./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/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_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba --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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- 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 00:17:43,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:17:43,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:17:43,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:17:43,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:17:43,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:17:43,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:17:43,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:17:43,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:17:43,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:17:43,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:17:43,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:17:43,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:17:43,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:17:43,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:17:43,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:17:43,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:17:43,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:17:43,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:17:43,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:17:43,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:17:43,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:17:43,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:17:43,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:17:43,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:17:43,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:17:43,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:17:43,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:17:43,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:17:43,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:17:43,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:17:43,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:17:43,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:17:43,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:17:43,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:17:43,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:17:43,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:17:43,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:17:43,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:17:43,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:17:43,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:17:43,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 00:17:43,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:17:43,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:17:43,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:17:43,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:17:43,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:17:43,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:17:43,828 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:17:43,829 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:17:43,829 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:17:43,829 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:17:43,829 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:17:43,829 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:17:43,829 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:17:43,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:17:43,830 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:17:43,830 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:17:43,830 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:17:43,830 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:17:43,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:17:43,835 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:17:43,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:17:43,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:17:43,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:17:43,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:17:43,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:17:43,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:17:43,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:17:43,836 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 00:17:43,837 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:17:43,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:17:43,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:17:43,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:17:43,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:17:43,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:17:43,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:17:43,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:17:43,840 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:17:43,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:17:43,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:17:43,841 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:17:43,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:17:43,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:17:43,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:17:43,841 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_72b24754-7f66-4874-8ce2-d03f45f40e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2022-11-22 00:17:44,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:17:44,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:17:44,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:17:44,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:17:44,193 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:17:44,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-11-22 00:17:47,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:17:47,620 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:17:47,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-11-22 00:17:47,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/data/6ac21cb81/0664d47c4344426ea8027a935f12fcf0/FLAG31acca395 [2022-11-22 00:17:47,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/data/6ac21cb81/0664d47c4344426ea8027a935f12fcf0 [2022-11-22 00:17:47,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:17:47,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:17:47,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:17:47,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:17:47,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:17:47,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:17:47" (1/1) ... [2022-11-22 00:17:47,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7073df5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:47, skipping insertion in model container [2022-11-22 00:17:47,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:17:47" (1/1) ... [2022-11-22 00:17:47,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:17:47,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:17:48,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:17:48,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:17:48,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:17:48,458 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:17:48,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48 WrapperNode [2022-11-22 00:17:48,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:17:48,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:17:48,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:17:48,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:17:48,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,524 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-11-22 00:17:48,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:17:48,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:17:48,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:17:48,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:17:48,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:17:48,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:17:48,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:17:48,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:17:48,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (1/1) ... [2022-11-22 00:17:48,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:17:48,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:17:48,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:17:48,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:17:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:17:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:17:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:17:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 00:17:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:17:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 00:17:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 00:17:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:17:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:17:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:17:48,637 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 00:17:48,763 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:17:48,765 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:17:48,923 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:17:48,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:17:48,930 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:17:48,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:17:48 BoogieIcfgContainer [2022-11-22 00:17:48,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:17:48,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:17:48,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:17:48,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:17:48,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:17:47" (1/3) ... [2022-11-22 00:17:48,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99cb2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:17:48, skipping insertion in model container [2022-11-22 00:17:48,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:17:48" (2/3) ... [2022-11-22 00:17:48,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99cb2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:17:48, skipping insertion in model container [2022-11-22 00:17:48,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:17:48" (3/3) ... [2022-11-22 00:17:48,960 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2022-11-22 00:17:48,968 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:17:48,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:17:48,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 00:17:48,977 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:17:49,033 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 00:17:49,071 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:17:49,085 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions, 121 flow [2022-11-22 00:17:49,088 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 58 transitions, 121 flow [2022-11-22 00:17:49,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 121 flow [2022-11-22 00:17:49,138 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-11-22 00:17:49,139 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 00:17:49,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-22 00:17:49,147 INFO L119 LiptonReduction]: Number of co-enabled transitions 646 [2022-11-22 00:17:50,827 INFO L134 LiptonReduction]: Checked pairs total: 1912 [2022-11-22 00:17:50,827 INFO L136 LiptonReduction]: Total number of compositions: 39 [2022-11-22 00:17:50,835 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 43 flow [2022-11-22 00:17:50,853 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-22 00:17:50,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:17:50,877 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;@6bc28eb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:17:50,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-22 00:17:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-22 00:17:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:17:50,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:50,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:17:50,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 00:17:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash 6211280, now seen corresponding path program 1 times [2022-11-22 00:17:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:50,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876748716] [2022-11-22 00:17:50,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:50,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:51,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:51,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876748716] [2022-11-22 00:17:51,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876748716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:51,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:51,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:17:51,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208480928] [2022-11-22 00:17:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:51,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:51,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:51,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:51,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:51,159 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-22 00:17:51,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:51,227 INFO L93 Difference]: Finished difference Result 95 states and 162 transitions. [2022-11-22 00:17:51,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:51,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-22 00:17:51,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:51,240 INFO L225 Difference]: With dead ends: 95 [2022-11-22 00:17:51,240 INFO L226 Difference]: Without dead ends: 95 [2022-11-22 00:17:51,241 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 [2022-11-22 00:17:51,244 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:51,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:17:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-22 00:17:51,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2022-11-22 00:17:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.8857142857142857) internal successors, (132), 76 states have internal predecessors, (132), 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) [2022-11-22 00:17:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-11-22 00:17:51,300 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 4 [2022-11-22 00:17:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:51,301 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-11-22 00:17:51,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-22 00:17:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-11-22 00:17:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:17:51,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:51,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:51,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:17:51,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 00:17:51,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1824089207, now seen corresponding path program 1 times [2022-11-22 00:17:51,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:51,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377254617] [2022-11-22 00:17:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:51,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:51,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:51,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377254617] [2022-11-22 00:17:51,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377254617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:51,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:51,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:17:51,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994099694] [2022-11-22 00:17:51,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:51,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:51,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:51,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:51,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:51,433 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 00:17:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:51,481 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2022-11-22 00:17:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:51,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-22 00:17:51,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:51,482 INFO L225 Difference]: With dead ends: 80 [2022-11-22 00:17:51,483 INFO L226 Difference]: Without dead ends: 74 [2022-11-22 00:17:51,483 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 [2022-11-22 00:17:51,484 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:51,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:17:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-22 00:17:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-22 00:17:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.8235294117647058) internal successors, (124), 73 states have internal predecessors, (124), 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) [2022-11-22 00:17:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2022-11-22 00:17:51,493 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 8 [2022-11-22 00:17:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:51,493 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2022-11-22 00:17:51,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 00:17:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2022-11-22 00:17:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:17:51,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:51,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:51,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:17:51,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 00:17:51,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:51,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2094534311, now seen corresponding path program 1 times [2022-11-22 00:17:51,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:51,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822678389] [2022-11-22 00:17:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:51,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:51,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822678389] [2022-11-22 00:17:51,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822678389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:51,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:51,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:17:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010512104] [2022-11-22 00:17:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:51,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:51,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:51,560 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 00:17:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:51,622 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2022-11-22 00:17:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-22 00:17:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:51,623 INFO L225 Difference]: With dead ends: 73 [2022-11-22 00:17:51,623 INFO L226 Difference]: Without dead ends: 67 [2022-11-22 00:17:51,624 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 [2022-11-22 00:17:51,625 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:51,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:17:51,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-22 00:17:51,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-22 00:17:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.619047619047619) internal successors, (102), 66 states have internal predecessors, (102), 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) [2022-11-22 00:17:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-11-22 00:17:51,632 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 8 [2022-11-22 00:17:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:51,633 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-11-22 00:17:51,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 00:17:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-11-22 00:17:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:17:51,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:51,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:51,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:17:51,635 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 00:17:51,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:51,635 INFO L85 PathProgramCache]: Analyzing trace with hash -712162655, now seen corresponding path program 1 times [2022-11-22 00:17:51,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:51,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862665985] [2022-11-22 00:17:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:51,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:17:51,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:17:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:17:51,680 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 00:17:51,680 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 00:17:51,681 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-22 00:17:51,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-22 00:17:51,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-22 00:17:51,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-22 00:17:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-22 00:17:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-22 00:17:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-22 00:17:51,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:17:51,688 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 00:17:51,694 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 00:17:51,694 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:17:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:17:51 BasicIcfg [2022-11-22 00:17:51,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:17:51,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:17:51,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:17:51,716 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:17:51,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:17:48" (3/4) ... [2022-11-22 00:17:51,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 00:17:51,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:17:51,721 INFO L158 Benchmark]: Toolchain (without parser) took 4058.76ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 103.5MB in the beginning and 167.2MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:17:51,721 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:17:51,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.16ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 96.1MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 00:17:51,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.45ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:17:51,722 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 144.7MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:17:51,722 INFO L158 Benchmark]: RCFGBuilder took 382.18ms. Allocated memory is still 144.7MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:17:51,723 INFO L158 Benchmark]: TraceAbstraction took 2767.19ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 80.2MB in the beginning and 167.2MB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:17:51,723 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 207.6MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:17:51,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.16ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 96.1MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.45ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 144.7MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.18ms. Allocated memory is still 144.7MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2767.19ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 80.2MB in the beginning and 167.2MB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 207.6MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 62 PlacesBefore, 23 PlacesAfterwards, 58 TransitionsBefore, 19 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 1912 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 930, independent: 776, independent conditional: 0, independent unconditional: 776, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 458, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 458, independent: 412, independent conditional: 0, independent unconditional: 412, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 930, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 458, unknown conditional: 0, unknown unconditional: 458] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 64, Positive conditional cache size: 0, Positive unconditional cache size: 64, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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 - DataRaceFoundResult [Line: 998]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L996] 0 pthread_t id; [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, id={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [998] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-22 00:17:51,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b24754-7f66-4874-8ce2-d03f45f40e68/bin/utaipan-g80aRyZoba/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE