperNode [2024-11-09 00:00:02,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:02,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:02,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:02,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:02,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:02,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:02,795 INFO L138 Inliner]: procedures = 56, calls = 2288, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4971 [2024-11-09 00:00:02,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:02,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:02,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:02,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:02,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:02,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:02,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:02,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:03,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:03,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:03,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:03,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:02" (1/1) ... [2024-11-09 00:00:03,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:03,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:03,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15297457-14f6-4731-954e-dc1e5cf495e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-09 00:00:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-09 00:00:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-09 00:00:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-09 00:00:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:00:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-09 00:00:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-09 00:00:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-09 00:00:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-09 00:00:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-09 00:00:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-09 00:00:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:00:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-09 00:00:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-09 00:00:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-09 00:00:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-09 00:00:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-09 00:00:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-09 00:00:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-09 00:00:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-09 00:00:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:00:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-09 00:00:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-09 00:00:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-09 00:00:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-09 00:00:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:00:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-09 00:00:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-09 00:00:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-09 00:00:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-09 00:00:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:00:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:00:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:00:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-09 00:00:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-09 00:00:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-09 00:00:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-09 00:00:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-09 00:00:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-09 00:00:03,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:03,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:32,057 INFO L? ?]: Removed 354 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:32,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:32,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:32,359 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:32,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:32 BoogieIcfgContainer [2024-11-09 00:00:32,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:32,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:32,364 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:32,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:32,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:32" (1/1) ... [2024-11-09 00:00:32,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1496 states and 2337 transitions. [2024-11-09 00:00:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2337 transitions. [2024-11-09 00:00:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2024-11-09 00:00:32,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:32,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-11-09 00:02:00,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:02:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1496 states and 2335 transitions. [2024-11-09 00:02:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2335 transitions. [2024-11-09 00:02:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2024-11-09 00:02:00,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:00,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 43474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43474 trivial. 0 not checked. [2024-11-09 00:06:05,780 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 [] [2024-11-09 00:06:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 1507 states and 2382 transitions. [2024-11-09 00:06:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2382 transitions. [2024-11-09 00:06:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2024-11-09 00:06:06,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43472 trivial. 0 not checked. [2024-11-09 00:09:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1512 states and 2389 transitions. [2024-11-09 00:09:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2389 transitions. [2024-11-09 00:09:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-11-09 00:09:20,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:20,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat