./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:28:01,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:28:01,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:28:01,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:28:01,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:28:01,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:28:01,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:28:01,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:28:01,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:28:01,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:28:01,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:28:01,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:28:01,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:28:01,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:28:01,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:28:01,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:28:01,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:28:01,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:28:01,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:28:01,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:28:01,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:28:01,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:28:01,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:28:01,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:28:01,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:28:01,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:28:01,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:28:01,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:28:01,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:28:01,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:28:01,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:28:01,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:28:01,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:28:01,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:28:01,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:28:01,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:28:01,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:28:01,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:28:01,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:28:01,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:28:01,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:28:01,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 02:28:01,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:28:01,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:28:01,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:28:01,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:28:01,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:28:01,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:28:01,436 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:28:01,436 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:28:01,436 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:28:01,437 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:28:01,437 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:28:01,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:28:01,437 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:28:01,438 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:28:01,438 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:28:01,438 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:28:01,438 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:28:01,439 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:28:01,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:28:01,440 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:28:01,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:28:01,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:28:01,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:28:01,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:28:01,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:28:01,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:28:01,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:28:01,441 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 02:28:01,442 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:28:01,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:28:01,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:28:01,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:28:01,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:28:01,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:28:01,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:28:01,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:28:01,444 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:28:01,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:28:01,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:28:01,444 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:28:01,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:28:01,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:28:01,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:28:01,445 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_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2022-11-22 02:28:01,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:28:01,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:28:01,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:28:01,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:28:01,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:28:01,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread/bigshot_p.i [2022-11-22 02:28:04,778 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:28:05,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:28:05,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/sv-benchmarks/c/pthread/bigshot_p.i [2022-11-22 02:28:05,149 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/data/d53968248/61ed7841528e47768c02b5f439b4bb77/FLAG6495a98e5 [2022-11-22 02:28:05,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/data/d53968248/61ed7841528e47768c02b5f439b4bb77 [2022-11-22 02:28:05,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:28:05,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:28:05,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:28:05,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:28:05,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:28:05,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:05,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d24122c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05, skipping insertion in model container [2022-11-22 02:28:05,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:05,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:28:05,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:28:05,770 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2022-11-22 02:28:05,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:28:05,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:28:05,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2022-11-22 02:28:05,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:28:05,984 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:28:05,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05 WrapperNode [2022-11-22 02:28:05,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:28:05,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:28:05,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:28:05,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:28:05,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,078 INFO L138 Inliner]: procedures = 324, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2022-11-22 02:28:06,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:28:06,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:28:06,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:28:06,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:28:06,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:28:06,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:28:06,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:28:06,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:28:06,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (1/1) ... [2022-11-22 02:28:06,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:28:06,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:28:06,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:28:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:28:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:28:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:28:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:28:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:28:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-22 02:28:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-22 02:28:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-22 02:28:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-22 02:28:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:28:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:28:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:28:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:28:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:28:06,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:28:06,229 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:28:06,365 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:28:06,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:28:06,761 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:28:06,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:28:06,769 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:28:06,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:06 BoogieIcfgContainer [2022-11-22 02:28:06,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:28:06,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:28:06,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:28:06,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:28:06,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:28:05" (1/3) ... [2022-11-22 02:28:06,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b411c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:06, skipping insertion in model container [2022-11-22 02:28:06,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:05" (2/3) ... [2022-11-22 02:28:06,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b411c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:06, skipping insertion in model container [2022-11-22 02:28:06,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:06" (3/3) ... [2022-11-22 02:28:06,782 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2022-11-22 02:28:06,791 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:28:06,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:28:06,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 02:28:06,803 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:28:06,898 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 02:28:06,932 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:28:06,964 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 129 transitions, 274 flow [2022-11-22 02:28:06,970 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 129 transitions, 274 flow [2022-11-22 02:28:06,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 129 transitions, 274 flow [2022-11-22 02:28:07,072 INFO L130 PetriNetUnfolder]: 5/127 cut-off events. [2022-11-22 02:28:07,073 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 02:28:07,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 127 events. 5/127 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-11-22 02:28:07,081 INFO L119 LiptonReduction]: Number of co-enabled transitions 2084 [2022-11-22 02:28:12,179 INFO L134 LiptonReduction]: Checked pairs total: 5241 [2022-11-22 02:28:12,179 INFO L136 LiptonReduction]: Total number of compositions: 127 [2022-11-22 02:28:12,193 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 84 flow [2022-11-22 02:28:12,253 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:28:12,286 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;@7ef7cfbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:28:12,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-22 02:28:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:28:12,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:12,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:28:12,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 02:28:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 453236274, now seen corresponding path program 1 times [2022-11-22 02:28:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:12,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126776095] [2022-11-22 02:28:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:28:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:28:12,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:28:12,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126776095] [2022-11-22 02:28:12,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126776095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:28:12,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:28:12,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:28:12,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359706357] [2022-11-22 02:28:12,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:28:12,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:28:12,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:28:12,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:28:12,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:28:12,605 INFO L87 Difference]: Start difference. First operand has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 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 5.0) internal successors, (5), 2 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) [2022-11-22 02:28:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:28:12,680 INFO L93 Difference]: Finished difference Result 169 states and 391 transitions. [2022-11-22 02:28:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:28:12,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 [2022-11-22 02:28:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:28:12,699 INFO L225 Difference]: With dead ends: 169 [2022-11-22 02:28:12,699 INFO L226 Difference]: Without dead ends: 152 [2022-11-22 02:28:12,700 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 [2022-11-22 02:28:12,709 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:28:12,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:28:12,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-22 02:28:12,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2022-11-22 02:28:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 147 states have (on average 2.3537414965986394) internal successors, (346), 151 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 346 transitions. [2022-11-22 02:28:12,763 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 346 transitions. Word has length 5 [2022-11-22 02:28:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:28:12,764 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 346 transitions. [2022-11-22 02:28:12,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) [2022-11-22 02:28:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 346 transitions. [2022-11-22 02:28:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:28:12,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:12,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:28:12,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:28:12,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 02:28:12,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1165420824, now seen corresponding path program 1 times [2022-11-22 02:28:12,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:12,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905787841] [2022-11-22 02:28:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:28:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:28:12,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:28:12,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905787841] [2022-11-22 02:28:12,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905787841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:28:12,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:28:12,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:28:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689210156] [2022-11-22 02:28:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:28:12,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:28:12,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:28:12,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:28:12,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:28:12,865 INFO L87 Difference]: Start difference. First operand 152 states and 346 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:28:12,934 INFO L93 Difference]: Finished difference Result 188 states and 416 transitions. [2022-11-22 02:28:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:28:12,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-22 02:28:12,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:28:12,936 INFO L225 Difference]: With dead ends: 188 [2022-11-22 02:28:12,936 INFO L226 Difference]: Without dead ends: 158 [2022-11-22 02:28:12,937 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 [2022-11-22 02:28:12,938 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:28:12,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:28:12,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-11-22 02:28:12,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 134. [2022-11-22 02:28:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 129 states have (on average 2.302325581395349) internal successors, (297), 133 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 297 transitions. [2022-11-22 02:28:12,958 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 297 transitions. Word has length 6 [2022-11-22 02:28:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:28:12,959 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 297 transitions. [2022-11-22 02:28:12,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 297 transitions. [2022-11-22 02:28:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:28:12,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:12,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:28:12,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:28:12,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 02:28:12,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1165456715, now seen corresponding path program 1 times [2022-11-22 02:28:12,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:12,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889187875] [2022-11-22 02:28:12,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:28:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:28:13,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:28:13,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889187875] [2022-11-22 02:28:13,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889187875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:28:13,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:28:13,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:28:13,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364106009] [2022-11-22 02:28:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:28:13,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:28:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:28:13,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:28:13,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:28:13,063 INFO L87 Difference]: Start difference. First operand 134 states and 297 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:28:13,130 INFO L93 Difference]: Finished difference Result 134 states and 288 transitions. [2022-11-22 02:28:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:28:13,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-22 02:28:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:28:13,133 INFO L225 Difference]: With dead ends: 134 [2022-11-22 02:28:13,133 INFO L226 Difference]: Without dead ends: 102 [2022-11-22 02:28:13,134 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 [2022-11-22 02:28:13,138 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:28:13,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 10 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:28:13,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-22 02:28:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-11-22 02:28:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 99 states have (on average 2.0202020202020203) internal successors, (200), 101 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 200 transitions. [2022-11-22 02:28:13,164 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 200 transitions. Word has length 6 [2022-11-22 02:28:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:28:13,165 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 200 transitions. [2022-11-22 02:28:13,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:28:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions. [2022-11-22 02:28:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:28:13,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:13,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:28:13,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:28:13,169 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 02:28:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1412625912, now seen corresponding path program 1 times [2022-11-22 02:28:13,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:13,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547408021] [2022-11-22 02:28:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:28:13,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:28:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:28:13,247 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:28:13,247 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:28:13,248 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-11-22 02:28:13,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-11-22 02:28:13,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-11-22 02:28:13,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-11-22 02:28:13,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-11-22 02:28:13,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-11-22 02:28:13,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-11-22 02:28:13,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-11-22 02:28:13,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-11-22 02:28:13,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-11-22 02:28:13,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-11-22 02:28:13,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-11-22 02:28:13,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-11-22 02:28:13,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:28:13,256 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 02:28:13,262 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:28:13,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:28:13,270 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,271 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:28:13 BasicIcfg [2022-11-22 02:28:13,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:28:13,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:28:13,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:28:13,290 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:28:13,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:06" (3/4) ... [2022-11-22 02:28:13,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:28:13,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:28:13,294 INFO L158 Benchmark]: Toolchain (without parser) took 8124.86ms. Allocated memory is still 209.7MB. Free memory was 174.4MB in the beginning and 65.0MB in the end (delta: 109.5MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,295 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 140.5MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:28:13,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.23ms. Allocated memory is still 209.7MB. Free memory was 174.4MB in the beginning and 141.8MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.00ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 139.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,296 INFO L158 Benchmark]: Boogie Preprocessor took 66.45ms. Allocated memory is still 209.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,296 INFO L158 Benchmark]: RCFGBuilder took 625.69ms. Allocated memory is still 209.7MB. Free memory was 136.9MB in the beginning and 120.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,296 INFO L158 Benchmark]: TraceAbstraction took 6514.63ms. Allocated memory is still 209.7MB. Free memory was 119.5MB in the beginning and 65.0MB in the end (delta: 54.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-22 02:28:13,297 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 209.7MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:28:13,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 140.5MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.23ms. Allocated memory is still 209.7MB. Free memory was 174.4MB in the beginning and 141.8MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.00ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 139.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.45ms. Allocated memory is still 209.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.69ms. Allocated memory is still 209.7MB. Free memory was 136.9MB in the beginning and 120.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6514.63ms. Allocated memory is still 209.7MB. Free memory was 119.5MB in the beginning and 65.0MB in the end (delta: 54.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 209.7MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 131 PlacesBefore, 38 PlacesAfterwards, 129 TransitionsBefore, 34 TransitionsAfterwards, 2084 CoEnabledTransitionPairs, 7 FixpointIterations, 64 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 127 TotalNumberOfCompositions, 5241 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3250, independent: 3012, independent conditional: 0, independent unconditional: 3012, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1601, independent: 1546, independent conditional: 0, independent unconditional: 1546, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1601, independent: 1545, independent conditional: 0, independent unconditional: 1545, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3250, independent: 1466, independent conditional: 0, independent unconditional: 1466, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 1601, unknown conditional: 0, unknown unconditional: 1601] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, 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: 1111]: Data race detected [2022-11-22 02:28:13,309 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,310 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,310 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,310 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,311 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,311 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,311 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,312 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,312 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,312 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-22 02:28:13,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled Data race detected The following path leads to a data race: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [pthread_create(&t1, 0, thread1, 0)=-1, t1={10:0}, t2={9:0}, v={0:0}] [L1123] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [pthread_create(&t2, 0, thread2, 0)=0, t1={10:0}, t2={9:0}, v={0:0}] [L1111] EXPR, FCALL 1 calloc(8, sizeof(char)) [L1111] 1 v = calloc(8, sizeof(char)) VAL [arg={0:0}, arg={0:0}, calloc(8, sizeof(char))={-2:0}, v={-2:0}, v = calloc(8, sizeof(char))=117] [L1116] 2 \read(*v) VAL [arg={0:0}, arg={0:0}, v={-2:0}] [L1111] 1 v = calloc(8, sizeof(char)) VAL [arg={0:0}, arg={0:0}, calloc(8, sizeof(char))={-2:0}, v={-2:0}, v = calloc(8, sizeof(char))=117] Now there is a data race on ~v~0 between C: if (v) strcpy(v, "Bigshot"); [1116] and C: v = calloc(8, sizeof(char)) [1111] - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1124]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1125]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1122]: 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: 1123]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 166 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 21 mSDtfsCounter, 115 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=249occurred 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-22 02:28:13,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e883cc9e-e059-40c0-9892-aac48bb6e55a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE