./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aa7bd07197bec95559c5698226af90cd1b90ff400e8df11e207de02b1c5b2da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:37,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:37,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:17:37,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:37,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:37,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:37,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:37,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:37,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:37,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:37,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:37,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:37,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:37,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:37,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:37,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:37,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:37,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:37,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:37,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:37,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:37,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:37,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:37,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:37,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:37,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:37,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:37,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:37,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:37,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:37,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:37,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:37,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:37,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa7bd07197bec95559c5698226af90cd1b90ff400e8df11e207de02b1c5b2da [2023-11-24 22:17:37,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:37,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:37,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:37,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:37,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:37,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2023-11-24 22:17:41,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:41,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:41,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2023-11-24 22:17:41,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/data/be547706a/73b96387e5524db8af1d23d138cd00e4/FLAGf645cf538 [2023-11-24 22:17:41,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/data/be547706a/73b96387e5524db8af1d23d138cd00e4 [2023-11-24 22:17:41,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:41,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:41,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:41,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:41,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:41,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c32915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41, skipping insertion in model container [2023-11-24 22:17:41,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:42,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:42,260 WARN L240 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_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[913,926] [2023-11-24 22:17:42,326 WARN L240 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_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[5994,6007] [2023-11-24 22:17:42,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:42,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:42,501 WARN L240 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_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[913,926] [2023-11-24 22:17:42,524 WARN L240 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_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c[5994,6007] [2023-11-24 22:17:42,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:42,601 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:42,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42 WrapperNode [2023-11-24 22:17:42,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:42,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:42,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:42,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:42,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,705 INFO L138 Inliner]: procedures = 56, calls = 61, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 606 [2023-11-24 22:17:42,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:42,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:42,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:42,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:42,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:42,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:42,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:42,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:42,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:42" (1/1) ... [2023-11-24 22:17:42,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:42,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:42,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:42,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:17:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:17:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-11-24 22:17:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-11-24 22:17:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:17:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:17:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:17:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:17:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:17:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:17:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:17:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:17:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:17:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:17:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:17:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:17:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:17:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:17:43,085 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:43,088 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:43,810 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:44,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:44,160 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-24 22:17:44,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:44 BoogieIcfgContainer [2023-11-24 22:17:44,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:44,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:44,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:44,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:44,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:44" (1/1) ... [2023-11-24 22:17:44,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 157 states and 232 transitions. [2023-11-24 22:17:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2023-11-24 22:17:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:44,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:44,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:44,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:44,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:44,710 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:17:44,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-24 22:17:44,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:17:44 ImpRootNode [2023-11-24 22:17:44,804 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:17:44,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:17:44,805 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:17:44,805 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:17:44,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:44" (3/4) ... [2023-11-24 22:17:44,807 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:17:44,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-24 22:17:44,937 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:17:44,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:17:44,942 INFO L158 Benchmark]: Toolchain (without parser) took 2954.72ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 146.9MB in the beginning and 154.8MB in the end (delta: -7.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,945 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:44,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.38ms. Allocated memory is still 178.3MB. Free memory was 146.9MB in the beginning and 127.9MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.20ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,951 INFO L158 Benchmark]: Boogie Preprocessor took 98.90ms. Allocated memory is still 178.3MB. Free memory was 124.5MB in the beginning and 121.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,952 INFO L158 Benchmark]: RCFGBuilder took 1355.89ms. Allocated memory is still 178.3MB. Free memory was 121.7MB in the beginning and 142.5MB in the end (delta: -20.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,953 INFO L158 Benchmark]: CodeCheck took 640.98ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.4MB in the beginning and 159.0MB in the end (delta: -16.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,953 INFO L158 Benchmark]: Witness Printer took 136.49ms. Allocated memory is still 213.9MB. Free memory was 159.0MB in the beginning and 154.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:17:44,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 157 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int t3_pc = 0; [L398] int t4_pc = 0; [L399] int m_st ; [L400] int t1_st ; [L401] int t2_st ; [L402] int t3_st ; [L403] int t4_st ; [L404] int m_i ; [L405] int t1_i ; [L406] int t2_i ; [L407] int t3_i ; [L408] int t4_i ; [L409] int M_E = 2; [L410] int T1_E = 2; [L411] int T2_E = 2; [L412] int T3_E = 2; [L413] int T4_E = 2; [L414] int E_M = 2; [L415] int E_1 = 2; [L416] int E_2 = 2; [L417] int E_3 = 2; [L418] int E_4 = 2; [L425] int token ; [L427] int local ; [L1231] COND TRUE __VERIFIER_nondet_int() [L1232] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L331] COND TRUE 1 [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L255] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, tmp___1=1, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, tmp=0, tmp___1=1, token=0] [L275] CALL error1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L27] reach_error() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.38ms. Allocated memory is still 178.3MB. Free memory was 146.9MB in the beginning and 127.9MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.20ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.90ms. Allocated memory is still 178.3MB. Free memory was 124.5MB in the beginning and 121.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1355.89ms. Allocated memory is still 178.3MB. Free memory was 121.7MB in the beginning and 142.5MB in the end (delta: -20.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * CodeCheck took 640.98ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.4MB in the beginning and 159.0MB in the end (delta: -16.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 136.49ms. Allocated memory is still 213.9MB. Free memory was 159.0MB in the beginning and 154.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:17:44,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc7e852-12aa-475f-a125-8ad2b5d29ec0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE