./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/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_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/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_e9fd11e1-6805-435a-96e4-82092a827ee6/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 f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab --- 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 11:12:54,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:12:54,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:12:54,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:12:54,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:12:54,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:12:54,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:12:54,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:12:54,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:12:54,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:12:54,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:12:54,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:12:54,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:12:54,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:12:54,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:12:54,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:12:54,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:12:54,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:12:54,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:12:54,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:12:54,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:12:54,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:12:54,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:12:54,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:12:54,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:12:54,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:12:54,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:12:54,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:12:54,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:12:54,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:12:54,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:12:54,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:12:54,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:12:54,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:12:54,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:12:54,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:12:54,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:12:54,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:12:54,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:12:54,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:12:54,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:12:54,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:12:54,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:12:54,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:12:54,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:12:54,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:12:54,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:12:54,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:12:54,617 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:12:54,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:12:54,617 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:12:54,618 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:12:54,619 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:12:54,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:12:54,619 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:12:54,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:12:54,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:12:54,621 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:12:54,621 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:12:54,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:12:54,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:12:54,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:12:54,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:12:54,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:12:54,622 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:12:54,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:12:54,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:12:54,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:12:54,623 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_e9fd11e1-6805-435a-96e4-82092a827ee6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab [2022-12-14 11:12:54,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:12:54,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:12:54,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:12:54,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:12:54,832 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:12:54,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2022-12-14 11:12:57,415 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:12:57,618 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:12:57,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2022-12-14 11:12:57,635 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/data/8515b4743/3306aba6e4004a65b8a2a4e867c602f6/FLAG4c1cc5ebf [2022-12-14 11:12:57,655 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/data/8515b4743/3306aba6e4004a65b8a2a4e867c602f6 [2022-12-14 11:12:57,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:12:57,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:12:57,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:57,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:12:57,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:12:57,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:57" (1/1) ... [2022-12-14 11:12:57,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0da75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:57, skipping insertion in model container [2022-12-14 11:12:57,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:57" (1/1) ... [2022-12-14 11:12:57,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:12:57,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:12:58,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:12:58,047 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:12:58,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:12:58,121 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:12:58,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58 WrapperNode [2022-12-14 11:12:58,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:58,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:12:58,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:12:58,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:12:58,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,162 INFO L138 Inliner]: procedures = 263, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-12-14 11:12:58,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:12:58,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:12:58,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:12:58,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:12:58,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:12:58,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:12:58,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:12:58,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:12:58,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (1/1) ... [2022-12-14 11:12:58,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:12:58,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:12:58,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:12:58,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:12:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 11:12:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:12:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:12:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:12:58,249 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 11:12:58,357 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:12:58,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:12:58,512 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:12:58,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:12:58,517 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:12:58,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:58 BoogieIcfgContainer [2022-12-14 11:12:58,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:12:58,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:12:58,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:12:58,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:12:58,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:12:57" (1/3) ... [2022-12-14 11:12:58,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103eb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:12:58, skipping insertion in model container [2022-12-14 11:12:58,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:58" (2/3) ... [2022-12-14 11:12:58,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103eb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:12:58, skipping insertion in model container [2022-12-14 11:12:58,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:58" (3/3) ... [2022-12-14 11:12:58,526 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2022-12-14 11:12:58,532 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:12:58,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:12:58,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-14 11:12:58,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:12:58,587 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 11:12:58,610 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:12:58,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 91 transitions, 190 flow [2022-12-14 11:12:58,623 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 91 transitions, 190 flow [2022-12-14 11:12:58,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 91 transitions, 190 flow [2022-12-14 11:12:58,656 INFO L130 PetriNetUnfolder]: 0/90 cut-off events. [2022-12-14 11:12:58,656 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 11:12:58,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 90 events. 0/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-14 11:12:58,660 INFO L119 LiptonReduction]: Number of co-enabled transitions 960 [2022-12-14 11:13:00,848 INFO L134 LiptonReduction]: Checked pairs total: 5055 [2022-12-14 11:13:00,849 INFO L136 LiptonReduction]: Total number of compositions: 79 [2022-12-14 11:13:00,855 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 25 transitions, 58 flow [2022-12-14 11:13:00,872 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:00,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:13:00,892 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;@65e6a58b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:13:00,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 11:13:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 11:13:00,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:13:00,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 11:13:00,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 11:13:00,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:13:00,902 INFO L85 PathProgramCache]: Analyzing trace with hash 298592, now seen corresponding path program 1 times [2022-12-14 11:13:00,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:13:00,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144658808] [2022-12-14 11:13:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:13:00,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:13:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:13:01,037 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 11:13:01,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:13:01,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144658808] [2022-12-14 11:13:01,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144658808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:13:01,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:13:01,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:13:01,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296070121] [2022-12-14 11:13:01,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:13:01,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:13:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:13:01,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:13:01,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:13:01,059 INFO L87 Difference]: Start difference. First operand has 117 states, 105 states have (on average 2.0) internal successors, (210), 116 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:13:01,088 INFO L93 Difference]: Finished difference Result 96 states and 170 transitions. [2022-12-14 11:13:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:13:01,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 11:13:01,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:13:01,096 INFO L225 Difference]: With dead ends: 96 [2022-12-14 11:13:01,096 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 11:13:01,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:13:01,099 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:13:01,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:13:01,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 11:13:01,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-12-14 11:13:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 87 states have (on average 1.8620689655172413) internal successors, (162), 91 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 162 transitions. [2022-12-14 11:13:01,125 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 162 transitions. Word has length 3 [2022-12-14 11:13:01,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:13:01,125 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 162 transitions. [2022-12-14 11:13:01,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2022-12-14 11:13:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 11:13:01,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:13:01,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 11:13:01,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:13:01,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 11:13:01,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:13:01,127 INFO L85 PathProgramCache]: Analyzing trace with hash 286922121, now seen corresponding path program 1 times [2022-12-14 11:13:01,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:13:01,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495240025] [2022-12-14 11:13:01,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:13:01,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:13:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:13:01,174 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 11:13:01,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:13:01,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495240025] [2022-12-14 11:13:01,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495240025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:13:01,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:13:01,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:13:01,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181210541] [2022-12-14 11:13:01,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:13:01,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:13:01,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:13:01,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:13:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:13:01,178 INFO L87 Difference]: Start difference. First operand 92 states and 162 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:13:01,219 INFO L93 Difference]: Finished difference Result 110 states and 186 transitions. [2022-12-14 11:13:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:13:01,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 11:13:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:13:01,220 INFO L225 Difference]: With dead ends: 110 [2022-12-14 11:13:01,220 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 11:13:01,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:13:01,221 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:13:01,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:13:01,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 11:13:01,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 78. [2022-12-14 11:13:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.7808219178082192) internal successors, (130), 77 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 130 transitions. [2022-12-14 11:13:01,227 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 130 transitions. Word has length 5 [2022-12-14 11:13:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:13:01,228 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 130 transitions. [2022-12-14 11:13:01,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2022-12-14 11:13:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:13:01,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:13:01,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:13:01,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:13:01,229 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 11:13:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:13:01,229 INFO L85 PathProgramCache]: Analyzing trace with hash 828976423, now seen corresponding path program 1 times [2022-12-14 11:13:01,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:13:01,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065970662] [2022-12-14 11:13:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:13:01,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:13:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:13:01,263 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 11:13:01,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:13:01,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065970662] [2022-12-14 11:13:01,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065970662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:13:01,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:13:01,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:13:01,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463990943] [2022-12-14 11:13:01,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:13:01,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:13:01,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:13:01,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:13:01,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:13:01,266 INFO L87 Difference]: Start difference. First operand 78 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:13:01,296 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2022-12-14 11:13:01,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:13:01,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:13:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:13:01,297 INFO L225 Difference]: With dead ends: 78 [2022-12-14 11:13:01,297 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 11:13:01,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:13:01,297 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:13:01,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:13:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 11:13:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-14 11:13:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 60 states have (on average 1.6) internal successors, (96), 62 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 96 transitions. [2022-12-14 11:13:01,301 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 96 transitions. Word has length 7 [2022-12-14 11:13:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:13:01,302 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 96 transitions. [2022-12-14 11:13:01,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:13:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2022-12-14 11:13:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:13:01,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:13:01,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:13:01,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:13:01,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 11:13:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:13:01,303 INFO L85 PathProgramCache]: Analyzing trace with hash 669140073, now seen corresponding path program 1 times [2022-12-14 11:13:01,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:13:01,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993339720] [2022-12-14 11:13:01,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:13:01,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:13:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:13:01,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:13:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:13:01,341 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:13:01,342 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:13:01,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-14 11:13:01,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-14 11:13:01,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-14 11:13:01,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-14 11:13:01,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-14 11:13:01,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-14 11:13:01,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-14 11:13:01,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-14 11:13:01,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:13:01,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 11:13:01,351 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 11:13:01,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:13:01,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:13:01 BasicIcfg [2022-12-14 11:13:01,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:13:01,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:13:01,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:13:01,367 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:13:01,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:58" (3/4) ... [2022-12-14 11:13:01,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 11:13:01,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:13:01,370 INFO L158 Benchmark]: Toolchain (without parser) took 3710.72ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 132.3MB in the beginning and 122.9MB in the end (delta: 9.4MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,370 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:13:01,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.97ms. Allocated memory is still 159.4MB. Free memory was 131.9MB in the beginning and 104.8MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.84ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 102.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,370 INFO L158 Benchmark]: Boogie Preprocessor took 23.41ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 101.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,370 INFO L158 Benchmark]: RCFGBuilder took 331.89ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 86.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,371 INFO L158 Benchmark]: TraceAbstraction took 2845.44ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 85.6MB in the beginning and 123.9MB in the end (delta: -38.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:13:01,371 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 192.9MB. Free memory was 123.9MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:13:01,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.97ms. Allocated memory is still 159.4MB. Free memory was 131.9MB in the beginning and 104.8MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.84ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 102.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.41ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 101.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.89ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 86.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2845.44ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 85.6MB in the beginning and 123.9MB in the end (delta: -38.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 192.9MB. Free memory was 123.9MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 95 PlacesBefore, 29 PlacesAfterwards, 91 TransitionsBefore, 25 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 12 FixpointIterations, 39 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 79 TotalNumberOfCompositions, 5055 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2583, independent: 2166, independent conditional: 0, independent unconditional: 2166, dependent: 417, dependent conditional: 0, dependent unconditional: 417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 757, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 757, independent: 669, independent conditional: 0, independent unconditional: 669, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2583, independent: 1455, independent conditional: 0, independent unconditional: 1455, dependent: 371, dependent conditional: 0, dependent unconditional: 371, unknown: 757, unknown conditional: 0, unknown unconditional: 757] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 934]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L923] EXPR 1 myglobal+1 [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1, myglobal=myglobal+1=25] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: printf("myglobal equals %d\n",myglobal) [934] - UnprovableResult [Line: 937]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 109 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 22 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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 11:13:01,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fd11e1-6805-435a-96e4-82092a827ee6/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