./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:55:01,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:01,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:01,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:01,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:01,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:01,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:01,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:01,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:01,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:01,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:01,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:01,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:01,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:01,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:01,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:01,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:01,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:01,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:01,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:01,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:01,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:01,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:01,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:01,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:01,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:01,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:01,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:01,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:01,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:01,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:01,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:01,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:01,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:01,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:01,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:01,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:01,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:01,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:01,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:01,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:01,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:01,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:01,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:01,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:01,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:01,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:01,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:01,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:01,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:01,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:01,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:01,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:01,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:01,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:01,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:01,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:01,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:01,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:01,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:01,509 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:01,509 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:01,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:01,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:01,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:01,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:01,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:01,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:01,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:01,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:01,524 INFO L138 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e [2022-10-17 16:55:01,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:01,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:01,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:01,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:01,940 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:01,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2022-10-17 16:55:02,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/5f69e6189/86fc682159a34f4a949b8123c73f3c82/FLAG7f02e4e89 [2022-10-17 16:55:02,765 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:02,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2022-10-17 16:55:02,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/5f69e6189/86fc682159a34f4a949b8123c73f3c82/FLAG7f02e4e89 [2022-10-17 16:55:02,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/5f69e6189/86fc682159a34f4a949b8123c73f3c82 [2022-10-17 16:55:02,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:02,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:02,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:02,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:02,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:02,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:02" (1/1) ... [2022-10-17 16:55:02,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15673449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:02, skipping insertion in model container [2022-10-17 16:55:02,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:02" (1/1) ... [2022-10-17 16:55:02,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:02,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:03,197 WARN L230 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2022-10-17 16:55:03,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:03,669 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:03,695 WARN L230 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2022-10-17 16:55:03,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:04,024 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:04,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04 WrapperNode [2022-10-17 16:55:04,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:04,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:04,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:04,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:04,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,304 INFO L138 Inliner]: procedures = 62, calls = 1929, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4123 [2022-10-17 16:55:04,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:04,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:04,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:04,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:04,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,515 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:04,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:04,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:04,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:04,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:04" (1/1) ... [2022-10-17 16:55:04,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:04,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:04,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:55:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:55:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:55:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:55:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:55:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:55:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:55:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:55:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2022-10-17 16:55:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2022-10-17 16:55:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:55:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:55:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:55:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:55:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:55:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:55:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:55:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:55:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:55:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:55:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:55:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:55:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 16:55:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 16:55:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:55:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:55:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-17 16:55:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-17 16:55:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:55:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:55:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:55:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:55:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:55:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:55:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:55:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:55:05,323 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:05,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:28,882 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:29,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:29,147 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:29,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:29 BoogieIcfgContainer [2022-10-17 16:55:29,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:29,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:29,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:29,168 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:29,169 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:29" (1/1) ... [2022-10-17 16:55:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1236 states and 1882 transitions. [2022-10-17 16:55:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1882 transitions. [2022-10-17 16:55:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-10-17 16:55:29,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:29,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:29,500 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:55:29,504 INFO L158 Benchmark]: Toolchain (without parser) took 26623.24ms. Allocated memory was 94.4MB in the beginning and 228.6MB in the end (delta: 134.2MB). Free memory was 69.9MB in the beginning and 155.0MB in the end (delta: -85.1MB). Peak memory consumption was 145.5MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,505 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:29,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1144.31ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 69.8MB in the beginning and 87.9MB in the end (delta: -18.1MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.07ms. Allocated memory is still 130.0MB. Free memory was 87.9MB in the beginning and 63.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,508 INFO L158 Benchmark]: Boogie Preprocessor took 247.61ms. Allocated memory is still 130.0MB. Free memory was 63.9MB in the beginning and 71.1MB in the end (delta: -7.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,509 INFO L158 Benchmark]: RCFGBuilder took 24600.85ms. Allocated memory was 130.0MB in the beginning and 228.6MB in the end (delta: 98.6MB). Free memory was 71.1MB in the beginning and 75.4MB in the end (delta: -4.2MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,510 INFO L158 Benchmark]: CodeCheck took 346.22ms. Allocated memory is still 228.6MB. Free memory was 75.4MB in the beginning and 155.0MB in the end (delta: -79.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:55:29,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1144.31ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 69.8MB in the beginning and 87.9MB in the end (delta: -18.1MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.07ms. Allocated memory is still 130.0MB. Free memory was 87.9MB in the beginning and 63.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.61ms. Allocated memory is still 130.0MB. Free memory was 63.9MB in the beginning and 71.1MB in the end (delta: -7.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 24600.85ms. Allocated memory was 130.0MB in the beginning and 228.6MB in the end (delta: 98.6MB). Free memory was 71.1MB in the beginning and 75.4MB in the end (delta: -4.2MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * CodeCheck took 346.22ms. Allocated memory is still 228.6MB. Free memory was 75.4MB in the beginning and 155.0MB in the end (delta: -79.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:55:29,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:55:32,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:32,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:32,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:32,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:32,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:32,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:32,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:32,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:32,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:32,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:32,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:32,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:32,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:32,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:32,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:32,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:32,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:32,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:32,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:32,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:32,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:32,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:32,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:32,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:32,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:32,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:32,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:32,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:32,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:32,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:32,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:32,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:32,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:32,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:32,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:32,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:32,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:32,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:32,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:32,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:32,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:55:32,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:32,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:32,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:32,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:32,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:32,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:32,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:32,403 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:32,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:32,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:32,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:32,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:32,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:32,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:55:32,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:55:32,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:55:32,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:32,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:32,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:32,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:32,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:32,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:32,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:32,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:32,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:32,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:32,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:32,410 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:55:32,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:55:32,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:32,410 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:55:32,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:55:32,411 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e [2022-10-17 16:55:32,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:32,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:32,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:32,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:32,791 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:32,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2022-10-17 16:55:32,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/b766cc089/630241fcbf464394a720bee28d7f08e8/FLAGa7e8b8f47 [2022-10-17 16:55:33,638 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:33,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2022-10-17 16:55:33,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/b766cc089/630241fcbf464394a720bee28d7f08e8/FLAGa7e8b8f47 [2022-10-17 16:55:33,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/data/b766cc089/630241fcbf464394a720bee28d7f08e8 [2022-10-17 16:55:33,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:33,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:33,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:33,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:33,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:33,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:33" (1/1) ... [2022-10-17 16:55:33,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3092dcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:33, skipping insertion in model container [2022-10-17 16:55:33,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:33" (1/1) ... [2022-10-17 16:55:33,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:33,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:34,097 WARN L230 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2022-10-17 16:55:34,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:34,446 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:34,462 WARN L230 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_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2022-10-17 16:55:34,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:34,728 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:34,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34 WrapperNode [2022-10-17 16:55:34,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:34,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:34,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:34,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:34,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:34,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:34,987 INFO L138 Inliner]: procedures = 65, calls = 1929, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4120 [2022-10-17 16:55:34,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:34,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:34,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:34,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:34,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:34,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:35,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:35,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:35,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:35,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:34" (1/1) ... [2022-10-17 16:55:35,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:35,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:35,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:35,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5257a8fe-5f1e-46c7-96ea-29c3c5a94cd8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:55:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:55:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 16:55:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:55:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:55:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:55:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:55:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:55:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:55:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2022-10-17 16:55:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2022-10-17 16:55:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:55:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:55:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:55:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:55:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:55:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:55:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:55:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:55:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:55:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:55:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:55:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 16:55:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:55:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:55:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:55:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:55:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 16:55:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 16:55:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:55:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:55:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-17 16:55:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-17 16:55:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:55:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:55:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:55:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:55:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:55:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:55:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:55:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:55:36,031 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:36,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation