./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:44:05,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:44:05,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:44:05,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:44:05,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:44:05,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:44:05,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:44:05,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:44:05,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:44:05,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:44:05,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:44:05,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:44:05,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:44:05,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:44:05,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:44:05,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:44:05,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:44:05,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:44:05,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:44:05,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:44:05,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:44:05,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:44:05,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:44:05,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:44:05,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:44:05,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:44:05,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:44:05,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:44:05,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:44:05,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:44:05,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:44:05,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:44:05,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:44:05,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:44:05,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:44:05,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:44:05,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:44:05,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:44:05,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:44:05,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:44:05,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:44:05,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 19:44:05,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:44:05,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:44:05,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:44:05,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:44:05,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:44:05,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:44:05,471 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:44:05,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:44:05,472 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:44:05,472 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:44:05,472 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:44:05,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:44:05,473 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:44:05,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:44:05,473 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:44:05,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:44:05,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:44:05,474 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:44:05,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:44:05,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:44:05,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:44:05,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:44:05,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:44:05,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:44:05,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:44:05,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:44:05,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:44:05,477 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 19:44:05,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:44:05,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:44:05,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:44:05,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:44:05,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:44:05,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:44:05,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:44:05,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:44:05,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:44:05,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:44:05,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:44:05,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:44:05,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:44:05,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:44:05,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:44:05,481 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 [2021-11-25 19:44:05,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:44:05,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:44:05,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:44:05,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:44:05,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:44:05,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2021-11-25 19:44:05,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/data/fc92a6679/46e9c4c1b1b5447ea02f1573bfd536e9/FLAG919a555aa [2021-11-25 19:44:06,683 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:44:06,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/sv-benchmarks/c/goblint-regression/05-lval_ls_11-fldsense_rc.i [2021-11-25 19:44:06,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/data/fc92a6679/46e9c4c1b1b5447ea02f1573bfd536e9/FLAG919a555aa [2021-11-25 19:44:06,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/data/fc92a6679/46e9c4c1b1b5447ea02f1573bfd536e9 [2021-11-25 19:44:06,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:44:06,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:44:06,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:44:06,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:44:06,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:44:06,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:44:06" (1/1) ... [2021-11-25 19:44:06,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5466d7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:06, skipping insertion in model container [2021-11-25 19:44:06,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:44:06" (1/1) ... [2021-11-25 19:44:06,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:44:07,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:44:07,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:44:07,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:44:07,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:44:07,629 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:44:07,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07 WrapperNode [2021-11-25 19:44:07,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:44:07,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:44:07,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:44:07,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:44:07,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,722 INFO L137 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-25 19:44:07,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:44:07,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:44:07,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:44:07,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:44:07,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:44:07,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:44:07,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:44:07,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:44:07,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (1/1) ... [2021-11-25 19:44:07,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:44:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:44:07,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:44:07,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:44:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:44:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:44:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 19:44:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:44:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:44:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 19:44:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 19:44:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:44:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:44:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:44:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:44:07,899 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 19:44:08,023 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:44:08,025 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:44:08,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:44:08,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:44:08,313 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:44:08,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:44:08 BoogieIcfgContainer [2021-11-25 19:44:08,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:44:08,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:44:08,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:44:08,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:44:08,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:44:06" (1/3) ... [2021-11-25 19:44:08,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1244f846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:44:08, skipping insertion in model container [2021-11-25 19:44:08,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:07" (2/3) ... [2021-11-25 19:44:08,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1244f846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:44:08, skipping insertion in model container [2021-11-25 19:44:08,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:44:08" (3/3) ... [2021-11-25 19:44:08,327 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2021-11-25 19:44:08,334 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 19:44:08,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:44:08,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-25 19:44:08,334 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 19:44:08,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,421 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,421 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,422 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,422 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,457 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:44:08,479 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 19:44:08,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:44:08,554 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:44:08,555 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-25 19:44:08,573 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 19:44:08,591 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 179 flow [2021-11-25 19:44:08,595 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 179 flow [2021-11-25 19:44:08,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 179 flow [2021-11-25 19:44:08,713 INFO L129 PetriNetUnfolder]: 0/86 cut-off events. [2021-11-25 19:44:08,713 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 19:44:08,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 0/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-25 19:44:08,725 INFO L116 LiptonReduction]: Number of co-enabled transitions 1500 [2021-11-25 19:44:12,279 INFO L131 LiptonReduction]: Checked pairs total: 6444 [2021-11-25 19:44:12,279 INFO L133 LiptonReduction]: Total number of compositions: 56 [2021-11-25 19:44:12,291 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2021-11-25 19:44:12,315 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:44:12,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:12,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:12,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:44:12,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:12,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1914284074, now seen corresponding path program 1 times [2021-11-25 19:44:12,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:12,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521897503] [2021-11-25 19:44:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:12,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:44:12,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:12,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521897503] [2021-11-25 19:44:12,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521897503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:12,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:44:12,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:44:12,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970388100] [2021-11-25 19:44:12,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:12,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:44:12,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:12,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:44:12,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:12,907 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:13,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:13,410 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2021-11-25 19:44:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:44:13,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:44:13,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:13,433 INFO L225 Difference]: With dead ends: 383 [2021-11-25 19:44:13,433 INFO L226 Difference]: Without dead ends: 383 [2021-11-25 19:44:13,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:13,439 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:13,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 12 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:44:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-11-25 19:44:13,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2021-11-25 19:44:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2021-11-25 19:44:13,526 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2021-11-25 19:44:13,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:13,526 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2021-11-25 19:44:13,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2021-11-25 19:44:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:44:13,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:13,529 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:13,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:44:13,530 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:44:13,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:13,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2064830540, now seen corresponding path program 1 times [2021-11-25 19:44:13,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:13,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619740365] [2021-11-25 19:44:13,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:13,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:44:13,725 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:13,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619740365] [2021-11-25 19:44:13,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619740365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:13,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:44:13,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:44:13,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700043602] [2021-11-25 19:44:13,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:13,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:44:13,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:13,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:44:13,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:13,730 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:13,987 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2021-11-25 19:44:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:44:13,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-25 19:44:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:13,991 INFO L225 Difference]: With dead ends: 377 [2021-11-25 19:44:13,992 INFO L226 Difference]: Without dead ends: 362 [2021-11-25 19:44:13,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:13,994 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:13,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 16 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:44:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-25 19:44:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2021-11-25 19:44:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2021-11-25 19:44:14,035 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2021-11-25 19:44:14,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:14,036 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2021-11-25 19:44:14,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:14,036 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2021-11-25 19:44:14,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:44:14,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:14,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:14,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:44:14,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:44:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:14,040 INFO L85 PathProgramCache]: Analyzing trace with hash -473996399, now seen corresponding path program 1 times [2021-11-25 19:44:14,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:14,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926194575] [2021-11-25 19:44:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:14,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:44:14,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:14,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926194575] [2021-11-25 19:44:14,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926194575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:14,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:44:14,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:44:14,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740555358] [2021-11-25 19:44:14,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:14,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:44:14,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:14,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:44:14,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:14,214 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:14,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:14,501 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2021-11-25 19:44:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:44:14,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-25 19:44:14,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:14,506 INFO L225 Difference]: With dead ends: 397 [2021-11-25 19:44:14,506 INFO L226 Difference]: Without dead ends: 382 [2021-11-25 19:44:14,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:44:14,509 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:14,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:44:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-25 19:44:14,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2021-11-25 19:44:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2021-11-25 19:44:14,536 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2021-11-25 19:44:14,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:14,536 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2021-11-25 19:44:14,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:44:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2021-11-25 19:44:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 19:44:14,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:14,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:44:14,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:44:14,540 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:44:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:14,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1807356203, now seen corresponding path program 1 times [2021-11-25 19:44:14,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:14,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667192306] [2021-11-25 19:44:14,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:14,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:44:14,603 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:44:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:44:14,662 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:44:14,663 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:44:14,664 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-25 19:44:14,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-25 19:44:14,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2021-11-25 19:44:14,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-11-25 19:44:14,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-25 19:44:14,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-25 19:44:14,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-25 19:44:14,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:44:14,671 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 19:44:14,679 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 19:44:14,682 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:44:14,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:44:14 BasicIcfg [2021-11-25 19:44:14,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:44:14,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:44:14,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:44:14,740 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:44:14,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:44:08" (3/4) ... [2021-11-25 19:44:14,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:44:14,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:44:14,745 INFO L158 Benchmark]: Toolchain (without parser) took 7817.68ms. Allocated memory was 90.2MB in the beginning and 142.6MB in the end (delta: 52.4MB). Free memory was 49.4MB in the beginning and 116.2MB in the end (delta: -66.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:44:14,746 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:44:14,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.03ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 57.8MB in the end (delta: -8.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:44:14,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.15ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:44:14,748 INFO L158 Benchmark]: Boogie Preprocessor took 61.45ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 53.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:44:14,749 INFO L158 Benchmark]: RCFGBuilder took 527.87ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 41.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:44:14,750 INFO L158 Benchmark]: TraceAbstraction took 6421.02ms. Allocated memory was 90.2MB in the beginning and 142.6MB in the end (delta: 52.4MB). Free memory was 40.7MB in the beginning and 116.2MB in the end (delta: -75.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-25 19:44:14,750 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 142.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:44:14,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.03ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 57.8MB in the end (delta: -8.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.15ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.45ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 53.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.87ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 41.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6421.02ms. Allocated memory was 90.2MB in the beginning and 142.6MB in the end (delta: 52.4MB). Free memory was 40.7MB in the beginning and 116.2MB in the end (delta: -75.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 142.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 91 PlacesBefore, 35 PlacesAfterwards, 87 TransitionsBefore, 31 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 56 TotalNumberOfCompositions, 6444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2127, positive: 1779, positive conditional: 0, positive unconditional: 1779, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 963, positive: 884, positive conditional: 0, positive unconditional: 884, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 963, positive: 801, positive conditional: 0, positive unconditional: 801, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 213, negative conditional: 0, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2127, positive: 895, positive conditional: 0, positive unconditional: 895, negative: 269, negative conditional: 0, negative unconditional: 269, unknown: 963, unknown conditional: 0, unknown unconditional: 963] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 683]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; [L690] 0 pthread_t id; [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, m={2:0}] [L693] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=49, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, data.x++=49, id={5:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=49, m={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [683] * C: data.x++ [683] * C: data.x++ [683] * C: data.x++ [693] * C: data.x++ [683] and C: data.x++ [683] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 746 IncrementalHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 44 mSDtfsCounter, 746 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:44:14,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6159204-0404-4793-a4cc-3d6592666e3c/bin/utaipan-eEHZpOm5b7/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