./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- 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-e04fb08 [2022-11-16 11:17:16,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:17:16,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:17:16,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:17:16,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:17:16,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:17:16,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:17:16,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:17:16,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:17:16,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:17:16,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:17:16,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:17:16,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:17:16,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:17:16,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:17:16,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:17:16,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:17:16,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:17:16,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:17:16,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:17:16,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:17:16,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:17:16,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:17:16,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:17:16,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:17:16,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:17:16,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:17:16,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:17:16,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:17:16,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:17:16,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:17:16,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:17:16,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:17:16,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:17:16,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:17:16,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:17:16,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:17:16,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:17:16,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:17:16,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:17:16,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:17:16,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:17:16,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:17:16,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:17:16,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:17:16,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:17:16,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:17:16,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:17:16,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:17:16,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:17:16,443 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:17:16,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:17:16,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:17:16,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:17:16,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:17:16,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:17:16,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:17:16,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:17:16,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:17:16,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:17:16,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:17:16,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:17:16,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:17:16,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:17:16,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:17:16,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:17:16,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:17:16,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:17:16,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:17:16,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:17:16,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:17:16,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:17:16,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:17:16,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:17:16,450 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:17:16,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:17:16,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:17:16,451 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_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2022-11-16 11:17:16,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:17:16,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:17:16,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:17:16,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:17:16,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:17:16,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-16 11:17:16,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/data/e7f4f0364/769dbb3f61344f718da83237a829c602/FLAGc26e02b20 [2022-11-16 11:17:17,320 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:17:17,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-16 11:17:17,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/data/e7f4f0364/769dbb3f61344f718da83237a829c602/FLAGc26e02b20 [2022-11-16 11:17:17,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/data/e7f4f0364/769dbb3f61344f718da83237a829c602 [2022-11-16 11:17:17,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:17:17,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:17:17,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:17:17,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:17:17,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:17:17,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:17:17" (1/1) ... [2022-11-16 11:17:17,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a5c61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:17, skipping insertion in model container [2022-11-16 11:17:17,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:17:17" (1/1) ... [2022-11-16 11:17:17,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:17:17,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:17:17,983 WARN L229 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_22870512-3098-4747-97fc-5c6fcbdecb39/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-16 11:17:17,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:17:17,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:17:18,021 WARN L229 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_22870512-3098-4747-97fc-5c6fcbdecb39/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-16 11:17:18,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:17:18,035 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:17:18,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18 WrapperNode [2022-11-16 11:17:18,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:17:18,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:17:18,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:17:18,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:17:18,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,081 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2022-11-16 11:17:18,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:17:18,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:17:18,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:17:18,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:17:18,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:17:18,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:17:18,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:17:18,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:17:18,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (1/1) ... [2022-11-16 11:17:18,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:17:18,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:17:18,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:17:18,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:17:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:17:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:17:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:17:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:17:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:17:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:17:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:17:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:17:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:17:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:17:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:17:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:17:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:17:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:17:18,189 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:17:18,314 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:17:18,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:17:18,495 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:17:18,570 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:17:18,570 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:17:18,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:18 BoogieIcfgContainer [2022-11-16 11:17:18,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:17:18,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:17:18,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:17:18,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:17:18,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:17:17" (1/3) ... [2022-11-16 11:17:18,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffd7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:18, skipping insertion in model container [2022-11-16 11:17:18,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:18" (2/3) ... [2022-11-16 11:17:18,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffd7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:18, skipping insertion in model container [2022-11-16 11:17:18,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:18" (3/3) ... [2022-11-16 11:17:18,591 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-16 11:17:18,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:17:18,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:17:18,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 11:17:18,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffd7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:17:18, skipping insertion in model container [2022-11-16 11:17:18,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:17:18,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:17:18,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:17:18,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:17:18,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:18" (3/3) ... [2022-11-16 11:17:18,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:17:18,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:17:18,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:17:18,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 11:17:18,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:17:18,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:17:18,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:17:18,673 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:17:18,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:17:18,675 INFO L158 Benchmark]: Toolchain (without parser) took 973.10ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 74.4MB in the end (delta: 12.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,676 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:17:18,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.72ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 96.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.58ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,677 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:17:18,678 INFO L158 Benchmark]: RCFGBuilder took 468.08ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 79.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,689 INFO L158 Benchmark]: TraceAbstraction took 45.67ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,689 INFO L158 Benchmark]: Witness Printer took 53.23ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 74.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:17:18,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.72ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 96.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.58ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.08ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 79.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 45.67ms. Allocated memory is still 123.7MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 53.23ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 74.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-16 11:17:18,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22870512-3098-4747-97fc-5c6fcbdecb39/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE