./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.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_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/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_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/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_7e5b781c-045e-40b9-acf6-392e06e4deed/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 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b --- 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 16:33:15,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:15,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:15,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:15,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:15,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:15,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:15,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:15,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:15,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:15,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:15,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:15,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:15,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:15,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:15,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:15,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:15,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:15,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:15,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:15,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:15,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:15,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:15,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:15,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:15,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:15,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:15,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:15,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:15,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:15,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:15,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:15,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:15,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:15,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:16,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:16,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:16,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:16,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:16,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:16,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:16,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:16,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:16,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:16,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:16,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:16,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:16,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:16,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:16,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:16,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:16,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:16,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:16,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:16,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:16,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:16,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:16,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:16,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:16,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:16,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:16,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:16,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:16,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:16,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:16,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:16,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:16,071 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:16,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:16,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:16,072 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_7e5b781c-045e-40b9-acf6-392e06e4deed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b [2022-10-17 16:33:16,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:16,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:16,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:16,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:16,436 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:16,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2022-10-17 16:33:16,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/2c6aeb464/8aa6a7f75a704329bfdf3fe2a06e6130/FLAG0aa14af08 [2022-10-17 16:33:16,865 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:48) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:110) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:186) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:147) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:501) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:615) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:508) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2292) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:504) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$4.run(CProjectDescriptionManager.java:484) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:33:17,149 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:17,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2022-10-17 16:33:17,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/2c6aeb464/8aa6a7f75a704329bfdf3fe2a06e6130/FLAG0aa14af08 [2022-10-17 16:33:17,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/2c6aeb464/8aa6a7f75a704329bfdf3fe2a06e6130 [2022-10-17 16:33:17,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:17,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:17,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:17,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:17,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:17,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:17" (1/1) ... [2022-10-17 16:33:17,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339bef6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:17, skipping insertion in model container [2022-10-17 16:33:17,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:17" (1/1) ... [2022-10-17 16:33:17,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:17,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:17,692 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_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2022-10-17 16:33:18,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:18,118 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:18,132 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_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2022-10-17 16:33:18,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:18,457 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:18,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18 WrapperNode [2022-10-17 16:33:18,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:18,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:18,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:18,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:18,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,742 INFO L138 Inliner]: procedures = 58, calls = 1758, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3840 [2022-10-17 16:33:18,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:18,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:18,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:18,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:18,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:18,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:18,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:18,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:19,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:19,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:18" (1/1) ... [2022-10-17 16:33:19,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:19,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:19,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:33:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:33:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:33:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:33:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:33:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:33:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:33:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:33:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:33:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:33:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:33:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:33:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:33:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:33:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:33:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:33:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:33:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:33:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:33:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:33:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 16:33:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 16:33:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:33:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:33:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:33:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:33:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:33:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:33:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:33:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:33:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:33:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:33:19,729 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:19,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:43,050 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:43,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:43,301 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:33:43,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:43 BoogieIcfgContainer [2022-10-17 16:33:43,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:43,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:43,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:43,319 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:43,319 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:43" (1/1) ... [2022-10-17 16:33:43,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1151 states and 1756 transitions. [2022-10-17 16:33:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1756 transitions. [2022-10-17 16:33:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-10-17 16:33:43,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:43,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:43,599 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 16:33:43,608 INFO L158 Benchmark]: Toolchain (without parser) took 26206.18ms. Allocated memory was 81.8MB in the beginning and 213.9MB in the end (delta: 132.1MB). Free memory was 42.3MB in the beginning and 105.3MB in the end (delta: -63.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,609 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:43,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.75ms. Allocated memory is still 98.6MB. Free memory was 79.1MB in the beginning and 58.3MB in the end (delta: 20.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 284.19ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 58.4MB in the end (delta: -137.3kB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,613 INFO L158 Benchmark]: Boogie Preprocessor took 254.87ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 38.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,614 INFO L158 Benchmark]: RCFGBuilder took 24308.66ms. Allocated memory was 98.6MB in the beginning and 213.9MB in the end (delta: 115.3MB). Free memory was 38.7MB in the beginning and 124.8MB in the end (delta: -86.1MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,616 INFO L158 Benchmark]: CodeCheck took 296.11ms. Allocated memory is still 213.9MB. Free memory was 124.8MB in the beginning and 105.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:33:43,626 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 0.27ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.75ms. Allocated memory is still 98.6MB. Free memory was 79.1MB in the beginning and 58.3MB in the end (delta: 20.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 284.19ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 58.4MB in the end (delta: -137.3kB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 254.87ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 38.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 24308.66ms. Allocated memory was 98.6MB in the beginning and 213.9MB in the end (delta: 115.3MB). Free memory was 38.7MB in the beginning and 124.8MB in the end (delta: -86.1MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * CodeCheck took 296.11ms. Allocated memory is still 213.9MB. Free memory was 124.8MB in the beginning and 105.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:33:43,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/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_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/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_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/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_7e5b781c-045e-40b9-acf6-392e06e4deed/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 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b --- 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 16:33:46,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:46,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:46,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:46,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:46,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:46,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:46,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:46,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:46,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:46,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:46,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:46,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:46,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:46,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:46,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:46,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:46,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:46,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:46,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:46,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:46,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:46,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:46,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:46,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:46,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:46,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:46,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:46,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:46,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:46,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:46,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:46,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:46,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:46,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:46,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:46,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:46,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:46,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:46,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:46,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:46,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:33:46,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:46,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:46,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:46,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:46,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:46,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:46,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:46,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:46,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:46,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:46,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:46,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:46,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:46,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:33:46,389 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:33:46,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:33:46,389 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:46,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:46,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:46,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:46,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:46,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:46,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:46,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:46,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:46,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:46,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:46,392 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:33:46,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:33:46,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:46,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:33:46,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:33:46,393 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_7e5b781c-045e-40b9-acf6-392e06e4deed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b [2022-10-17 16:33:46,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:46,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:46,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:46,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:46,850 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:46,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2022-10-17 16:33:46,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/68aba964b/0ab70c0b6ab64cba8d347d67941caca6/FLAG266e255aa [2022-10-17 16:33:47,660 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:47,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2022-10-17 16:33:47,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/68aba964b/0ab70c0b6ab64cba8d347d67941caca6/FLAG266e255aa [2022-10-17 16:33:47,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/data/68aba964b/0ab70c0b6ab64cba8d347d67941caca6 [2022-10-17 16:33:47,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:47,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:47,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:47,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:47,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:47,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:47" (1/1) ... [2022-10-17 16:33:47,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4850c824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:47, skipping insertion in model container [2022-10-17 16:33:47,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:47" (1/1) ... [2022-10-17 16:33:47,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:47,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:48,234 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_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2022-10-17 16:33:48,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:48,668 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:48,693 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_7e5b781c-045e-40b9-acf6-392e06e4deed/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2022-10-17 16:33:48,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:49,011 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:49,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49 WrapperNode [2022-10-17 16:33:49,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:49,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:49,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:49,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:49,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,264 INFO L138 Inliner]: procedures = 61, calls = 1758, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3837 [2022-10-17 16:33:49,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:49,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:49,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:49,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:49,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:49,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:49,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:49,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:49,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:49" (1/1) ... [2022-10-17 16:33:49,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:49,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:49,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:49,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5b781c-045e-40b9-acf6-392e06e4deed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:33:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:33:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 16:33:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:33:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:33:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:33:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:33:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:33:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:33:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:33:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:33:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:33:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:33:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:33:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:33:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:33:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:33:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:33:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:33:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:33:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 16:33:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:33:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:33:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:33:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:33:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 16:33:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 16:33:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:33:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:33:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:33:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:33:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:33:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:33:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:33:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:33:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:33:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:33:50,354 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:50,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation