./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-2329fc7 [2022-12-15 00:12:15,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:12:15,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:12:15,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:12:15,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:12:15,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:12:15,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:12:15,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:12:15,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:12:15,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:12:15,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:12:15,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:12:15,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:12:15,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:12:15,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:12:15,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:12:15,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:12:15,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:12:15,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:12:15,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:12:15,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:12:15,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:12:15,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:12:15,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:12:15,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:12:15,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:12:15,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:12:15,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:12:15,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:12:15,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:12:15,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:12:15,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:12:15,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:12:15,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:12:15,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:12:15,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:12:15,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:12:15,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:12:15,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:12:15,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:12:15,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:12:15,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 00:12:15,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:12:15,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:12:15,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:12:15,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:12:15,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:12:15,747 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:12:15,748 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:12:15,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:12:15,749 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:12:15,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:12:15,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:12:15,749 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:12:15,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:12:15,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:12:15,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:12:15,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:12:15,750 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:12:15,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:12:15,750 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_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-12-15 00:12:15,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:12:15,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:12:15,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:12:15,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:12:15,962 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:12:15,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-12-15 00:12:18,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:12:18,716 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:12:18,716 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-12-15 00:12:18,721 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/a1c243027/e002043e8b284d9eb674b4c5c964d62b/FLAG5bff676e6 [2022-12-15 00:12:19,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/a1c243027/e002043e8b284d9eb674b4c5c964d62b [2022-12-15 00:12:19,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:12:19,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:12:19,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:12:19,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:12:19,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:12:19,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fecee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19, skipping insertion in model container [2022-12-15 00:12:19,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:12:19,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:12:19,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,314 WARN L237 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_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-12-15 00:12:19,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:12:19,333 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:12:19,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:19,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:19,356 WARN L237 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_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-12-15 00:12:19,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:12:19,373 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:12:19,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19 WrapperNode [2022-12-15 00:12:19,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:12:19,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:12:19,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:12:19,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:12:19,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,418 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2022-12-15 00:12:19,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:12:19,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:12:19,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:12:19,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:12:19,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:12:19,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:12:19,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:12:19,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:12:19,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:19" (1/1) ... [2022-12-15 00:12:19,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:12:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:12:19,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:12:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:12:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:12:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 00:12:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 00:12:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 00:12:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:12:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:12:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:12:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:12:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:12:19,528 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:12:19,612 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:12:19,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:12:19,919 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:12:20,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:12:20,024 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 00:12:20,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:12:20 BoogieIcfgContainer [2022-12-15 00:12:20,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:12:20,027 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:12:20,027 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:12:20,035 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:12:20,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:12:20" (1/1) ... [2022-12-15 00:12:20,036 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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) [2022-12-15 00:12:20,039 INFO L158 Benchmark]: Toolchain (without parser) took 900.13ms. Allocated memory is still 172.0MB. Free memory was 135.4MB in the beginning and 110.2MB in the end (delta: 25.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,040 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:12:20,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.29ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 122.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.05ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,041 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,042 INFO L158 Benchmark]: RCFGBuilder took 572.94ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 111.4MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,042 INFO L158 Benchmark]: CodeCheck took 11.54ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 110.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:20,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.29ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 122.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.05ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.94ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 111.4MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11.54ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 110.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:12:20,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-2329fc7 [2022-12-15 00:12:21,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:12:21,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:12:21,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:12:21,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:12:21,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:12:21,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:12:21,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:12:21,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:12:21,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:12:21,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:12:21,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:12:21,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:12:21,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:12:21,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:12:21,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:12:21,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:12:21,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:12:21,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:12:21,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:12:21,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:12:21,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:12:21,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:12:21,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:12:21,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:12:21,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:12:21,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:12:21,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:12:21,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:12:21,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:12:21,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:12:21,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:12:21,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:12:21,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:12:21,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:12:21,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:12:21,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:12:21,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:12:21,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:12:21,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:12:21,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:12:21,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-15 00:12:21,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:12:21,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:12:21,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:12:21,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:12:21,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:12:21,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:12:21,967 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:12:21,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:12:21,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:12:21,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:12:21,968 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:12:21,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:12:21,968 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:12:21,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:12:21,968 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_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-12-15 00:12:22,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:12:22,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:12:22,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:12:22,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:12:22,197 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:12:22,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-12-15 00:12:24,736 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:12:24,930 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:12:24,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-12-15 00:12:24,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/4fbe3a362/bc166cbad6f74965b62923daac52e2a8/FLAGca2cc50bc [2022-12-15 00:12:24,952 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/data/4fbe3a362/bc166cbad6f74965b62923daac52e2a8 [2022-12-15 00:12:24,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:12:24,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:12:24,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:12:24,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:12:24,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:12:24,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:12:24" (1/1) ... [2022-12-15 00:12:24,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b262949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:24, skipping insertion in model container [2022-12-15 00:12:24,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:12:24" (1/1) ... [2022-12-15 00:12:24,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:12:24,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:12:25,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,155 WARN L237 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_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-12-15 00:12:25,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:12:25,177 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-15 00:12:25,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:12:25,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,197 WARN L237 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_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-12-15 00:12:25,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:12:25,206 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:12:25,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:12:25,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:12:25,229 WARN L237 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_554f9397-3822-4e28-841b-b1b59d00bc12/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-12-15 00:12:25,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:12:25,254 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:12:25,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25 WrapperNode [2022-12-15 00:12:25,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:12:25,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:12:25,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:12:25,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:12:25,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,299 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2022-12-15 00:12:25,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:12:25,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:12:25,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:12:25,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:12:25,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:12:25,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:12:25,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:12:25,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:12:25,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:12:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:12:25,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:12:25,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:12:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 00:12:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 00:12:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 00:12:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 00:12:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:12:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:12:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:12:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:12:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 00:12:25,394 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:12:25,482 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:12:25,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:12:25,906 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:12:25,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:12:25,995 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 00:12:25,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:12:25 BoogieIcfgContainer [2022-12-15 00:12:25,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:12:25,997 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:12:25,997 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:12:26,004 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:12:26,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:12:25" (1/1) ... [2022-12-15 00:12:26,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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) [2022-12-15 00:12:26,007 INFO L158 Benchmark]: Toolchain (without parser) took 1051.15ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.8MB in the beginning and 43.4MB in the end (delta: -1.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,007 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 20.5MB in the beginning and 20.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:12:26,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.95ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 43.8MB in the end (delta: -2.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.94ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 41.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,009 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,009 INFO L158 Benchmark]: RCFGBuilder took 664.19ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.7MB in the beginning and 44.5MB in the end (delta: -4.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,009 INFO L158 Benchmark]: CodeCheck took 9.02ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 43.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:12:26,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 20.5MB in the beginning and 20.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.95ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 43.8MB in the end (delta: -2.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.94ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 41.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.19ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.7MB in the beginning and 44.5MB in the end (delta: -4.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * CodeCheck took 9.02ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 43.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:12:26,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554f9397-3822-4e28-841b-b1b59d00bc12/bin/ukojak-rkRKPMF4O4/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported