./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- 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 [2022-12-14 06:17:16,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:17:16,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:17:16,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:17:16,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:17:16,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:17:16,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:17:16,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:17:16,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:17:16,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:17:16,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:17:16,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:17:16,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:17:16,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:17:16,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:17:16,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:17:16,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:17:16,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:17:16,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:17:16,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:17:16,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:17:16,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:17:16,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:17:16,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:17:16,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:17:16,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:17:16,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:17:16,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:17:16,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:17:16,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:17:16,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:17:16,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:17:16,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:17:16,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:17:16,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:17:16,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:17:16,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:17:16,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:17:16,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:17:16,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:17:16,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:17:16,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:17:16,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:17:16,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:17:16,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:17:16,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:17:16,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:17:16,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:17:16,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:17:16,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:17:16,742 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:17:16,742 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:17:16,742 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:17:16,742 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:17:16,742 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:17:16,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:17:16,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:17:16,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:17:16,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:17:16,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:17:16,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:17:16,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:17:16,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:17:16,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:17:16,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:17:16,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:17:16,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:17:16,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:17:16,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:17:16,746 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_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2022-12-14 06:17:16,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:17:16,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:17:16,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:17:16,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:17:16,959 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:17:16,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2022-12-14 06:17:19,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:17:19,758 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:17:19,759 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2022-12-14 06:17:19,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/data/533b3393d/66c762a137aa43f9916824c131bdaec1/FLAGb8084754d [2022-12-14 06:17:20,125 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/data/533b3393d/66c762a137aa43f9916824c131bdaec1 [2022-12-14 06:17:20,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:17:20,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:17:20,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:17:20,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:17:20,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:17:20,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72935683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20, skipping insertion in model container [2022-12-14 06:17:20,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:17:20,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:17:20,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:17:20,468 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:17:20,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:17:20,530 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:17:20,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20 WrapperNode [2022-12-14 06:17:20,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:17:20,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:17:20,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:17:20,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:17:20,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,562 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-12-14 06:17:20,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:17:20,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:17:20,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:17:20,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:17:20,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:17:20,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:17:20,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:17:20,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:17:20,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (1/1) ... [2022-12-14 06:17:20,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:17:20,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:17:20,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:17:20,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:17:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:17:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:17:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:17:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:17:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 06:17:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:17:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 06:17:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 06:17:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:17:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:17:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:17:20,649 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:17:20,747 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:17:20,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:17:20,891 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:17:20,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:17:20,898 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:17:20,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:17:20 BoogieIcfgContainer [2022-12-14 06:17:20,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:17:20,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:17:20,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:17:20,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:17:20,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:17:20" (1/3) ... [2022-12-14 06:17:20,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7e2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:17:20, skipping insertion in model container [2022-12-14 06:17:20,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:17:20" (2/3) ... [2022-12-14 06:17:20,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7e2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:17:20, skipping insertion in model container [2022-12-14 06:17:20,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:17:20" (3/3) ... [2022-12-14 06:17:20,910 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2022-12-14 06:17:20,919 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:17:20,929 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:17:20,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-14 06:17:20,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:17:20,968 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 06:17:21,008 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:17:21,021 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 94 transitions, 196 flow [2022-12-14 06:17:21,023 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 94 transitions, 196 flow [2022-12-14 06:17:21,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 196 flow [2022-12-14 06:17:21,057 INFO L130 PetriNetUnfolder]: 0/93 cut-off events. [2022-12-14 06:17:21,057 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 06:17:21,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-14 06:17:21,061 INFO L119 LiptonReduction]: Number of co-enabled transitions 960 [2022-12-14 06:17:23,017 INFO L134 LiptonReduction]: Checked pairs total: 5039 [2022-12-14 06:17:23,018 INFO L136 LiptonReduction]: Total number of compositions: 82 [2022-12-14 06:17:23,024 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 25 transitions, 58 flow [2022-12-14 06:17:23,038 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:17:23,056 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f0431ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:17:23,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 06:17:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 06:17:23,061 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:17:23,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 06:17:23,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 06:17:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:17:23,065 INFO L85 PathProgramCache]: Analyzing trace with hash 307436, now seen corresponding path program 1 times [2022-12-14 06:17:23,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:17:23,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232193599] [2022-12-14 06:17:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:17:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:17:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:17:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:17:23,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:17:23,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232193599] [2022-12-14 06:17:23,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232193599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:17:23,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:17:23,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:17:23,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403020904] [2022-12-14 06:17:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:17:23,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:17:23,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:17:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:17:23,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:17:23,201 INFO L87 Difference]: Start difference. First operand has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:17:23,228 INFO L93 Difference]: Finished difference Result 96 states and 170 transitions. [2022-12-14 06:17:23,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:17:23,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 06:17:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:17:23,236 INFO L225 Difference]: With dead ends: 96 [2022-12-14 06:17:23,236 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 06:17:23,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:17:23,239 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:17:23,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:17:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 06:17:23,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-12-14 06:17:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 87 states have (on average 1.8620689655172413) internal successors, (162), 91 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 162 transitions. [2022-12-14 06:17:23,265 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 162 transitions. Word has length 3 [2022-12-14 06:17:23,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:17:23,265 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 162 transitions. [2022-12-14 06:17:23,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2022-12-14 06:17:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 06:17:23,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:17:23,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 06:17:23,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:17:23,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 06:17:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:17:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 295420497, now seen corresponding path program 1 times [2022-12-14 06:17:23,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:17:23,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573275589] [2022-12-14 06:17:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:17:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:17:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:17:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:17:23,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:17:23,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573275589] [2022-12-14 06:17:23,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573275589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:17:23,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:17:23,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:17:23,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168087228] [2022-12-14 06:17:23,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:17:23,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:17:23,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:17:23,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:17:23,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,319 INFO L87 Difference]: Start difference. First operand 92 states and 162 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:17:23,350 INFO L93 Difference]: Finished difference Result 110 states and 186 transitions. [2022-12-14 06:17:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:17:23,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 06:17:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:17:23,351 INFO L225 Difference]: With dead ends: 110 [2022-12-14 06:17:23,352 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 06:17:23,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,353 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:17:23,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:17:23,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 06:17:23,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 78. [2022-12-14 06:17:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.7808219178082192) internal successors, (130), 77 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 130 transitions. [2022-12-14 06:17:23,359 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 130 transitions. Word has length 5 [2022-12-14 06:17:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:17:23,359 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 130 transitions. [2022-12-14 06:17:23,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2022-12-14 06:17:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:17:23,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:17:23,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:17:23,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:17:23,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 06:17:23,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:17:23,360 INFO L85 PathProgramCache]: Analyzing trace with hash 406014033, now seen corresponding path program 1 times [2022-12-14 06:17:23,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:17:23,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916594106] [2022-12-14 06:17:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:17:23,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:17:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:17:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:17:23,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:17:23,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916594106] [2022-12-14 06:17:23,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916594106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:17:23,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:17:23,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:17:23,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408571886] [2022-12-14 06:17:23,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:17:23,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:17:23,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:17:23,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:17:23,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,403 INFO L87 Difference]: Start difference. First operand 78 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:17:23,433 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2022-12-14 06:17:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:17:23,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 06:17:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:17:23,434 INFO L225 Difference]: With dead ends: 78 [2022-12-14 06:17:23,434 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 06:17:23,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,436 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:17:23,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:17:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 06:17:23,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-14 06:17:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 60 states have (on average 1.6) internal successors, (96), 62 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 96 transitions. [2022-12-14 06:17:23,441 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 96 transitions. Word has length 7 [2022-12-14 06:17:23,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:17:23,441 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 96 transitions. [2022-12-14 06:17:23,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2022-12-14 06:17:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 06:17:23,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:17:23,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:17:23,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:17:23,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 06:17:23,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:17:23,442 INFO L85 PathProgramCache]: Analyzing trace with hash -662477141, now seen corresponding path program 1 times [2022-12-14 06:17:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:17:23,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300804981] [2022-12-14 06:17:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:17:23,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:17:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:17:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:17:23,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:17:23,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300804981] [2022-12-14 06:17:23,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300804981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:17:23,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:17:23,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:17:23,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753481024] [2022-12-14 06:17:23,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:17:23,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:17:23,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:17:23,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:17:23,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,536 INFO L87 Difference]: Start difference. First operand 63 states and 96 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:17:23,551 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-12-14 06:17:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:17:23,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 06:17:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:17:23,552 INFO L225 Difference]: With dead ends: 17 [2022-12-14 06:17:23,552 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:17:23,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:17:23,553 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:17:23,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:17:23,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:17:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:17:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:17:23,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2022-12-14 06:17:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:17:23,555 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:17:23,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:17:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:17:23,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:17:23,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-14 06:17:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-14 06:17:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-14 06:17:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-14 06:17:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-14 06:17:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-14 06:17:23,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-14 06:17:23,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-14 06:17:23,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:17:23,562 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 06:17:23,567 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:17:23,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:17:23,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:17:23 BasicIcfg [2022-12-14 06:17:23,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:17:23,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:17:23,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:17:23,571 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:17:23,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:17:20" (3/4) ... [2022-12-14 06:17:23,574 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:17:23,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-14 06:17:23,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 06:17:23,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 06:17:23,585 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 06:17:23,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:17:23,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:17:23,616 INFO L158 Benchmark]: Toolchain (without parser) took 3486.91ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 104.3MB in the beginning and 125.8MB in the end (delta: -21.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,616 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:17:23,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.82ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 77.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.83ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,617 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,618 INFO L158 Benchmark]: RCFGBuilder took 320.02ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 58.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,618 INFO L158 Benchmark]: TraceAbstraction took 2665.90ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 127.9MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:17:23,618 INFO L158 Benchmark]: Witness Printer took 45.31ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:17:23,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.82ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 77.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.83ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.02ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 58.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2665.90ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 127.9MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.31ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 125.8MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 98 PlacesBefore, 29 PlacesAfterwards, 94 TransitionsBefore, 25 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 12 FixpointIterations, 42 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 82 TotalNumberOfCompositions, 5039 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2272, independent: 1857, independent conditional: 0, independent unconditional: 1857, dependent: 415, dependent conditional: 0, dependent unconditional: 415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 745, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 745, independent: 650, independent conditional: 0, independent unconditional: 650, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2272, independent: 1159, independent conditional: 0, independent unconditional: 1159, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 745, unknown conditional: 0, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 112 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 25 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 06:17:23,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f845a78-6c9b-4495-bb3d-50eef11f4dca/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE