./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_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_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/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_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/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_e7bc6b46-0496-4439-9bfd-664f0c10cd00/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 ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf --- 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 15:38:55,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:38:55,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:38:55,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:38:55,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:38:55,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:38:55,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:38:55,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:38:55,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:38:55,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:38:55,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:38:55,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:38:55,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:38:55,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:38:55,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:38:55,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:38:55,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:38:55,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:38:55,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:38:55,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:38:55,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:38:55,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:38:55,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:38:55,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:38:55,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:38:55,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:38:55,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:38:55,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:38:55,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:38:55,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:38:55,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:38:55,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:38:55,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:38:55,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:38:55,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:38:55,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:38:55,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:38:55,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:38:55,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:38:55,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:38:55,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:38:55,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 15:38:55,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:38:55,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:38:55,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:38:55,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:38:55,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:38:55,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:38:55,165 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:38:55,166 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:38:55,166 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:38:55,166 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:38:55,167 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:38:55,167 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:38:55,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:38:55,167 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:38:55,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 15:38:55,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:38:55,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:38:55,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:38:55,169 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:38:55,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:38:55,170 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_e7bc6b46-0496-4439-9bfd-664f0c10cd00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf [2022-12-14 15:38:55,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:38:55,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:38:55,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:38:55,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:38:55,366 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:38:55,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-12-14 15:38:57,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:38:58,134 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:38:58,134 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-12-14 15:38:58,146 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/data/c6e08d82c/47f192631b2b4093a5afb64976f57c1d/FLAG44ff61cd3 [2022-12-14 15:38:58,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/data/c6e08d82c/47f192631b2b4093a5afb64976f57c1d [2022-12-14 15:38:58,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:38:58,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:38:58,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:38:58,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:38:58,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:38:58,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ccfe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58, skipping insertion in model container [2022-12-14 15:38:58,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:38:58,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:38:58,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:38:58,463 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:38:58,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:38:58,519 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:38:58,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58 WrapperNode [2022-12-14 15:38:58,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:38:58,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:38:58,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:38:58,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:38:58,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,547 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-12-14 15:38:58,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:38:58,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:38:58,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:38:58,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:38:58,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:38:58,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:38:58,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:38:58,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:38:58,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (1/1) ... [2022-12-14 15:38:58,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:38:58,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:38:58,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:38:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:38:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:38:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 15:38:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:38:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:38:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:38:58,626 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 15:38:58,723 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:38:58,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:38:58,844 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:38:58,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:38:58,850 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:38:58,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:38:58 BoogieIcfgContainer [2022-12-14 15:38:58,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:38:58,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:38:58,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:38:58,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:38:58,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:38:58" (1/3) ... [2022-12-14 15:38:58,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bd1330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:38:58, skipping insertion in model container [2022-12-14 15:38:58,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:38:58" (2/3) ... [2022-12-14 15:38:58,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bd1330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:38:58, skipping insertion in model container [2022-12-14 15:38:58,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:38:58" (3/3) ... [2022-12-14 15:38:58,858 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_03-fld_rc.i [2022-12-14 15:38:58,864 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:38:58,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:38:58,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 15:38:58,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 15:38:58,905 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 15:38:58,928 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 15:38:58,939 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 141 flow [2022-12-14 15:38:58,941 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 141 flow [2022-12-14 15:38:58,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 141 flow [2022-12-14 15:38:58,972 INFO L130 PetriNetUnfolder]: 0/67 cut-off events. [2022-12-14 15:38:58,972 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 15:38:58,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 15:38:58,975 INFO L119 LiptonReduction]: Number of co-enabled transitions 748 [2022-12-14 15:39:00,470 INFO L134 LiptonReduction]: Checked pairs total: 2111 [2022-12-14 15:39:00,470 INFO L136 LiptonReduction]: Total number of compositions: 49 [2022-12-14 15:39:00,476 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 43 flow [2022-12-14 15:39:00,487 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:39:00,503 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;@33df1f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:39:00,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 15:39:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:39:00,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:00,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:39:00,509 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 15:39:00,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:00,512 INFO L85 PathProgramCache]: Analyzing trace with hash 7125259, now seen corresponding path program 1 times [2022-12-14 15:39:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:00,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006549202] [2022-12-14 15:39:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:00,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:00,650 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 15:39:00,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:00,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006549202] [2022-12-14 15:39:00,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006549202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:00,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:00,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:00,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653158122] [2022-12-14 15:39:00,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:00,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:00,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:00,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:00,676 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:00,716 INFO L93 Difference]: Finished difference Result 95 states and 162 transitions. [2022-12-14 15:39:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:00,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 15:39:00,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:00,727 INFO L225 Difference]: With dead ends: 95 [2022-12-14 15:39:00,727 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 15:39:00,728 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 15:39:00,731 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:00,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:39:00,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 15:39:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2022-12-14 15:39:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.8857142857142857) internal successors, (132), 76 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-12-14 15:39:00,761 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 4 [2022-12-14 15:39:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:00,761 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-12-14 15:39:00,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-12-14 15:39:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:39:00,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:00,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:00,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:39:00,762 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 15:39:00,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:00,762 INFO L85 PathProgramCache]: Analyzing trace with hash 439856780, now seen corresponding path program 1 times [2022-12-14 15:39:00,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:00,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385698711] [2022-12-14 15:39:00,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:00,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:00,815 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 15:39:00,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:00,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385698711] [2022-12-14 15:39:00,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385698711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:00,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:00,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:00,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926249286] [2022-12-14 15:39:00,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:00,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:00,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:00,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:00,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:00,817 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:00,836 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2022-12-14 15:39:00,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:00,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 15:39:00,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:00,838 INFO L225 Difference]: With dead ends: 80 [2022-12-14 15:39:00,838 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 15:39:00,838 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 15:39:00,839 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:00,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:39:00,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 15:39:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 15:39:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.8235294117647058) internal successors, (124), 73 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2022-12-14 15:39:00,845 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 8 [2022-12-14 15:39:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:00,846 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2022-12-14 15:39:00,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2022-12-14 15:39:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:39:00,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:00,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:00,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:39:00,847 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 15:39:00,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:00,848 INFO L85 PathProgramCache]: Analyzing trace with hash 254241541, now seen corresponding path program 1 times [2022-12-14 15:39:00,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:00,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781453962] [2022-12-14 15:39:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:00,882 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 15:39:00,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:00,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781453962] [2022-12-14 15:39:00,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781453962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:00,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:00,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110862464] [2022-12-14 15:39:00,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:00,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:00,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:00,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:00,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:00,884 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:00,905 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2022-12-14 15:39:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:00,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 15:39:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:00,906 INFO L225 Difference]: With dead ends: 73 [2022-12-14 15:39:00,906 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 15:39:00,906 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 15:39:00,907 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:00,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:39:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 15:39:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-14 15:39:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.619047619047619) internal successors, (102), 66 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-12-14 15:39:00,913 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 8 [2022-12-14 15:39:00,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:00,914 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-12-14 15:39:00,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-12-14 15:39:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 15:39:00,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:00,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:00,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:39:00,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 15:39:00,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:00,915 INFO L85 PathProgramCache]: Analyzing trace with hash 750660340, now seen corresponding path program 1 times [2022-12-14 15:39:00,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:00,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096453804] [2022-12-14 15:39:00,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:39:00,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:39:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:39:00,954 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:39:00,954 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:39:00,955 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 15:39:00,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 15:39:00,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-14 15:39:00,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-14 15:39:00,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 15:39:00,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 15:39:00,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 15:39:00,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:39:00,959 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 15:39:00,963 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 15:39:00,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:39:00,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:39:00 BasicIcfg [2022-12-14 15:39:00,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:39:00,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:39:00,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:39:00,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:39:00,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:38:58" (3/4) ... [2022-12-14 15:39:00,979 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:39:00,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:39:00,980 INFO L158 Benchmark]: Toolchain (without parser) took 2820.15ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 57.0MB in the end (delta: 19.8MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,980 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:39:00,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 57.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.85ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,981 INFO L158 Benchmark]: Boogie Preprocessor took 16.41ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,981 INFO L158 Benchmark]: RCFGBuilder took 286.45ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 117.0MB in the end (delta: -62.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,981 INFO L158 Benchmark]: TraceAbstraction took 2123.49ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 57.0MB in the end (delta: 60.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-12-14 15:39:00,981 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 148.9MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:39:00,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 57.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.85ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.41ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.45ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 117.0MB in the end (delta: -62.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2123.49ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 57.0MB in the end (delta: 60.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 148.9MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 72 PlacesBefore, 23 PlacesAfterwards, 68 TransitionsBefore, 19 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 49 TotalNumberOfCompositions, 2111 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1003, independent: 829, independent conditional: 0, independent unconditional: 829, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 509, independent: 465, independent conditional: 0, independent unconditional: 465, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 509, independent: 451, independent conditional: 0, independent unconditional: 451, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1003, independent: 364, independent conditional: 0, independent unconditional: 364, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 509, unknown conditional: 0, unknown unconditional: 509] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, 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: 696]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int glob; [L680-L683] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L696] 0 glob++ VAL [arg={0:0}, glob=1, glob++=0, glob++=49, id={2:0}, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=49, id={2:0}, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [686] and C: glob++ [696] - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: 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: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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, 88 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 15:39:01,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bc6b46-0496-4439-9bfd-664f0c10cd00/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