./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS --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 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c --- 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-8393723 [2022-11-19 07:48:52,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:48:52,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:48:52,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:48:52,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:48:52,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:48:52,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:48:52,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:48:52,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:48:52,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:48:52,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:48:52,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:48:52,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:48:52,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:48:52,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:48:52,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:48:52,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:48:52,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:48:52,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:48:52,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:48:52,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:48:52,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:48:52,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:48:52,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:48:52,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:48:52,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:48:52,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:48:52,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:48:52,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:48:52,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:48:52,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:48:52,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:48:52,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:48:52,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:48:52,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:48:52,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:48:52,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:48:52,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:48:52,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:48:52,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:48:52,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:48:52,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:48:52,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:48:52,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:48:52,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:48:52,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:48:52,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:48:52,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:48:52,632 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:48:52,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:48:52,632 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:48:52,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:48:52,633 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:48:52,633 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:48:52,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:48:52,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:48:52,634 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:48:52,634 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:48:52,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:48:52,639 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:48:52,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:48:52,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:48:52,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:48:52,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:48:52,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:48:52,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:48:52,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:48:52,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:48:52,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:48:52,643 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:48:52,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:48:52,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:48:52,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:48:52,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:48:52,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:48:52,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:48:52,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:52,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:48:52,646 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:48:52,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:48:52,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:48:52,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:48:52,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:48:52,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:48:52,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:48:52,649 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_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c [2022-11-19 07:48:52,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:48:52,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:48:52,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:48:52,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:48:52,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:48:52,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread/twostage_3.i [2022-11-19 07:48:53,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/data/6b54a47f2/c889d9e9c498457d8f697c60ac714373/FLAG13510fd42 [2022-11-19 07:48:53,691 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:48:53,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/sv-benchmarks/c/pthread/twostage_3.i [2022-11-19 07:48:53,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/data/6b54a47f2/c889d9e9c498457d8f697c60ac714373/FLAG13510fd42 [2022-11-19 07:48:53,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/data/6b54a47f2/c889d9e9c498457d8f697c60ac714373 [2022-11-19 07:48:53,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:48:53,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:48:53,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:53,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:48:53,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:48:53,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:53" (1/1) ... [2022-11-19 07:48:53,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f54b882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:53, skipping insertion in model container [2022-11-19 07:48:53,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:53" (1/1) ... [2022-11-19 07:48:53,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:48:54,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:48:54,713 WARN L234 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_684407fe-4634-4a7c-a5e4-13ed47850d0a/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-19 07:48:54,756 WARN L1568 CHandler]: Possible shadowing of function lock [2022-11-19 07:48:54,761 WARN L1568 CHandler]: Possible shadowing of function lock [2022-11-19 07:48:54,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:54,774 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:48:54,864 WARN L234 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_684407fe-4634-4a7c-a5e4-13ed47850d0a/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-19 07:48:54,897 WARN L1568 CHandler]: Possible shadowing of function lock [2022-11-19 07:48:54,901 WARN L1568 CHandler]: Possible shadowing of function lock [2022-11-19 07:48:54,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:55,002 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:48:55,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55 WrapperNode [2022-11-19 07:48:55,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:55,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:55,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:48:55,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:48:55,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,110 INFO L138 Inliner]: procedures = 372, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 237 [2022-11-19 07:48:55,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:55,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:48:55,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:48:55,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:48:55,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:48:55,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:48:55,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:48:55,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:48:55,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (1/1) ... [2022-11-19 07:48:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:55,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:48:55,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:48:55,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684407fe-4634-4a7c-a5e4-13ed47850d0a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:48:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2022-11-19 07:48:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2022-11-19 07:48:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2022-11-19 07:48:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:48:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:48:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:48:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:48:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:48:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:48:55,330 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:48:55,559 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:48:55,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:48:56,375 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:48:56,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:48:56,387 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:48:56,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56 BoogieIcfgContainer [2022-11-19 07:48:56,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:48:56,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:48:56,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:48:56,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:48:56,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:53" (1/3) ... [2022-11-19 07:48:56,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456856c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2022-11-19 07:48:56,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:55" (2/3) ... [2022-11-19 07:48:56,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456856c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2022-11-19 07:48:56,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56" (3/3) ... [2022-11-19 07:48:56,412 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2022-11-19 07:48:56,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:48:56,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:48:56,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-19 07:48:56,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:48:56,590 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-19 07:48:56,649 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:48:56,666 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 341 transitions, 704 flow [2022-11-19 07:48:56,669 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 341 transitions, 704 flow [2022-11-19 07:48:56,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 341 transitions, 704 flow [2022-11-19 07:48:56,931 INFO L130 PetriNetUnfolder]: 39/662 cut-off events. [2022-11-19 07:48:56,932 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-19 07:48:56,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 662 events. 39/662 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2746 event pairs, 0 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 360. Up to 8 conditions per place. [2022-11-19 07:48:56,960 INFO L119 LiptonReduction]: Number of co-enabled transitions 20182 [2022-11-19 07:49:47,515 WARN L233 SmtUtils]: Spent 25.12s on a formula simplification. DAG size of input: 286 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:02,182 WARN L233 SmtUtils]: Spent 14.66s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:30,492 WARN L233 SmtUtils]: Spent 28.31s on a formula simplification. DAG size of input: 299 DAG size of output: 295 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:44,884 WARN L233 SmtUtils]: Spent 14.39s on a formula simplification that was a NOOP. DAG size: 287 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:45,097 INFO L134 LiptonReduction]: Checked pairs total: 74087 [2022-11-19 07:50:45,097 INFO L136 LiptonReduction]: Total number of compositions: 432 [2022-11-19 07:50:45,108 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 81 transitions, 184 flow [2022-11-19 07:50:45,360 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6236 states, 5591 states have (on average 3.069039527812556) internal successors, (17159), 6235 states have internal predecessors, (17159), 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) [2022-11-19 07:50:45,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:50:45,393 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;@491982bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:50:45,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2022-11-19 07:50:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 6236 states, 5591 states have (on average 3.069039527812556) internal successors, (17159), 6235 states have internal predecessors, (17159), 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) [2022-11-19 07:50:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:50:45,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:45,422 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:50:45,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-19 07:50:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1267, now seen corresponding path program 1 times [2022-11-19 07:50:45,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:50:45,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089164632] [2022-11-19 07:50:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:45,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:50:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:50:45,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:50:45,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089164632] [2022-11-19 07:50:45,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089164632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:45,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:45,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:50:45,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765961476] [2022-11-19 07:50:45,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:45,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:50:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:50:45,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:50:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:50:45,665 INFO L87 Difference]: Start difference. First operand has 6236 states, 5591 states have (on average 3.069039527812556) internal successors, (17159), 6235 states have internal predecessors, (17159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:50:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:45,815 INFO L93 Difference]: Finished difference Result 2586 states and 6945 transitions. [2022-11-19 07:50:45,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:50:45,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-19 07:50:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:45,847 INFO L225 Difference]: With dead ends: 2586 [2022-11-19 07:50:45,848 INFO L226 Difference]: Without dead ends: 2484 [2022-11-19 07:50:45,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:50:45,852 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:45,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:50:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-11-19 07:50:46,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2484. [2022-11-19 07:50:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2484 states, 2427 states have (on average 2.749896992171405) internal successors, (6674), 2483 states have internal predecessors, (6674), 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) [2022-11-19 07:50:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 6674 transitions. [2022-11-19 07:50:46,056 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 6674 transitions. Word has length 1 [2022-11-19 07:50:46,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:46,057 INFO L495 AbstractCegarLoop]: Abstraction has 2484 states and 6674 transitions. [2022-11-19 07:50:46,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 07:50:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 6674 transitions. [2022-11-19 07:50:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:50:46,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:46,062 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-19 07:50:46,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:50:46,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-19 07:50:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1200597286, now seen corresponding path program 1 times [2022-11-19 07:50:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:50:46,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377429467] [2022-11-19 07:50:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:50:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:46,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:50:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:50:46,412 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:50:46,413 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:50:46,415 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 47 remaining) [2022-11-19 07:50:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2022-11-19 07:50:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2022-11-19 07:50:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2022-11-19 07:50:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2022-11-19 07:50:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2022-11-19 07:50:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2022-11-19 07:50:46,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2022-11-19 07:50:46,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2022-11-19 07:50:46,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2022-11-19 07:50:46,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2022-11-19 07:50:46,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2022-11-19 07:50:46,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2022-11-19 07:50:46,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2022-11-19 07:50:46,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2022-11-19 07:50:46,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2022-11-19 07:50:46,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2022-11-19 07:50:46,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2022-11-19 07:50:46,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2022-11-19 07:50:46,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2022-11-19 07:50:46,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2022-11-19 07:50:46,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2022-11-19 07:50:46,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2022-11-19 07:50:46,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2022-11-19 07:50:46,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2022-11-19 07:50:46,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (21 of 47 remaining) [2022-11-19 07:50:46,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (20 of 47 remaining) [2022-11-19 07:50:46,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 47 remaining) [2022-11-19 07:50:46,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (18 of 47 remaining) [2022-11-19 07:50:46,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (17 of 47 remaining) [2022-11-19 07:50:46,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining) [2022-11-19 07:50:46,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2022-11-19 07:50:46,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2022-11-19 07:50:46,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2022-11-19 07:50:46,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2022-11-19 07:50:46,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2022-11-19 07:50:46,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2022-11-19 07:50:46,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2022-11-19 07:50:46,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2022-11-19 07:50:46,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2022-11-19 07:50:46,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2022-11-19 07:50:46,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2022-11-19 07:50:46,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2022-11-19 07:50:46,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2022-11-19 07:50:46,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2022-11-19 07:50:46,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2022-11-19 07:50:46,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2022-11-19 07:50:46,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:50:46,433 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 07:50:46,436 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:50:46,436 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-19 07:50:46,494 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-19 07:50:46,500 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:50:46,501 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 420 transitions, 888 flow [2022-11-19 07:50:46,501 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 420 transitions, 888 flow [2022-11-19 07:50:46,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 420 transitions, 888 flow [2022-11-19 07:50:47,042 INFO L130 PetriNetUnfolder]: 155/1973 cut-off events. [2022-11-19 07:50:47,043 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-11-19 07:50:47,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 1973 events. 155/1973 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 12218 event pairs, 1 based on Foata normal form. 0/1654 useless extension candidates. Maximal degree in co-relation 1159. Up to 32 conditions per place. [2022-11-19 07:50:47,215 INFO L119 LiptonReduction]: Number of co-enabled transitions 52456 [2022-11-19 07:51:42,583 WARN L233 SmtUtils]: Spent 28.11s on a formula simplification. DAG size of input: 286 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:51:56,667 WARN L233 SmtUtils]: Spent 14.08s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:22,033 WARN L233 SmtUtils]: Spent 25.36s on a formula simplification. DAG size of input: 302 DAG size of output: 296 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:35,011 WARN L233 SmtUtils]: Spent 12.97s on a formula simplification that was a NOOP. DAG size: 287 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:35,450 INFO L134 LiptonReduction]: Checked pairs total: 282194 [2022-11-19 07:52:35,450 INFO L136 LiptonReduction]: Total number of compositions: 523 [2022-11-19 07:52:35,452 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 128 transitions, 304 flow