./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW --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 c5a5c14c57e06cfd3efa20a37113fb2e77fc1d7f7a430797d00e5c1b23749611 --- 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-4e7fbc6 [2022-11-23 16:03:58,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:03:58,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:03:58,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:03:58,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:03:58,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:03:58,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:03:58,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:03:58,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:03:58,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:03:58,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:03:58,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:03:58,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:03:58,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:03:58,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:03:58,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:03:58,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:03:58,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:03:58,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:03:59,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:03:59,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:03:59,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:03:59,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:03:59,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:03:59,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:03:59,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:03:59,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:03:59,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:03:59,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:03:59,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:03:59,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:03:59,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:03:59,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:03:59,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:03:59,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:03:59,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:03:59,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:03:59,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:03:59,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:03:59,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:03:59,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:03:59,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 16:03:59,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:03:59,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:03:59,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:03:59,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:03:59,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:03:59,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:03:59,079 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:03:59,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:03:59,080 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:03:59,080 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:03:59,080 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:03:59,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:03:59,081 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:03:59,081 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:03:59,081 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:03:59,081 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:03:59,082 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:03:59,082 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:03:59,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:03:59,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:03:59,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:03:59,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:03:59,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:03:59,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:03:59,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:03:59,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:03:59,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:03:59,085 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 16:03:59,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:03:59,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:03:59,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:03:59,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:03:59,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:03:59,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:03:59,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:03:59,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:03:59,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:03:59,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:03:59,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:03:59,093 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:03:59,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:03:59,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:03:59,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:03:59,094 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_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a5c14c57e06cfd3efa20a37113fb2e77fc1d7f7a430797d00e5c1b23749611 [2022-11-23 16:03:59,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:03:59,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:03:59,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:03:59,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:03:59,422 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:03:59,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-11-23 16:04:02,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:04:02,855 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:04:02,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-11-23 16:04:02,887 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/data/498906703/48a8a47ad567410383a8371ae9b42df4/FLAGa8124b7c4 [2022-11-23 16:04:02,907 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/data/498906703/48a8a47ad567410383a8371ae9b42df4 [2022-11-23 16:04:02,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:04:02,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:04:02,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:02,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:04:02,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:04:02,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:02" (1/1) ... [2022-11-23 16:04:02,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb7922e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:02, skipping insertion in model container [2022-11-23 16:04:02,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:02" (1/1) ... [2022-11-23 16:04:02,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:04:03,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:04:03,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:03,538 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:04:03,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:03,695 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:04:03,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03 WrapperNode [2022-11-23 16:04:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:03,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:03,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:04:03,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:04:03,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,777 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-11-23 16:04:03,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:03,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:04:03,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:04:03,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:04:03,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:04:03,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:04:03,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:04:03,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:04:03,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (1/1) ... [2022-11-23 16:04:03,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:03,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:04:03,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:04:03,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:04:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2022-11-23 16:04:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:04:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:04:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-11-23 16:04:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:04:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:04:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:04:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 16:04:03,916 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 16:04:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:04:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:04:03,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:04:03,918 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 16:04:04,118 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:04:04,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:04:04,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:04:04,378 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:04:04,379 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:04:04,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:04 BoogieIcfgContainer [2022-11-23 16:04:04,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:04:04,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:04:04,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:04:04,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:04:04,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:04:02" (1/3) ... [2022-11-23 16:04:04,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daf71c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:04, skipping insertion in model container [2022-11-23 16:04:04,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:03" (2/3) ... [2022-11-23 16:04:04,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daf71c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:04, skipping insertion in model container [2022-11-23 16:04:04,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:04" (3/3) ... [2022-11-23 16:04:04,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_55-pt_rwlock_rr.i [2022-11-23 16:04:04,403 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 16:04:04,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:04:04,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-23 16:04:04,415 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 16:04:04,484 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 16:04:04,524 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 16:04:04,547 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 182 flow [2022-11-23 16:04:04,558 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 182 flow [2022-11-23 16:04:04,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 182 flow [2022-11-23 16:04:04,648 INFO L130 PetriNetUnfolder]: 0/86 cut-off events. [2022-11-23 16:04:04,648 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 16:04:04,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 86 events. 0/86 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-23 16:04:04,653 INFO L119 LiptonReduction]: Number of co-enabled transitions 1232 [2022-11-23 16:04:07,801 INFO L134 LiptonReduction]: Checked pairs total: 3007 [2022-11-23 16:04:07,801 INFO L136 LiptonReduction]: Total number of compositions: 77 [2022-11-23 16:04:07,809 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 52 flow [2022-11-23 16:04:07,839 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 91 states, 72 states have (on average 2.236111111111111) internal successors, (161), 90 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:07,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:04:07,875 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;@1c76c9e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:04:07,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-11-23 16:04:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 72 states have (on average 2.236111111111111) internal successors, (161), 90 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 16:04:07,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:07,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 16:04:07,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-23 16:04:07,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:07,892 INFO L85 PathProgramCache]: Analyzing trace with hash 298507, now seen corresponding path program 1 times [2022-11-23 16:04:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:07,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696648807] [2022-11-23 16:04:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:07,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:04:08,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:08,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696648807] [2022-11-23 16:04:08,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696648807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:08,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:08,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 16:04:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908788863] [2022-11-23 16:04:08,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:08,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:04:08,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:04:08,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:04:08,169 INFO L87 Difference]: Start difference. First operand has 91 states, 72 states have (on average 2.236111111111111) internal successors, (161), 90 states have internal predecessors, (161), 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) [2022-11-23 16:04:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:04:08,215 INFO L93 Difference]: Finished difference Result 65 states and 112 transitions. [2022-11-23 16:04:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:04:08,218 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 [2022-11-23 16:04:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:04:08,226 INFO L225 Difference]: With dead ends: 65 [2022-11-23 16:04:08,226 INFO L226 Difference]: Without dead ends: 65 [2022-11-23 16:04:08,227 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 [2022-11-23 16:04:08,231 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:04:08,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:04:08,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-23 16:04:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-23 16:04:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 57 states have (on average 1.9649122807017543) internal successors, (112), 64 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 112 transitions. [2022-11-23 16:04:08,275 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 112 transitions. Word has length 3 [2022-11-23 16:04:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:04:08,277 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 112 transitions. [2022-11-23 16:04:08,280 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) [2022-11-23 16:04:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2022-11-23 16:04:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 16:04:08,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:08,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 16:04:08,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:04:08,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-23 16:04:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash 9254115, now seen corresponding path program 1 times [2022-11-23 16:04:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:08,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018870954] [2022-11-23 16:04:08,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:04:08,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:08,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018870954] [2022-11-23 16:04:08,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018870954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:08,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:08,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:04:08,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044346767] [2022-11-23 16:04:08,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:08,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:04:08,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:08,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:04:08,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:08,368 INFO L87 Difference]: Start difference. First operand 65 states and 112 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:04:08,408 INFO L93 Difference]: Finished difference Result 98 states and 166 transitions. [2022-11-23 16:04:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:04:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-23 16:04:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:04:08,410 INFO L225 Difference]: With dead ends: 98 [2022-11-23 16:04:08,410 INFO L226 Difference]: Without dead ends: 98 [2022-11-23 16:04:08,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:08,412 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:04:08,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:04:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-23 16:04:08,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 69. [2022-11-23 16:04:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.9508196721311475) internal successors, (119), 68 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 119 transitions. [2022-11-23 16:04:08,422 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 119 transitions. Word has length 4 [2022-11-23 16:04:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:04:08,423 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 119 transitions. [2022-11-23 16:04:08,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2022-11-23 16:04:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 16:04:08,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:08,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 16:04:08,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:04:08,425 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-23 16:04:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash 286862900, now seen corresponding path program 1 times [2022-11-23 16:04:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:08,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040365824] [2022-11-23 16:04:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:04:08,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:08,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040365824] [2022-11-23 16:04:08,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040365824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:08,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:08,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:04:08,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520764607] [2022-11-23 16:04:08,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:08,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:04:08,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:08,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:04:08,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:08,482 INFO L87 Difference]: Start difference. First operand 69 states and 119 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) [2022-11-23 16:04:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:04:08,530 INFO L93 Difference]: Finished difference Result 77 states and 133 transitions. [2022-11-23 16:04:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:04:08,531 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 [2022-11-23 16:04:08,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:04:08,533 INFO L225 Difference]: With dead ends: 77 [2022-11-23 16:04:08,535 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 16:04:08,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:08,537 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:04:08,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:04:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 16:04:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2022-11-23 16:04:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.90625) internal successors, (122), 70 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 16:04:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 122 transitions. [2022-11-23 16:04:08,554 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 122 transitions. Word has length 5 [2022-11-23 16:04:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:04:08,555 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 122 transitions. [2022-11-23 16:04:08,555 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) [2022-11-23 16:04:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2022-11-23 16:04:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 16:04:08,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:08,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 16:04:08,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:04:08,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-23 16:04:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:08,561 INFO L85 PathProgramCache]: Analyzing trace with hash 302817972, now seen corresponding path program 1 times [2022-11-23 16:04:08,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:08,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30375044] [2022-11-23 16:04:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:08,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:04:08,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:04:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:04:08,665 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 16:04:08,669 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:04:08,670 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-11-23 16:04:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-11-23 16:04:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-11-23 16:04:08,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-11-23 16:04:08,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-11-23 16:04:08,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2022-11-23 16:04:08,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-11-23 16:04:08,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-11-23 16:04:08,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-11-23 16:04:08,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-11-23 16:04:08,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-11-23 16:04:08,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:04:08,683 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 16:04:08,689 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 16:04:08,689 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:04:08,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:04:08 BasicIcfg [2022-11-23 16:04:08,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:04:08,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:04:08,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:04:08,716 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:04:08,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:04" (3/4) ... [2022-11-23 16:04:08,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 16:04:08,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:04:08,720 INFO L158 Benchmark]: Toolchain (without parser) took 5809.59ms. Allocated memory was 127.9MB in the beginning and 222.3MB in the end (delta: 94.4MB). Free memory was 65.4MB in the beginning and 146.0MB in the end (delta: -80.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-23 16:04:08,721 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:04:08,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.87ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 65.1MB in the beginning and 131.8MB in the end (delta: -66.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-23 16:04:08,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.02ms. Allocated memory is still 184.5MB. Free memory was 131.8MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:04:08,723 INFO L158 Benchmark]: Boogie Preprocessor took 45.82ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:04:08,723 INFO L158 Benchmark]: RCFGBuilder took 556.33ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 114.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 16:04:08,723 INFO L158 Benchmark]: TraceAbstraction took 4329.69ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 112.9MB in the beginning and 147.0MB in the end (delta: -34.2MB). Peak memory consumption was 210.4kB. Max. memory is 16.1GB. [2022-11-23 16:04:08,724 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 222.3MB. Free memory was 147.0MB in the beginning and 146.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:04:08,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.87ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 65.1MB in the beginning and 131.8MB in the end (delta: -66.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.02ms. Allocated memory is still 184.5MB. Free memory was 131.8MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.82ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.33ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 114.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4329.69ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 112.9MB in the beginning and 147.0MB in the end (delta: -34.2MB). Peak memory consumption was 210.4kB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 222.3MB. Free memory was 147.0MB in the beginning and 146.0MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 91 PlacesBefore, 26 PlacesAfterwards, 87 TransitionsBefore, 22 TransitionsAfterwards, 1232 CoEnabledTransitionPairs, 8 FixpointIterations, 32 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 77 TotalNumberOfCompositions, 3007 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1714, independent: 1503, independent conditional: 0, independent unconditional: 1503, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 902, independent: 851, independent conditional: 0, independent unconditional: 851, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 902, independent: 805, independent conditional: 0, independent unconditional: 805, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1714, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 902, unknown conditional: 0, unknown unconditional: 902] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 static int data1; [L918] 0 static int data2; [L919] 0 static pthread_rwlock_t rwlock = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, data1=0, data2=0, id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, rwlock={1:0}] [L922] 1 data1++ VAL [#in~arg={0:0}, arg={0:0}, data1=1, data1++=33, data1++=0, data2=0, rwlock={1:0}] [L922] 1 data1++ VAL [#in~arg={0:0}, arg={0:0}, data1=1, data1++=33, data1++=0, data2=0, rwlock={1:0}] Now there is a data race on ~data1~0 between C: printf("%d",data1) [931] and C: data1++ [922] - UnprovableResult [Line: 931]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 922]: 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, 112 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 64 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=91occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 35 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 16:04:08,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d04bbe-6000-4dc0-8c70-7778c6337305/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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