./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.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_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/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_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/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_45defab1-5b14-4832-aba9-355d037b444d/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 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:37:36,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:37:36,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:37:36,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:37:36,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:37:36,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:37:36,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:37:36,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:37:36,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:37:36,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:37:36,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:37:36,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:37:36,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:37:36,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:37:36,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:37:36,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:37:36,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:37:36,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:37:36,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:37:36,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:37:36,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:37:36,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:37:36,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:37:36,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:37:36,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:37:36,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:37:36,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:37:36,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:37:36,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:37:36,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:37:36,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:37:36,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:37:36,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:37:36,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:37:36,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:37:36,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:37:36,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:37:36,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:37:36,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:37:36,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:37:36,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:37:36,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:37:36,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:37:36,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:37:36,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:37:36,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:37:36,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:37:36,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:37:36,686 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:37:36,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:37:36,686 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:37:36,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:37:36,688 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:37:36,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:37:36,688 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:37:36,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:37:36,688 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:37:36,689 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:37:36,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:37:36,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:37:36,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:37:36,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:37:36,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:37:36,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:37:36,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:37:36,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:37:36,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:37:36,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:37:36,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:37:36,692 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:37:36,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:37:36,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:37:36,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:37:36,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:37:36,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:37:36,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:37:36,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:37:36,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:37:36,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:37:36,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:37:36,696 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_45defab1-5b14-4832-aba9-355d037b444d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 [2022-11-22 01:37:37,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:37:37,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:37:37,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:37:37,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:37:37,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:37:37,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-11-22 01:37:40,510 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:37:40,849 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:37:40,850 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-11-22 01:37:40,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/data/65fd9e851/231fc60155534b71b7b37cc91b2e10a0/FLAG4ccab1416 [2022-11-22 01:37:40,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/data/65fd9e851/231fc60155534b71b7b37cc91b2e10a0 [2022-11-22 01:37:40,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:37:40,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:37:40,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:37:40,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:37:40,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:37:40,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:37:40" (1/1) ... [2022-11-22 01:37:40,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@992760e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:40, skipping insertion in model container [2022-11-22 01:37:40,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:37:40" (1/1) ... [2022-11-22 01:37:40,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:37:40,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:37:41,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:37:41,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:37:41,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:37:41,457 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:37:41,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41 WrapperNode [2022-11-22 01:37:41,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:37:41,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:37:41,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:37:41,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:37:41,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,506 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-22 01:37:41,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:37:41,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:37:41,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:37:41,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:37:41,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:37:41,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:37:41,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:37:41,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:37:41,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (1/1) ... [2022-11-22 01:37:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:37:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:37:41,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:37:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:37:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:37:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:37:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:37:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:37:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:37:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 01:37:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 01:37:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:37:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:37:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:37:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:37:41,647 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:37:41,847 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:37:41,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:37:42,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:37:42,175 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:37:42,175 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:37:42,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:37:42 BoogieIcfgContainer [2022-11-22 01:37:42,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:37:42,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:37:42,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:37:42,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:37:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:37:40" (1/3) ... [2022-11-22 01:37:42,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1397c307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:37:42, skipping insertion in model container [2022-11-22 01:37:42,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:37:41" (2/3) ... [2022-11-22 01:37:42,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1397c307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:37:42, skipping insertion in model container [2022-11-22 01:37:42,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:37:42" (3/3) ... [2022-11-22 01:37:42,190 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-11-22 01:37:42,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:37:42,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:37:42,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 01:37:42,214 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:37:42,290 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:37:42,329 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:37:42,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 179 flow [2022-11-22 01:37:42,351 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 179 flow [2022-11-22 01:37:42,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 179 flow [2022-11-22 01:37:42,422 INFO L130 PetriNetUnfolder]: 0/86 cut-off events. [2022-11-22 01:37:42,423 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 01:37:42,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 0/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-22 01:37:42,429 INFO L119 LiptonReduction]: Number of co-enabled transitions 1500 [2022-11-22 01:37:46,127 INFO L134 LiptonReduction]: Checked pairs total: 6723 [2022-11-22 01:37:46,127 INFO L136 LiptonReduction]: Total number of compositions: 56 [2022-11-22 01:37:46,137 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-11-22 01:37:46,181 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 01:37:46,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:37:46,216 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;@4f4fd62b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:37:46,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-22 01:37:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 01:37:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:37:46,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:46,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:46,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 01:37:46,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1979095910, now seen corresponding path program 1 times [2022-11-22 01:37:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:46,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164238815] [2022-11-22 01:37:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:46,979 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 01:37:46,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:46,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164238815] [2022-11-22 01:37:46,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164238815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:46,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:46,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:37:46,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829362626] [2022-11-22 01:37:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:46,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:37:46,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:47,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:37:47,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:47,027 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 01:37:47,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:47,533 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2022-11-22 01:37:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:37:47,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 01:37:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:47,561 INFO L225 Difference]: With dead ends: 383 [2022-11-22 01:37:47,561 INFO L226 Difference]: Without dead ends: 383 [2022-11-22 01:37:47,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:47,566 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:47,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 12 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:37:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-11-22 01:37:47,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2022-11-22 01:37:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 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 01:37:47,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2022-11-22 01:37:47,634 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2022-11-22 01:37:47,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:47,635 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2022-11-22 01:37:47,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 01:37:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2022-11-22 01:37:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:37:47,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:47,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:47,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:37:47,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 01:37:47,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1150727071, now seen corresponding path program 1 times [2022-11-22 01:37:47,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:47,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604874458] [2022-11-22 01:37:47,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:48,010 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 01:37:48,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:48,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604874458] [2022-11-22 01:37:48,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604874458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:48,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:48,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:37:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365577708] [2022-11-22 01:37:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:48,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:37:48,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:48,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:37:48,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:48,023 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 01:37:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:48,321 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2022-11-22 01:37:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:37:48,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-11-22 01:37:48,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:48,324 INFO L225 Difference]: With dead ends: 377 [2022-11-22 01:37:48,324 INFO L226 Difference]: Without dead ends: 362 [2022-11-22 01:37:48,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:48,326 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:48,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 16 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:37:48,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-22 01:37:48,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2022-11-22 01:37:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 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 01:37:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2022-11-22 01:37:48,347 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2022-11-22 01:37:48,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:48,347 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2022-11-22 01:37:48,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 01:37:48,348 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2022-11-22 01:37:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:37:48,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:48,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:48,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:37:48,349 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 01:37:48,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:48,350 INFO L85 PathProgramCache]: Analyzing trace with hash -426811, now seen corresponding path program 1 times [2022-11-22 01:37:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:48,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984888408] [2022-11-22 01:37:48,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:48,617 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 01:37:48,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:48,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984888408] [2022-11-22 01:37:48,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984888408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:48,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:48,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:37:48,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923911302] [2022-11-22 01:37:48,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:48,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:37:48,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:48,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:37:48,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:48,623 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 01:37:48,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:48,884 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2022-11-22 01:37:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:37:48,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-11-22 01:37:48,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:48,886 INFO L225 Difference]: With dead ends: 397 [2022-11-22 01:37:48,886 INFO L226 Difference]: Without dead ends: 382 [2022-11-22 01:37:48,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:37:48,887 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:48,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:37:48,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-11-22 01:37:48,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2022-11-22 01:37:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 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 01:37:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2022-11-22 01:37:48,902 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2022-11-22 01:37:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:48,902 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2022-11-22 01:37:48,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 01:37:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2022-11-22 01:37:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:37:48,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:48,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:48,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:37:48,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-22 01:37:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2041980003, now seen corresponding path program 1 times [2022-11-22 01:37:48,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:48,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909777995] [2022-11-22 01:37:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:37:48,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:37:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:37:48,993 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:37:48,993 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:37:48,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-22 01:37:48,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-22 01:37:49,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-22 01:37:49,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-22 01:37:49,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-22 01:37:49,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-22 01:37:49,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-22 01:37:49,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:37:49,010 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 01:37:49,017 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:37:49,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:37:49,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:37:49 BasicIcfg [2022-11-22 01:37:49,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:37:49,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:37:49,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:37:49,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:37:49,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:37:42" (3/4) ... [2022-11-22 01:37:49,080 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:37:49,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:37:49,087 INFO L158 Benchmark]: Toolchain (without parser) took 8180.99ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 130.4MB in the beginning and 167.9MB in the end (delta: -37.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-22 01:37:49,087 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 178.3MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:37:49,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.50ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 111.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:37:49,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.51ms. Allocated memory is still 178.3MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:37:49,089 INFO L158 Benchmark]: Boogie Preprocessor took 34.69ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 108.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:37:49,091 INFO L158 Benchmark]: RCFGBuilder took 635.20ms. Allocated memory is still 178.3MB. Free memory was 108.0MB in the beginning and 92.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:37:49,091 INFO L158 Benchmark]: TraceAbstraction took 6892.34ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 92.5MB in the beginning and 168.9MB in the end (delta: -76.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:37:49,092 INFO L158 Benchmark]: Witness Printer took 6.67ms. Allocated memory is still 245.4MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:37:49,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 178.3MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.50ms. Allocated memory is still 178.3MB. Free memory was 130.4MB in the beginning and 111.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.51ms. Allocated memory is still 178.3MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.69ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 108.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.20ms. Allocated memory is still 178.3MB. Free memory was 108.0MB in the beginning and 92.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6892.34ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 92.5MB in the beginning and 168.9MB in the end (delta: -76.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.67ms. Allocated memory is still 245.4MB. Free memory is still 167.9MB. 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: 3.8s, 91 PlacesBefore, 35 PlacesAfterwards, 87 TransitionsBefore, 31 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 56 TotalNumberOfCompositions, 6723 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2313, independent: 1952, independent conditional: 0, independent unconditional: 1952, dependent: 361, dependent conditional: 0, dependent unconditional: 361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1022, independent: 914, independent conditional: 0, independent unconditional: 914, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1022, independent: 813, independent conditional: 0, independent unconditional: 813, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 209, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 616, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2313, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 1022, unknown conditional: 0, unknown unconditional: 1022] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 155, Positive conditional cache size: 0, Positive unconditional cache size: 155, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; [L690] 0 pthread_t id; [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=49, data.x++=0, id={5:0}, m={2:0}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=1, data.x++=0, data.x++=49, id={5:0}, m={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [693] * C: data.x++ [683] * C: data.x++ [693] * C: data.x++ [693] * C: data.x++ [693] and C: data.x++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 751 IncrementalHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 44 mSDtfsCounter, 751 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 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 01:37:49,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45defab1-5b14-4832-aba9-355d037b444d/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