./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI --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 eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f --- 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-5e519f3 [2022-11-03 01:36:06,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:36:06,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:36:06,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:36:06,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:36:06,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:36:06,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:36:06,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:36:06,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:36:06,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:36:06,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:36:06,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:36:06,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:36:06,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:36:06,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:36:06,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:36:06,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:36:06,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:36:06,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:36:06,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:36:06,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:36:06,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:36:06,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:36:06,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:36:06,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:36:06,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:36:06,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:36:06,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:36:06,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:36:06,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:36:06,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:36:06,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:36:06,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:36:06,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:36:06,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:36:06,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:36:06,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:36:06,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:36:06,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:36:06,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:36:06,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:36:06,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:36:06,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:36:06,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:36:06,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:36:06,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:36:06,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:36:06,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:36:06,507 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:36:06,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:36:06,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:36:06,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:36:06,508 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:36:06,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:36:06,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:36:06,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:36:06,509 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:36:06,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:36:06,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:36:06,509 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:36:06,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:36:06,510 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:36:06,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:36:06,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:36:06,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:36:06,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:36:06,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:36:06,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:36:06,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:36:06,512 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:36:06,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:36:06,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:36:06,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:36:06,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:36:06,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:36:06,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:36:06,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:06,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:36:06,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:36:06,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:36:06,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:36:06,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:36:06,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:36:06,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:36:06,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:36:06,517 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_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f [2022-11-03 01:36:06,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:36:06,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:36:06,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:36:06,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:36:06,906 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:36:06,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-11-03 01:36:06,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/data/5dc45338a/d1cca13b23f24a18a6c75e0a0043c06a/FLAGab5005629 [2022-11-03 01:36:07,523 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:36:07,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-11-03 01:36:07,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/data/5dc45338a/d1cca13b23f24a18a6c75e0a0043c06a/FLAGab5005629 [2022-11-03 01:36:07,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/data/5dc45338a/d1cca13b23f24a18a6c75e0a0043c06a [2022-11-03 01:36:07,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:36:07,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:36:07,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:07,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:36:07,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:36:07,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:07" (1/1) ... [2022-11-03 01:36:07,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61011d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:07, skipping insertion in model container [2022-11-03 01:36:07,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:07" (1/1) ... [2022-11-03 01:36:07,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:36:07,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:36:08,144 WARN L230 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_8bb376b8-69cb-4938-aa41-903767520053/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-11-03 01:36:08,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:08,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:36:08,375 WARN L230 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_8bb376b8-69cb-4938-aa41-903767520053/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-11-03 01:36:08,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:08,463 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:36:08,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08 WrapperNode [2022-11-03 01:36:08,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:08,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:08,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:36:08,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:36:08,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,539 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-03 01:36:08,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:08,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:36:08,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:36:08,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:36:08,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:36:08,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:36:08,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:36:08,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:36:08,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (1/1) ... [2022-11-03 01:36:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:08,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:08,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:36:08,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:36:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:36:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:36:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:36:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:36:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 01:36:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 01:36:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:36:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:36:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:36:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:36:08,721 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:36:08,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:36:08,888 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:36:09,158 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:36:09,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:36:09,165 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:36:09,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:09 BoogieIcfgContainer [2022-11-03 01:36:09,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:36:09,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:36:09,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:36:09,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:36:09,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:07" (1/3) ... [2022-11-03 01:36:09,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d882143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:09, skipping insertion in model container [2022-11-03 01:36:09,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:08" (2/3) ... [2022-11-03 01:36:09,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d882143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:09, skipping insertion in model container [2022-11-03 01:36:09,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:09" (3/3) ... [2022-11-03 01:36:09,194 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-11-03 01:36:09,204 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:36:09,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:36:09,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 01:36:09,216 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:36:09,296 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 01:36:09,382 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:36:09,399 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 83 transitions, 171 flow [2022-11-03 01:36:09,403 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 83 transitions, 171 flow [2022-11-03 01:36:09,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 171 flow [2022-11-03 01:36:09,492 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-11-03 01:36:09,493 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 01:36:09,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2022-11-03 01:36:09,498 INFO L118 LiptonReduction]: Number of co-enabled transitions 1050 [2022-11-03 01:36:12,927 INFO L133 LiptonReduction]: Checked pairs total: 7211 [2022-11-03 01:36:12,927 INFO L135 LiptonReduction]: Total number of compositions: 73 [2022-11-03 01:36:12,955 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 55 flow [2022-11-03 01:36:13,003 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 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) [2022-11-03 01:36:13,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:36:13,088 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;@54a33c38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:36:13,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-03 01:36:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 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) [2022-11-03 01:36:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 01:36:13,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:13,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:13,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-03 01:36:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1849768227, now seen corresponding path program 1 times [2022-11-03 01:36:13,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:13,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824275054] [2022-11-03 01:36:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:36:13,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:13,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824275054] [2022-11-03 01:36:13,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824275054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:13,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:13,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:36:13,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460970255] [2022-11-03 01:36:13,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:13,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:36:13,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:13,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:36:13,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:36:13,415 INFO L87 Difference]: Start difference. First operand has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:36:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:13,525 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2022-11-03 01:36:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:36:13,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 01:36:13,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:13,543 INFO L225 Difference]: With dead ends: 125 [2022-11-03 01:36:13,543 INFO L226 Difference]: Without dead ends: 125 [2022-11-03 01:36:13,544 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 [2022-11-03 01:36:13,551 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:13,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:36:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-03 01:36:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2022-11-03 01:36:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 115 states have (on average 1.8608695652173912) internal successors, (214), 119 states have internal predecessors, (214), 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) [2022-11-03 01:36:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2022-11-03 01:36:13,614 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 214 transitions. Word has length 7 [2022-11-03 01:36:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:13,614 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 214 transitions. [2022-11-03 01:36:13,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:36:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2022-11-03 01:36:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 01:36:13,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:13,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:13,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:36:13,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-03 01:36:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1847957522, now seen corresponding path program 1 times [2022-11-03 01:36:13,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:13,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562971667] [2022-11-03 01:36:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:13,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:36:13,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:13,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562971667] [2022-11-03 01:36:13,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562971667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:13,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:13,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:36:13,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704402181] [2022-11-03 01:36:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:13,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:36:13,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:13,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:36:13,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:36:13,761 INFO L87 Difference]: Start difference. First operand 120 states and 214 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:36:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:13,832 INFO L93 Difference]: Finished difference Result 128 states and 225 transitions. [2022-11-03 01:36:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:36:13,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 01:36:13,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:13,835 INFO L225 Difference]: With dead ends: 128 [2022-11-03 01:36:13,835 INFO L226 Difference]: Without dead ends: 113 [2022-11-03 01:36:13,836 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 [2022-11-03 01:36:13,837 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:13,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:36:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-03 01:36:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2022-11-03 01:36:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.8155339805825244) internal successors, (187), 106 states have internal predecessors, (187), 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) [2022-11-03 01:36:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 187 transitions. [2022-11-03 01:36:13,849 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 187 transitions. Word has length 7 [2022-11-03 01:36:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:13,849 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 187 transitions. [2022-11-03 01:36:13,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:36:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2022-11-03 01:36:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:36:13,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:13,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:13,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:36:13,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-03 01:36:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -953848263, now seen corresponding path program 1 times [2022-11-03 01:36:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:13,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104243878] [2022-11-03 01:36:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:36:14,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:14,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104243878] [2022-11-03 01:36:14,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104243878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:14,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:14,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:36:14,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904211180] [2022-11-03 01:36:14,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:14,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:36:14,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:14,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:36:14,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:36:14,176 INFO L87 Difference]: Start difference. First operand 107 states and 187 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 01:36:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:14,223 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2022-11-03 01:36:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:36:14,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-03 01:36:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:14,227 INFO L225 Difference]: With dead ends: 46 [2022-11-03 01:36:14,228 INFO L226 Difference]: Without dead ends: 46 [2022-11-03 01:36:14,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:36:14,230 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:14,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:36:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-03 01:36:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-03 01:36:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 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) [2022-11-03 01:36:14,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2022-11-03 01:36:14,245 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 11 [2022-11-03 01:36:14,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:14,245 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2022-11-03 01:36:14,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 01:36:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-11-03 01:36:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:36:14,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:14,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:14,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:36:14,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-03 01:36:14,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1971895625, now seen corresponding path program 1 times [2022-11-03 01:36:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:14,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692300921] [2022-11-03 01:36:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:14,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:36:14,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:14,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692300921] [2022-11-03 01:36:14,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692300921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:14,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:14,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:36:14,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518331040] [2022-11-03 01:36:14,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:14,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:36:14,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:36:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:36:14,328 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 01:36:14,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:14,352 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2022-11-03 01:36:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:36:14,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-03 01:36:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:14,353 INFO L225 Difference]: With dead ends: 42 [2022-11-03 01:36:14,353 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:36:14,354 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 [2022-11-03 01:36:14,355 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:14,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:36:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:36:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:36:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-03 01:36:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:36:14,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-03 01:36:14,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:14,357 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:36:14,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 01:36:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:36:14,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:36:14,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-11-03 01:36:14,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-11-03 01:36:14,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-03 01:36:14,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-11-03 01:36:14,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-11-03 01:36:14,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:36:14,365 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 01:36:14,370 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 01:36:14,370 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:36:14,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:36:14 BasicIcfg [2022-11-03 01:36:14,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:36:14,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:36:14,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:36:14,374 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:36:14,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:09" (3/4) ... [2022-11-03 01:36:14,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:36:14,385 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-03 01:36:14,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 01:36:14,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 01:36:14,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:36:14,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:36:14,421 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:36:14,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:36:14,423 INFO L158 Benchmark]: Toolchain (without parser) took 6557.20ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 52.3MB in the beginning and 112.4MB in the end (delta: -60.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:14,423 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:14,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.22ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 61.1MB in the end (delta: -9.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-03 01:36:14,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.53ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 59.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:36:14,424 INFO L158 Benchmark]: Boogie Preprocessor took 55.19ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 57.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:14,424 INFO L158 Benchmark]: RCFGBuilder took 571.86ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 44.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:36:14,425 INFO L158 Benchmark]: TraceAbstraction took 5202.92ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 44.2MB in the beginning and 114.5MB in the end (delta: -70.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:14,425 INFO L158 Benchmark]: Witness Printer took 47.83ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:14,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.22ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 61.1MB in the end (delta: -9.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.53ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 59.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.19ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 57.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.86ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 44.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5202.92ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 44.2MB in the beginning and 114.5MB in the end (delta: -70.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.83ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 86 PlacesBefore, 28 PlacesAfterwards, 83 TransitionsBefore, 25 TransitionsAfterwards, 1050 CoEnabledTransitionPairs, 15 FixpointIterations, 30 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 73 TotalNumberOfCompositions, 7211 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3172, positive: 2577, positive conditional: 0, positive unconditional: 2577, negative: 595, negative conditional: 0, negative unconditional: 595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 799, positive: 744, positive conditional: 0, positive unconditional: 744, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 799, positive: 655, positive conditional: 0, positive unconditional: 655, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 144, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3172, positive: 1833, positive conditional: 0, positive unconditional: 1833, negative: 540, negative conditional: 0, negative unconditional: 540, unknown: 799, unknown conditional: 0, unknown unconditional: 799] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - 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 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=1, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 01:36:14,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb376b8-69cb-4938-aa41-903767520053/bin/utaipan-7li7fVZpFI/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 Result: TRUE