./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/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 1e48f4337a15a9c341fdd857d44943beb3f49e54e3888dcfe82472f36a11730d --- 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 16:50:43,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:43,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:43,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:43,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:43,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:43,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:43,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:43,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:43,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:43,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:43,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:43,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:43,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:43,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:43,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:43,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:43,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:43,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:43,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:43,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:43,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:43,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:43,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:43,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:43,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:43,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:43,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:43,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:43,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:43,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:43,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:43,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:43,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:43,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:43,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:43,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:43,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:43,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:43,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:43,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:44,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:44,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:44,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:44,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:44,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:44,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:44,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:44,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:44,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:44,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:44,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:44,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:44,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:44,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:44,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:44,055 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:44,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:44,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:44,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:44,055 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:44,056 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:44,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:44,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:44,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:44,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:44,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:44,057 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:44,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:44,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:44,058 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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e48f4337a15a9c341fdd857d44943beb3f49e54e3888dcfe82472f36a11730d [2022-10-17 16:50:44,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:44,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:44,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:44,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:44,452 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:44,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c [2022-10-17 16:50:44,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/data/a2b1fac2e/84a35853bd5545d6ab094613bf76c24a/FLAG71fab356a [2022-10-17 16:50:45,884 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:45,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c [2022-10-17 16:50:45,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/data/a2b1fac2e/84a35853bd5545d6ab094613bf76c24a/FLAG71fab356a [2022-10-17 16:50:45,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/data/a2b1fac2e/84a35853bd5545d6ab094613bf76c24a [2022-10-17 16:50:45,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:45,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:45,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:45,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:45,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:45,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a805aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45, skipping insertion in model container [2022-10-17 16:50:45,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:46,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:48,960 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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c[380323,380336] [2022-10-17 16:50:49,003 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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c[383339,383352] [2022-10-17 16:50:49,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:49,263 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:50,617 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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c[380323,380336] [2022-10-17 16:50:50,624 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_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-1.c[383339,383352] [2022-10-17 16:50:50,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:50,724 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:50,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50 WrapperNode [2022-10-17 16:50:50,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:50,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:50,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:50,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:50,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:51,413 INFO L138 Inliner]: procedures = 48, calls = 47, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12619 [2022-10-17 16:50:51,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:51,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:51,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:51,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:51,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:51,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:51,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:51,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:51,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:52,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:52,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:52,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:52,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:52,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:52,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:52,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:52,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:52,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:52,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c63e94-a6c6-4f79-b1ba-a9d7ff7226ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:50:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:50:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:50:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:50:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:50:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:50:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:50:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:50:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:50:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:50:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:50:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:50:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:52,555 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:52,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:02,103 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:04,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:04,426 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:51:04,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:04 BoogieIcfgContainer [2022-10-17 16:51:04,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:04,436 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:04,436 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:04,449 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:04,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:04" (1/1) ... [2022-10-17 16:51:04,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1721 states and 3385 transitions. [2022-10-17 16:51:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 3385 transitions. [2022-10-17 16:51:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:04,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1729 states and 3399 transitions. [2022-10-17 16:51:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 3399 transitions. [2022-10-17 16:51:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:05,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1730 states and 3399 transitions. [2022-10-17 16:51:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 3399 transitions. [2022-10-17 16:51:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:05,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1731 states and 3399 transitions. [2022-10-17 16:51:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 3399 transitions. [2022-10-17 16:51:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:05,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 1734 states and 3404 transitions. [2022-10-17 16:51:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3404 transitions. [2022-10-17 16:51:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:05,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1742 states and 3419 transitions. [2022-10-17 16:51:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3419 transitions. [2022-10-17 16:51:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:51:06,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 1755 states and 3446 transitions. [2022-10-17 16:51:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3446 transitions. [2022-10-17 16:51:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:51:07,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:07,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:51:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 1760 states and 3457 transitions. [2022-10-17 16:51:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3457 transitions. [2022-10-17 16:51:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:07,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:51:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 1761 states and 3458 transitions. [2022-10-17 16:51:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3458 transitions. [2022-10-17 16:51:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:08,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1776 states and 3492 transitions. [2022-10-17 16:51:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3492 transitions. [2022-10-17 16:51:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:10,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:10,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.