./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- 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-b5237d8 [2022-11-22 01:25:47,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:25:47,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:25:47,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:25:47,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:25:47,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:25:47,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:25:47,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:25:47,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:25:47,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:25:47,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:25:47,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:25:47,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:25:47,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:25:47,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:25:47,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:25:47,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:25:47,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:25:47,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:25:47,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:25:47,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:25:47,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:25:47,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:25:47,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:25:47,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:25:47,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:25:47,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:25:47,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:25:47,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:25:47,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:25:47,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:25:47,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:25:47,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:25:47,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:25:47,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:25:47,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:25:47,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:25:47,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:25:47,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:25:47,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:25:47,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:25:47,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:25:47,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:25:47,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:25:47,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:25:47,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:25:47,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:25:47,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:25:47,531 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:25:47,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:25:47,532 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:25:47,532 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:25:47,533 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:25:47,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:25:47,534 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:25:47,534 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:25:47,535 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:25:47,535 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:25:47,535 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:25:47,535 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:25:47,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:25:47,537 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:25:47,537 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:25:47,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:25:47,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:25:47,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:25:47,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:25:47,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:25:47,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:25:47,539 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:25:47,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:25:47,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:25:47,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:25:47,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:25:47,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:25:47,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:25:47,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:47,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:25:47,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:25:47,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:25:47,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:25:47,543 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:25:47,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:25:47,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:25:47,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:25:47,545 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_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2022-11-22 01:25:47,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:25:47,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:25:47,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:25:47,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:25:47,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:25:47,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-22 01:25:50,863 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:25:51,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:25:51,095 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-22 01:25:51,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/data/3eb53730e/4f459168f270407d9a897b8f122dac43/FLAG23ee5a8c4 [2022-11-22 01:25:51,124 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/data/3eb53730e/4f459168f270407d9a897b8f122dac43 [2022-11-22 01:25:51,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:25:51,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:25:51,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:51,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:25:51,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:25:51,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a3ce21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51, skipping insertion in model container [2022-11-22 01:25:51,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:25:51,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:25:51,383 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:25:51,542 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_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-22 01:25:51,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:51,558 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:25:51,574 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:25:51,597 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_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-22 01:25:51,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:51,632 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:25:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51 WrapperNode [2022-11-22 01:25:51,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:51,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:51,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:25:51,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:25:51,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,681 INFO L138 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 78 [2022-11-22 01:25:51,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:51,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:25:51,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:25:51,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:25:51,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,714 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:25:51,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:25:51,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:25:51,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:25:51,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (1/1) ... [2022-11-22 01:25:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:25:51,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:25:51,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:25:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-22 01:25:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-22 01:25:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:25:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 01:25:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:25:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:25:51,803 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:25:51,984 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:25:51,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:25:52,229 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:25:52,330 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:25:52,332 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:25:52,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:52 BoogieIcfgContainer [2022-11-22 01:25:52,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:25:52,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:25:52,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:25:52,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:25:52,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:25:51" (1/3) ... [2022-11-22 01:25:52,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413423c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:52, skipping insertion in model container [2022-11-22 01:25:52,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:51" (2/3) ... [2022-11-22 01:25:52,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413423c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:25:52, skipping insertion in model container [2022-11-22 01:25:52,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:52" (3/3) ... [2022-11-22 01:25:52,351 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2022-11-22 01:25:52,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:25:52,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:25:52,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 01:25:52,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413423c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:25:52, skipping insertion in model container [2022-11-22 01:25:52,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:25:52,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:25:52,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:25:52,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:25:52,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:25:52" (3/3) ... [2022-11-22 01:25:52,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:25:52,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-22 01:25:52,404 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-22 01:25:52,405 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 01:25:52,405 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:25:52,406 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:25:52,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:25:52,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:25:52,436 INFO L158 Benchmark]: Toolchain (without parser) took 1307.22ms. Allocated memory is still 176.2MB. Free memory was 129.2MB in the beginning and 83.7MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,437 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 176.2MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:25:52,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.94ms. Allocated memory is still 176.2MB. Free memory was 129.2MB in the beginning and 109.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.84ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,439 INFO L158 Benchmark]: Boogie Preprocessor took 35.84ms. Allocated memory is still 176.2MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,439 INFO L158 Benchmark]: RCFGBuilder took 617.91ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 88.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,440 INFO L158 Benchmark]: TraceAbstraction took 40.25ms. Allocated memory is still 176.2MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,441 INFO L158 Benchmark]: Witness Printer took 53.84ms. Allocated memory is still 176.2MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:25:52,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 176.2MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.94ms. Allocated memory is still 176.2MB. Free memory was 129.2MB in the beginning and 109.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.84ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.84ms. Allocated memory is still 176.2MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.91ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 88.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40.25ms. Allocated memory is still 176.2MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 53.84ms. Allocated memory is still 176.2MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). 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! [2022-11-22 01:25:52,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa5da2d-a1cb-4c92-adfa-88cde2f15f93/bin/utaipan-g80aRyZoba/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