./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 2329fc70 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_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/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_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 04:45:28,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:45:28,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:45:28,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:45:28,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:45:28,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:45:28,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:45:28,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:45:28,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:45:28,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:45:28,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:45:28,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:45:28,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:45:28,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:45:28,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:45:28,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:45:28,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:45:28,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:45:28,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:45:28,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:45:28,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:45:28,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:45:28,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:45:28,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:45:28,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:45:28,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:45:28,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:45:28,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:45:28,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:45:28,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:45:28,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:45:28,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:45:28,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:45:28,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:45:28,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:45:28,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:45:28,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:45:28,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:45:28,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:45:28,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:45:28,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:45:28,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 04:45:28,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:45:28,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:45:28,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:45:28,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:45:28,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:45:28,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:45:28,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:45:28,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:45:28,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:45:28,391 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:45:28,391 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:45:28,391 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:45:28,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:45:28,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:45:28,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:45:28,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:45:28,394 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 04:45:28,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:45:28,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:45:28,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:45:28,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:45:28,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:45:28,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:45:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:45:28,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:45:28,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:45:28,396 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_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 [2022-12-14 04:45:28,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:45:28,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:45:28,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:45:28,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:45:28,631 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:45:28,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-12-14 04:45:31,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:45:31,297 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:45:31,297 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-12-14 04:45:31,307 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/data/f0c86539f/cf406f0701d3428c9fa4b77e610af328/FLAGa07f01bc9 [2022-12-14 04:45:31,317 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/data/f0c86539f/cf406f0701d3428c9fa4b77e610af328 [2022-12-14 04:45:31,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:45:31,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:45:31,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:45:31,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:45:31,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:45:31,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9cddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31, skipping insertion in model container [2022-12-14 04:45:31,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:45:31,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:45:31,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:45:31,628 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:45:31,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:45:31,702 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:45:31,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31 WrapperNode [2022-12-14 04:45:31,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:45:31,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:45:31,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:45:31,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:45:31,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,742 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-14 04:45:31,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:45:31,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:45:31,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:45:31,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:45:31,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:45:31,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:45:31,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:45:31,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:45:31,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (1/1) ... [2022-12-14 04:45:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:45:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:45:31,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:45:31,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:45:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:45:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:45:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 04:45:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:45:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:45:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 04:45:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 04:45:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:45:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:45:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:45:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:45:31,836 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 04:45:31,926 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:45:31,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:45:32,102 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:45:32,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:45:32,110 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:45:32,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:45:32 BoogieIcfgContainer [2022-12-14 04:45:32,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:45:32,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:45:32,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:45:32,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:45:32,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:45:31" (1/3) ... [2022-12-14 04:45:32,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9e306c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:45:32, skipping insertion in model container [2022-12-14 04:45:32,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:45:31" (2/3) ... [2022-12-14 04:45:32,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9e306c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:45:32, skipping insertion in model container [2022-12-14 04:45:32,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:45:32" (3/3) ... [2022-12-14 04:45:32,121 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-12-14 04:45:32,130 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 04:45:32,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:45:32,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 04:45:32,140 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 04:45:32,191 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 04:45:32,214 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 04:45:32,224 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 179 flow [2022-12-14 04:45:32,226 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 179 flow [2022-12-14 04:45:32,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 179 flow [2022-12-14 04:45:32,262 INFO L130 PetriNetUnfolder]: 0/86 cut-off events. [2022-12-14 04:45:32,262 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 04:45:32,265 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. [2022-12-14 04:45:32,267 INFO L119 LiptonReduction]: Number of co-enabled transitions 1500 [2022-12-14 04:45:34,460 INFO L134 LiptonReduction]: Checked pairs total: 6730 [2022-12-14 04:45:34,460 INFO L136 LiptonReduction]: Total number of compositions: 56 [2022-12-14 04:45:34,465 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-12-14 04:45:34,491 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) [2022-12-14 04:45:34,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:45:34,511 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;@2a59995, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:45:34,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 04:45:34,514 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) [2022-12-14 04:45:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 04:45:34,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:34,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:34,518 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)] === [2022-12-14 04:45:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1979036326, now seen corresponding path program 1 times [2022-12-14 04:45:34,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:45:34,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114150039] [2022-12-14 04:45:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:45:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:45:34,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:45:34,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114150039] [2022-12-14 04:45:34,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114150039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:34,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:34,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:45:34,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438325154] [2022-12-14 04:45:34,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:34,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:45:34,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:45:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:45:35,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:45:35,019 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) [2022-12-14 04:45:35,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:35,249 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2022-12-14 04:45:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:45:35,251 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 [2022-12-14 04:45:35,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:35,259 INFO L225 Difference]: With dead ends: 383 [2022-12-14 04:45:35,259 INFO L226 Difference]: Without dead ends: 383 [2022-12-14 04:45:35,260 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 [2022-12-14 04:45:35,262 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:35,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 12 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:45:35,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-12-14 04:45:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2022-12-14 04:45:35,298 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) [2022-12-14 04:45:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2022-12-14 04:45:35,301 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2022-12-14 04:45:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:35,301 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2022-12-14 04:45:35,301 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) [2022-12-14 04:45:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2022-12-14 04:45:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:45:35,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:35,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:35,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:45:35,303 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)] === [2022-12-14 04:45:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1762230082, now seen corresponding path program 1 times [2022-12-14 04:45:35,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:45:35,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090172723] [2022-12-14 04:45:35,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:45:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:45:35,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:45:35,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090172723] [2022-12-14 04:45:35,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090172723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:35,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:35,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:45:35,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520221501] [2022-12-14 04:45:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:45:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:45:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:45:35,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:45:35,517 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) [2022-12-14 04:45:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:35,705 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2022-12-14 04:45:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:45:35,706 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 [2022-12-14 04:45:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:35,708 INFO L225 Difference]: With dead ends: 377 [2022-12-14 04:45:35,708 INFO L226 Difference]: Without dead ends: 362 [2022-12-14 04:45:35,708 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 [2022-12-14 04:45:35,709 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:35,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 16 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:45:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-12-14 04:45:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2022-12-14 04:45:35,726 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) [2022-12-14 04:45:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2022-12-14 04:45:35,728 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2022-12-14 04:45:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:35,728 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2022-12-14 04:45:35,728 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) [2022-12-14 04:45:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2022-12-14 04:45:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:45:35,729 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:35,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:35,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:45:35,730 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)] === [2022-12-14 04:45:35,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash -387674968, now seen corresponding path program 1 times [2022-12-14 04:45:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:45:35,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397926327] [2022-12-14 04:45:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:45:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:45:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:45:35,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:45:35,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397926327] [2022-12-14 04:45:35,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397926327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:45:35,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:45:35,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:45:35,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648403833] [2022-12-14 04:45:35,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:45:35,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:45:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:45:35,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:45:35,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:45:35,908 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) [2022-12-14 04:45:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:45:36,085 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2022-12-14 04:45:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:45:36,086 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 [2022-12-14 04:45:36,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:45:36,089 INFO L225 Difference]: With dead ends: 397 [2022-12-14 04:45:36,089 INFO L226 Difference]: Without dead ends: 382 [2022-12-14 04:45:36,089 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 [2022-12-14 04:45:36,090 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:45:36,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:45:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-12-14 04:45:36,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2022-12-14 04:45:36,098 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) [2022-12-14 04:45:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2022-12-14 04:45:36,099 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2022-12-14 04:45:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:45:36,099 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2022-12-14 04:45:36,100 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) [2022-12-14 04:45:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2022-12-14 04:45:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 04:45:36,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:45:36,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:45:36,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:45:36,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 04:45:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:45:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash -432533678, now seen corresponding path program 1 times [2022-12-14 04:45:36,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:45:36,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456601408] [2022-12-14 04:45:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:45:36,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:45:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:45:36,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 04:45:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:45:36,144 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 04:45:36,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 04:45:36,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 04:45:36,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 04:45:36,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-12-14 04:45:36,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-14 04:45:36,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 04:45:36,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 04:45:36,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 04:45:36,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:45:36,150 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 04:45:36,156 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 04:45:36,157 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:45:36,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:45:36 BasicIcfg [2022-12-14 04:45:36,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:45:36,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:45:36,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:45:36,180 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:45:36,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:45:32" (3/4) ... [2022-12-14 04:45:36,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 04:45:36,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:45:36,184 INFO L158 Benchmark]: Toolchain (without parser) took 4863.49ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 58.7MB in the beginning and 53.3MB in the end (delta: 5.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-14 04:45:36,184 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:45:36,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.58ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 58.4MB in the beginning and 104.5MB in the end (delta: -46.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 04:45:36,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.88ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 102.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:45:36,185 INFO L158 Benchmark]: Boogie Preprocessor took 28.07ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:45:36,185 INFO L158 Benchmark]: RCFGBuilder took 340.75ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 86.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 04:45:36,186 INFO L158 Benchmark]: TraceAbstraction took 4064.66ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 53.3MB in the end (delta: 32.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-12-14 04:45:36,186 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 138.4MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:45:36,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.58ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 58.4MB in the beginning and 104.5MB in the end (delta: -46.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.88ms. Allocated memory is still 138.4MB. Free memory was 104.5MB in the beginning and 102.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.07ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.75ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 86.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4064.66ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 53.3MB in the end (delta: 32.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 138.4MB. Free memory is still 53.3MB. 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: 2.2s, 91 PlacesBefore, 35 PlacesAfterwards, 87 TransitionsBefore, 31 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 56 TotalNumberOfCompositions, 6730 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2270, independent: 1910, independent conditional: 0, independent unconditional: 1910, dependent: 360, dependent conditional: 0, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1009, independent: 901, independent conditional: 0, independent unconditional: 901, 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: 1009, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 207, dependent conditional: 0, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 207, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 350, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2270, independent: 1009, independent conditional: 0, independent unconditional: 1009, dependent: 252, dependent conditional: 0, dependent unconditional: 252, unknown: 1009, unknown conditional: 0, unknown unconditional: 1009] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 158, Positive conditional cache size: 0, Positive unconditional cache size: 158, 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: 683]: 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}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=49, data.x++=0, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=49, data.x++=0, id={5:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=49, data.x++=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++ [683] * C: data.x++ [683] * C: data.x++ [683] * C: data.x++ [683] * C: data.x++ [693] and C: data.x++ [683] - 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 746 IncrementalHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 44 mSDtfsCounter, 746 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, 0.7s 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! [2022-12-14 04:45:36,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9938b47d-a8a2-4bd8-b561-a73af39d25fb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE