./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:25:18,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:25:18,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:25:18,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:25:18,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:25:18,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:25:18,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:25:18,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:25:18,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:25:18,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:25:18,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:25:18,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:25:18,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:25:18,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:25:18,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:25:18,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:25:18,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:25:18,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:25:18,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:25:18,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:25:18,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:25:18,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:25:18,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:25:18,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:25:18,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:25:18,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:25:18,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:25:18,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:25:18,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:25:18,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:25:18,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:25:18,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:25:18,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:25:18,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:25:18,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:25:18,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:25:18,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:25:18,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:25:18,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:25:18,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:25:18,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:25:18,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 07:25:18,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:25:18,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:25:18,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:25:18,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:25:18,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:25:18,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:25:18,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:25:18,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:25:18,644 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:25:18,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:25:18,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:25:18,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:25:18,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:25:18,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:25:18,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:25:18,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:25:18,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:25:18,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:25:18,648 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 07:25:18,648 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:25:18,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:25:18,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:25:18,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:25:18,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:25:18,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:25:18,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:25:18,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:25:18,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:25:18,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:25:18,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:25:18,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:25:18,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:25:18,653 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:25:18,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:25:18,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:25:18,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:25:18,654 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_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 [2021-11-20 07:25:18,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:25:18,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:25:18,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:25:18,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:25:18,960 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:25:18,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-20 07:25:19,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/data/6282d12fd/f51ae52a9bae4668b1e08d48d2c97cd7/FLAG07b84288f [2021-11-20 07:25:19,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:25:19,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-20 07:25:19,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/data/6282d12fd/f51ae52a9bae4668b1e08d48d2c97cd7/FLAG07b84288f [2021-11-20 07:25:19,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/data/6282d12fd/f51ae52a9bae4668b1e08d48d2c97cd7 [2021-11-20 07:25:19,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:25:19,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:25:19,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:25:19,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:25:19,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:25:19,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:19" (1/1) ... [2021-11-20 07:25:19,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8a3930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:19, skipping insertion in model container [2021-11-20 07:25:19,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:19" (1/1) ... [2021-11-20 07:25:19,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:25:19,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:25:20,280 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_2ddb401d-6198-42f1-ad36-21ee657d491b/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-20 07:25:20,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:25:20,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:25:20,364 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_2ddb401d-6198-42f1-ad36-21ee657d491b/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-20 07:25:20,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:25:20,417 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:25:20,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20 WrapperNode [2021-11-20 07:25:20,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:25:20,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:25:20,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:25:20,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:25:20,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,496 INFO L137 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 167 [2021-11-20 07:25:20,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:25:20,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:25:20,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:25:20,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:25:20,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:25:20,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:25:20,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:25:20,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:25:20,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (1/1) ... [2021-11-20 07:25:20,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:25:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:20,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:25:20,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:25:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:25:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:25:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:25:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-20 07:25:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-20 07:25:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:25:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:25:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:25:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:25:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:25:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-20 07:25:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-20 07:25:20,621 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:25:20,724 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:25:20,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:25:21,064 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:25:21,200 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:25:21,200 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:25:21,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:21 BoogieIcfgContainer [2021-11-20 07:25:21,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:25:21,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:25:21,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:25:21,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:25:21,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:25:19" (1/3) ... [2021-11-20 07:25:21,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af23034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:25:21, skipping insertion in model container [2021-11-20 07:25:21,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:20" (2/3) ... [2021-11-20 07:25:21,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af23034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:25:21, skipping insertion in model container [2021-11-20 07:25:21,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:21" (3/3) ... [2021-11-20 07:25:21,212 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2021-11-20 07:25:21,218 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:25:21,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:25:21,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-20 07:25:21,219 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:25:21,263 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,263 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,263 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,264 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,264 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,264 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,264 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,265 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,265 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,265 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,265 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,266 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,266 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,266 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,266 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,267 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,267 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,267 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,267 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,268 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,268 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,268 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,268 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,268 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,269 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,269 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,269 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,269 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,270 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,270 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,270 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,271 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,271 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,271 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,271 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,272 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,272 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,272 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,272 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,273 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,273 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,273 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,273 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,274 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,274 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,275 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,275 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,275 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,275 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,276 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,276 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,276 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,277 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,277 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,278 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,278 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,278 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,278 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,279 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,279 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,279 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,279 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,279 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,280 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,280 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,280 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,280 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,281 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,281 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,281 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,281 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,282 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,282 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,282 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,282 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,282 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,283 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,283 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,283 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,283 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,284 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,284 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,284 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,284 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,285 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,285 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,285 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,286 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,286 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,286 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,287 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,287 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,287 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,287 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,288 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,288 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,288 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,288 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,289 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,289 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,290 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,290 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,290 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,290 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,291 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,291 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,291 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,291 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,292 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,293 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,293 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,293 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,293 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,293 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,294 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,294 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,294 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,294 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,295 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,295 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,295 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,295 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,296 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,296 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,296 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,296 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,296 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,297 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,302 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,302 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,303 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,303 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,303 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,303 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,303 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,304 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,304 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,305 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,305 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,305 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,306 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,306 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,306 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,307 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,307 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,307 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,307 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,308 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,308 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,308 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,309 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,309 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,310 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,310 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,311 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,311 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,311 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,311 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,312 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,312 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,312 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,312 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,313 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,313 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,313 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,314 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,315 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,315 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,315 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,315 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,316 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,316 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,316 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,318 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,320 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,320 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,320 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,321 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,322 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,322 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,322 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,322 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,323 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,323 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,323 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,323 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,323 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,324 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,324 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,324 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,325 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,325 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,326 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,326 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,326 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,327 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,328 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,328 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,328 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,329 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,329 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,329 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,329 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,329 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,330 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,330 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,330 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,331 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,332 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,334 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,335 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,335 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,335 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,336 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,336 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,337 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,337 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,337 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,338 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,343 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,346 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,348 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,349 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,349 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,349 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,350 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,351 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,351 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,354 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,354 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,355 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,355 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,355 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,364 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,365 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,366 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,366 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,366 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,367 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,368 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,368 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,369 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,370 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,370 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:25:21,373 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-20 07:25:21,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:25:21,435 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:25:21,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-20 07:25:21,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 196 transitions, 424 flow [2021-11-20 07:25:21,523 INFO L129 PetriNetUnfolder]: 2/192 cut-off events. [2021-11-20 07:25:21,523 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 07:25:21,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 192 events. 2/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 362 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2021-11-20 07:25:21,531 INFO L82 GeneralOperation]: Start removeDead. Operand has 207 places, 196 transitions, 424 flow [2021-11-20 07:25:21,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 178 transitions, 377 flow [2021-11-20 07:25:21,545 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-11-20 07:25:21,545 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:25:21,546 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:21,546 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:21,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash 842558237, now seen corresponding path program 1 times [2021-11-20 07:25:21,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:21,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818494053] [2021-11-20 07:25:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:21,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:21,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:21,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818494053] [2021-11-20 07:25:21,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818494053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:21,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:21,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 07:25:21,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927139222] [2021-11-20 07:25:21,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:21,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:25:21,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:21,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:25:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:25:21,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 196 [2021-11-20 07:25:21,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 178 transitions, 377 flow. Second operand has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:21,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:21,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 196 [2021-11-20 07:25:21,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:22,174 INFO L129 PetriNetUnfolder]: 119/1187 cut-off events. [2021-11-20 07:25:22,175 INFO L130 PetriNetUnfolder]: For 102/102 co-relation queries the response was YES. [2021-11-20 07:25:22,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1464 conditions, 1187 events. 119/1187 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8221 event pairs, 119 based on Foata normal form. 28/1008 useless extension candidates. Maximal degree in co-relation 1267. Up to 203 conditions per place. [2021-11-20 07:25:22,198 INFO L132 encePairwiseOnDemand]: 178/196 looper letters, 13 selfloop transitions, 0 changer transitions 0/158 dead transitions. [2021-11-20 07:25:22,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 158 transitions, 363 flow [2021-11-20 07:25:22,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:25:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-20 07:25:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 355 transitions. [2021-11-20 07:25:22,221 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9056122448979592 [2021-11-20 07:25:22,222 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 355 transitions. [2021-11-20 07:25:22,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 355 transitions. [2021-11-20 07:25:22,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:22,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 355 transitions. [2021-11-20 07:25:22,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 177.5) internal successors, (355), 2 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:22,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:22,237 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:22,238 INFO L186 Difference]: Start difference. First operand has 189 places, 178 transitions, 377 flow. Second operand 2 states and 355 transitions. [2021-11-20 07:25:22,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 158 transitions, 363 flow [2021-11-20 07:25:22,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 158 transitions, 350 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 07:25:22,249 INFO L242 Difference]: Finished difference. Result has 165 places, 158 transitions, 324 flow [2021-11-20 07:25:22,251 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=324, PETRI_PLACES=165, PETRI_TRANSITIONS=158} [2021-11-20 07:25:22,255 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -24 predicate places. [2021-11-20 07:25:22,256 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 158 transitions, 324 flow [2021-11-20 07:25:22,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:22,256 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:22,257 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:22,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:25:22,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:22,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:22,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1016769568, now seen corresponding path program 1 times [2021-11-20 07:25:22,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:22,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206855024] [2021-11-20 07:25:22,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:22,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:22,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:22,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206855024] [2021-11-20 07:25:22,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206855024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:22,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:22,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:22,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119265668] [2021-11-20 07:25:22,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:22,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:22,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:22,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:22,379 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 196 [2021-11-20 07:25:22,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 158 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:22,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:22,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 196 [2021-11-20 07:25:22,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:26,620 INFO L129 PetriNetUnfolder]: 11193/23638 cut-off events. [2021-11-20 07:25:26,620 INFO L130 PetriNetUnfolder]: For 459/459 co-relation queries the response was YES. [2021-11-20 07:25:26,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40256 conditions, 23638 events. 11193/23638 cut-off events. For 459/459 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 238723 event pairs, 7860 based on Foata normal form. 0/18379 useless extension candidates. Maximal degree in co-relation 40253. Up to 12581 conditions per place. [2021-11-20 07:25:26,982 INFO L132 encePairwiseOnDemand]: 187/196 looper letters, 50 selfloop transitions, 8 changer transitions 0/183 dead transitions. [2021-11-20 07:25:26,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 183 transitions, 494 flow [2021-11-20 07:25:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2021-11-20 07:25:26,987 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8248299319727891 [2021-11-20 07:25:26,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2021-11-20 07:25:26,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2021-11-20 07:25:26,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:26,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2021-11-20 07:25:26,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:26,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:26,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:26,996 INFO L186 Difference]: Start difference. First operand has 165 places, 158 transitions, 324 flow. Second operand 3 states and 485 transitions. [2021-11-20 07:25:26,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 183 transitions, 494 flow [2021-11-20 07:25:27,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 183 transitions, 494 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:25:27,007 INFO L242 Difference]: Finished difference. Result has 169 places, 165 transitions, 386 flow [2021-11-20 07:25:27,007 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=169, PETRI_TRANSITIONS=165} [2021-11-20 07:25:27,010 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -20 predicate places. [2021-11-20 07:25:27,011 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 165 transitions, 386 flow [2021-11-20 07:25:27,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:27,011 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:27,012 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:27,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:25:27,012 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1778422134, now seen corresponding path program 1 times [2021-11-20 07:25:27,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:27,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365241584] [2021-11-20 07:25:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:27,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:27,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:27,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365241584] [2021-11-20 07:25:27,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365241584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:27,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:27,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:27,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064003217] [2021-11-20 07:25:27,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:27,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:27,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:27,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:27,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:27,135 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 196 [2021-11-20 07:25:27,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 165 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:27,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:27,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 196 [2021-11-20 07:25:27,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:28,725 INFO L129 PetriNetUnfolder]: 2763/9036 cut-off events. [2021-11-20 07:25:28,725 INFO L130 PetriNetUnfolder]: For 299/337 co-relation queries the response was YES. [2021-11-20 07:25:28,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14270 conditions, 9036 events. 2763/9036 cut-off events. For 299/337 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 96381 event pairs, 1892 based on Foata normal form. 0/6964 useless extension candidates. Maximal degree in co-relation 14265. Up to 2812 conditions per place. [2021-11-20 07:25:28,859 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 27 selfloop transitions, 7 changer transitions 0/178 dead transitions. [2021-11-20 07:25:28,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 178 transitions, 484 flow [2021-11-20 07:25:28,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2021-11-20 07:25:28,861 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2021-11-20 07:25:28,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 497 transitions. [2021-11-20 07:25:28,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 497 transitions. [2021-11-20 07:25:28,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:28,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 497 transitions. [2021-11-20 07:25:28,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:28,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:28,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:28,867 INFO L186 Difference]: Start difference. First operand has 169 places, 165 transitions, 386 flow. Second operand 3 states and 497 transitions. [2021-11-20 07:25:28,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 178 transitions, 484 flow [2021-11-20 07:25:28,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 178 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:25:28,879 INFO L242 Difference]: Finished difference. Result has 171 places, 171 transitions, 424 flow [2021-11-20 07:25:28,879 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2021-11-20 07:25:28,880 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -18 predicate places. [2021-11-20 07:25:28,881 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 424 flow [2021-11-20 07:25:28,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:28,881 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:28,882 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:28,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:25:28,882 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1739064756, now seen corresponding path program 1 times [2021-11-20 07:25:28,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:28,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375117130] [2021-11-20 07:25:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:28,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:28,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:28,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375117130] [2021-11-20 07:25:28,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375117130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:28,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:28,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:28,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097689822] [2021-11-20 07:25:28,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:28,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:28,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:28,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:28,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:28,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 196 [2021-11-20 07:25:28,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:28,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:28,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 196 [2021-11-20 07:25:28,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:35,525 INFO L129 PetriNetUnfolder]: 19347/52753 cut-off events. [2021-11-20 07:25:35,525 INFO L130 PetriNetUnfolder]: For 12384/15285 co-relation queries the response was YES. [2021-11-20 07:25:35,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98547 conditions, 52753 events. 19347/52753 cut-off events. For 12384/15285 co-relation queries the response was YES. Maximal size of possible extension queue 2059. Compared 690013 event pairs, 6362 based on Foata normal form. 32/42412 useless extension candidates. Maximal degree in co-relation 98541. Up to 16207 conditions per place. [2021-11-20 07:25:36,475 INFO L132 encePairwiseOnDemand]: 182/196 looper letters, 59 selfloop transitions, 15 changer transitions 0/205 dead transitions. [2021-11-20 07:25:36,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 205 transitions, 692 flow [2021-11-20 07:25:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2021-11-20 07:25:36,478 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8367346938775511 [2021-11-20 07:25:36,479 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2021-11-20 07:25:36,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2021-11-20 07:25:36,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:36,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2021-11-20 07:25:36,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:36,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:36,484 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:36,485 INFO L186 Difference]: Start difference. First operand has 171 places, 171 transitions, 424 flow. Second operand 3 states and 492 transitions. [2021-11-20 07:25:36,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 205 transitions, 692 flow [2021-11-20 07:25:36,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 205 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:25:36,587 INFO L242 Difference]: Finished difference. Result has 173 places, 186 transitions, 560 flow [2021-11-20 07:25:36,588 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=173, PETRI_TRANSITIONS=186} [2021-11-20 07:25:36,588 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -16 predicate places. [2021-11-20 07:25:36,589 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 186 transitions, 560 flow [2021-11-20 07:25:36,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:36,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:36,590 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:36,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:25:36,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1715532253, now seen corresponding path program 1 times [2021-11-20 07:25:36,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:36,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098593887] [2021-11-20 07:25:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:36,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:36,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098593887] [2021-11-20 07:25:36,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098593887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:36,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:36,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:25:36,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296167147] [2021-11-20 07:25:36,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:36,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:25:36,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:36,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:25:36,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:25:36,756 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 196 [2021-11-20 07:25:36,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 186 transitions, 560 flow. Second operand has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:36,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:36,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 196 [2021-11-20 07:25:36,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:41,638 INFO L129 PetriNetUnfolder]: 11513/44100 cut-off events. [2021-11-20 07:25:41,638 INFO L130 PetriNetUnfolder]: For 14229/17944 co-relation queries the response was YES. [2021-11-20 07:25:41,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79862 conditions, 44100 events. 11513/44100 cut-off events. For 14229/17944 co-relation queries the response was YES. Maximal size of possible extension queue 1904. Compared 643331 event pairs, 2699 based on Foata normal form. 83/36625 useless extension candidates. Maximal degree in co-relation 79855. Up to 7581 conditions per place. [2021-11-20 07:25:42,587 INFO L132 encePairwiseOnDemand]: 186/196 looper letters, 31 selfloop transitions, 17 changer transitions 0/214 dead transitions. [2021-11-20 07:25:42,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 214 transitions, 745 flow [2021-11-20 07:25:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:25:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-20 07:25:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 835 transitions. [2021-11-20 07:25:42,596 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8520408163265306 [2021-11-20 07:25:42,596 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 835 transitions. [2021-11-20 07:25:42,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 835 transitions. [2021-11-20 07:25:42,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:42,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 835 transitions. [2021-11-20 07:25:42,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:42,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:42,607 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:42,607 INFO L186 Difference]: Start difference. First operand has 173 places, 186 transitions, 560 flow. Second operand 5 states and 835 transitions. [2021-11-20 07:25:42,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 214 transitions, 745 flow [2021-11-20 07:25:42,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 214 transitions, 715 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:25:42,644 INFO L242 Difference]: Finished difference. Result has 178 places, 200 transitions, 653 flow [2021-11-20 07:25:42,644 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=653, PETRI_PLACES=178, PETRI_TRANSITIONS=200} [2021-11-20 07:25:42,646 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -11 predicate places. [2021-11-20 07:25:42,647 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 200 transitions, 653 flow [2021-11-20 07:25:42,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:42,648 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:42,648 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:42,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:25:42,648 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:42,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:42,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1550551509, now seen corresponding path program 2 times [2021-11-20 07:25:42,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:42,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913734339] [2021-11-20 07:25:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:42,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:42,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:42,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913734339] [2021-11-20 07:25:42,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913734339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:42,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:42,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:25:42,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839480143] [2021-11-20 07:25:42,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:42,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:42,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:42,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:42,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:42,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 196 [2021-11-20 07:25:42,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 200 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:42,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:42,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 196 [2021-11-20 07:25:42,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:44,463 INFO L129 PetriNetUnfolder]: 3291/16292 cut-off events. [2021-11-20 07:25:44,463 INFO L130 PetriNetUnfolder]: For 6057/7049 co-relation queries the response was YES. [2021-11-20 07:25:44,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29568 conditions, 16292 events. 3291/16292 cut-off events. For 6057/7049 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 216253 event pairs, 1025 based on Foata normal form. 196/13626 useless extension candidates. Maximal degree in co-relation 29559. Up to 2630 conditions per place. [2021-11-20 07:25:44,662 INFO L132 encePairwiseOnDemand]: 190/196 looper letters, 25 selfloop transitions, 7 changer transitions 0/197 dead transitions. [2021-11-20 07:25:44,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 197 transitions, 683 flow [2021-11-20 07:25:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2021-11-20 07:25:44,664 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-11-20 07:25:44,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 504 transitions. [2021-11-20 07:25:44,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 504 transitions. [2021-11-20 07:25:44,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:44,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 504 transitions. [2021-11-20 07:25:44,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:44,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:44,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:44,670 INFO L186 Difference]: Start difference. First operand has 178 places, 200 transitions, 653 flow. Second operand 3 states and 504 transitions. [2021-11-20 07:25:44,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 197 transitions, 683 flow [2021-11-20 07:25:44,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 197 transitions, 669 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-11-20 07:25:44,684 INFO L242 Difference]: Finished difference. Result has 179 places, 190 transitions, 595 flow [2021-11-20 07:25:44,684 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=179, PETRI_TRANSITIONS=190} [2021-11-20 07:25:44,685 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -10 predicate places. [2021-11-20 07:25:44,685 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 190 transitions, 595 flow [2021-11-20 07:25:44,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:44,686 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:44,686 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:44,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:25:44,687 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:44,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1067927210, now seen corresponding path program 1 times [2021-11-20 07:25:44,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:44,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422126368] [2021-11-20 07:25:44,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:44,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:44,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:44,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422126368] [2021-11-20 07:25:44,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422126368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:44,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:44,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:44,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453399735] [2021-11-20 07:25:44,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:44,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:44,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:44,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:44,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:44,718 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 196 [2021-11-20 07:25:44,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 190 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:44,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:44,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 196 [2021-11-20 07:25:44,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:49,382 INFO L129 PetriNetUnfolder]: 10947/37139 cut-off events. [2021-11-20 07:25:49,382 INFO L130 PetriNetUnfolder]: For 26211/27417 co-relation queries the response was YES. [2021-11-20 07:25:49,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75090 conditions, 37139 events. 10947/37139 cut-off events. For 26211/27417 co-relation queries the response was YES. Maximal size of possible extension queue 1850. Compared 522160 event pairs, 5488 based on Foata normal form. 52/30071 useless extension candidates. Maximal degree in co-relation 75081. Up to 12266 conditions per place. [2021-11-20 07:25:49,785 INFO L132 encePairwiseOnDemand]: 190/196 looper letters, 49 selfloop transitions, 5 changer transitions 0/208 dead transitions. [2021-11-20 07:25:49,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 208 transitions, 774 flow [2021-11-20 07:25:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2021-11-20 07:25:49,788 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8282312925170068 [2021-11-20 07:25:49,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 487 transitions. [2021-11-20 07:25:49,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 487 transitions. [2021-11-20 07:25:49,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:49,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 487 transitions. [2021-11-20 07:25:49,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:49,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:49,793 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:49,793 INFO L186 Difference]: Start difference. First operand has 179 places, 190 transitions, 595 flow. Second operand 3 states and 487 transitions. [2021-11-20 07:25:49,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 208 transitions, 774 flow [2021-11-20 07:25:49,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 208 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:25:49,814 INFO L242 Difference]: Finished difference. Result has 181 places, 194 transitions, 619 flow [2021-11-20 07:25:49,815 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=619, PETRI_PLACES=181, PETRI_TRANSITIONS=194} [2021-11-20 07:25:49,815 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -8 predicate places. [2021-11-20 07:25:49,816 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 194 transitions, 619 flow [2021-11-20 07:25:49,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:49,816 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:49,816 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:49,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:25:49,817 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:49,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2143213476, now seen corresponding path program 1 times [2021-11-20 07:25:49,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:49,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123627258] [2021-11-20 07:25:49,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:49,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:49,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:49,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123627258] [2021-11-20 07:25:49,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123627258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:49,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:49,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:49,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150042088] [2021-11-20 07:25:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:49,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:49,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:49,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:49,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:49,849 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 196 [2021-11-20 07:25:49,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 194 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:49,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:49,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 196 [2021-11-20 07:25:49,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:54,814 INFO L129 PetriNetUnfolder]: 12886/41987 cut-off events. [2021-11-20 07:25:54,815 INFO L130 PetriNetUnfolder]: For 24362/36646 co-relation queries the response was YES. [2021-11-20 07:25:55,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90122 conditions, 41987 events. 12886/41987 cut-off events. For 24362/36646 co-relation queries the response was YES. Maximal size of possible extension queue 1973. Compared 587563 event pairs, 5673 based on Foata normal form. 101/35173 useless extension candidates. Maximal degree in co-relation 90112. Up to 15182 conditions per place. [2021-11-20 07:25:55,643 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 76 selfloop transitions, 12 changer transitions 0/221 dead transitions. [2021-11-20 07:25:55,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 221 transitions, 913 flow [2021-11-20 07:25:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:25:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:25:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2021-11-20 07:25:55,650 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.814625850340136 [2021-11-20 07:25:55,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2021-11-20 07:25:55,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2021-11-20 07:25:55,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:25:55,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2021-11-20 07:25:55,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:55,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:55,656 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:55,656 INFO L186 Difference]: Start difference. First operand has 181 places, 194 transitions, 619 flow. Second operand 3 states and 479 transitions. [2021-11-20 07:25:55,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 221 transitions, 913 flow [2021-11-20 07:25:55,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 221 transitions, 903 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:25:55,753 INFO L242 Difference]: Finished difference. Result has 183 places, 204 transitions, 731 flow [2021-11-20 07:25:55,754 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=731, PETRI_PLACES=183, PETRI_TRANSITIONS=204} [2021-11-20 07:25:55,754 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -6 predicate places. [2021-11-20 07:25:55,755 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 204 transitions, 731 flow [2021-11-20 07:25:55,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:55,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:25:55,755 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:55,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:25:55,756 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr5ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:25:55,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1797253137, now seen corresponding path program 1 times [2021-11-20 07:25:55,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:55,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256661396] [2021-11-20 07:25:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:55,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:55,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:55,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256661396] [2021-11-20 07:25:55,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256661396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:55,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:55,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:25:55,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571343475] [2021-11-20 07:25:55,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:55,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:25:55,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:55,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:25:55,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:25:55,786 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 196 [2021-11-20 07:25:55,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 204 transitions, 731 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:25:55,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:25:55,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 196 [2021-11-20 07:25:55,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:25:59,067 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([434] L708-->L708-2: Formula: (and (= |v_readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1_5| (ite (= v_~w~0_62 0) 1 0)) (= |v_#race~w~0_85| 0) (= v_~r~0_65 (+ v_~r~0_66 1)) (= |v_readerThread1of1ForFork0_assume_abort_if_not_~cond#1_5| |v_readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1_5|) (not (= |v_readerThread1of1ForFork0_assume_abort_if_not_~cond#1_5| 0))) InVars {~w~0=v_~w~0_62, ~r~0=v_~r~0_66} OutVars{~w~0=v_~w~0_62, readerThread1of1ForFork0_assume_abort_if_not_~cond#1=|v_readerThread1of1ForFork0_assume_abort_if_not_~cond#1_5|, #race~r~0=|v_#race~r~0_92|, readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1_5|, #race~w~0=|v_#race~w~0_85|, readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1=|v_readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1_7|, ~r~0=v_~r~0_65} AuxVars[] AssignedVars[readerThread1of1ForFork0_assume_abort_if_not_~cond#1, #race~r~0, readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1, #race~w~0, readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1, ~r~0][143], [26#L703-1true, Black: 225#true, 233#(= ~w~0 0), 41#L720-4true, 210#true, 47#L708-2true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 231#true, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 61#L712-1true, 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 121#writerErr4ASSERT_VIOLATIONDATA_RACEtrue, Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:25:59,067 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is not cut-off event [2021-11-20 07:25:59,067 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 07:25:59,067 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 07:25:59,068 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 07:25:59,690 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, 125#L703-1true, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|)]) [2021-11-20 07:25:59,690 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,690 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,690 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,690 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,771 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][202], [26#L703-1true, 18#L702-3true, Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:25:59,771 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,771 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,772 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:25:59,772 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 07:26:00,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, 133#L703-3true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:26:00,421 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,421 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,421 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,421 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,459 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, 125#L703-1true, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 22#L703true, 258#(= |#race~y~0| 0), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:26:00,460 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,460 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,460 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,460 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,483 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [26#L703-1true, Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, 165#L703true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|)]) [2021-11-20 07:26:00,483 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,483 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,483 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,483 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 07:26:00,511 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][202], [18#L702-3true, Black: 225#true, 16#L703-3true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:26:00,511 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,511 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,511 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,511 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-11-20 07:26:00,568 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, 100#L703-4true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:26:00,568 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,568 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,568 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,568 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 121#writerErr4ASSERT_VIOLATIONDATA_RACEtrue, 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|)]) [2021-11-20 07:26:00,606 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,607 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,607 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,607 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,711 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, 95#L704true, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:26:00,712 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,712 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,712 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,712 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,755 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, 133#L703-3true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 22#L703true, Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:26:00,755 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,756 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,756 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,756 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,814 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 16#L703-3true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, 165#L703true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|)]) [2021-11-20 07:26:00,815 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,815 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,815 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,815 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 07:26:00,882 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, 100#L703-4true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, 22#L703true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), 258#(= |#race~y~0| 0), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:26:00,882 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,882 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,882 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,883 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,902 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 22#L703true, 121#writerErr4ASSERT_VIOLATIONDATA_RACEtrue, 258#(= |#race~y~0| 0), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:26:00,903 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,903 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,903 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:00,903 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 07:26:01,002 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 41#L720-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, 95#L704true, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, 22#L703true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|)]) [2021-11-20 07:26:01,003 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-11-20 07:26:01,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 07:26:01,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 07:26:01,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 07:26:01,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][201], [Black: 225#true, 88#L711-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 124#L702-3true, 250#true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), 31#L711-3true, 98#L721-7true, Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0), Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|)]) [2021-11-20 07:26:01,982 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-11-20 07:26:01,982 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-11-20 07:26:01,983 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-11-20 07:26:01,983 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-11-20 07:26:02,036 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([448] L711-2-->L711-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][146], [Black: 225#true, 88#L711-4true, 210#true, Black: 235#(and (<= 1 ~r~0) (= ~w~0 0)), readerThread1of1ForFork0InUse, Black: 234#(and (= ~r~0 0) (= ~w~0 0)), 250#true, 31#L711-3true, Black: 246#(= |#race~y~0| |readerThread1of1ForFork1_#t~nondet9#1|), Black: 215#(= |writerThread1of1ForFork3_#t~nondet7#1| |#race~x~0|), 98#L721-7true, 22#L703true, Black: 221#(= |writerThread1of1ForFork3_#t~nondet8#1| |#race~w~0|), Black: 252#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~x~0|), 258#(= |#race~y~0| 0)]) [2021-11-20 07:26:02,036 INFO L384 tUnfolder$Statistics]: this new event has 101 ancestors and is cut-off event [2021-11-20 07:26:02,037 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-11-20 07:26:02,037 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-11-20 07:26:02,037 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-11-20 07:26:02,263 INFO L129 PetriNetUnfolder]: 14351/49489 cut-off events. [2021-11-20 07:26:02,263 INFO L130 PetriNetUnfolder]: For 42945/46431 co-relation queries the response was YES. [2021-11-20 07:26:02,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111715 conditions, 49489 events. 14351/49489 cut-off events. For 42945/46431 co-relation queries the response was YES. Maximal size of possible extension queue 2698. Compared 730041 event pairs, 4014 based on Foata normal form. 313/42086 useless extension candidates. Maximal degree in co-relation 111704. Up to 10075 conditions per place. [2021-11-20 07:26:02,910 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 57 selfloop transitions, 7 changer transitions 0/231 dead transitions. [2021-11-20 07:26:02,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 231 transitions, 971 flow [2021-11-20 07:26:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:26:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:26:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2021-11-20 07:26:02,913 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8469387755102041 [2021-11-20 07:26:02,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 498 transitions. [2021-11-20 07:26:02,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions. [2021-11-20 07:26:02,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:26:02,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions. [2021-11-20 07:26:02,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:26:02,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:26:02,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:26:02,918 INFO L186 Difference]: Start difference. First operand has 183 places, 204 transitions, 731 flow. Second operand 3 states and 498 transitions. [2021-11-20 07:26:02,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 231 transitions, 971 flow [2021-11-20 07:26:03,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 231 transitions, 931 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-11-20 07:26:03,107 INFO L242 Difference]: Finished difference. Result has 185 places, 210 transitions, 753 flow [2021-11-20 07:26:03,107 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=185, PETRI_TRANSITIONS=210} [2021-11-20 07:26:03,108 INFO L334 CegarLoopForPetriNet]: 189 programPoint places, -4 predicate places. [2021-11-20 07:26:03,108 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 210 transitions, 753 flow [2021-11-20 07:26:03,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:26:03,109 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:26:03,109 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:26:03,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:26:03,109 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:26:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:26:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1358730945, now seen corresponding path program 1 times [2021-11-20 07:26:03,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:26:03,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648507940] [2021-11-20 07:26:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:26:03,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:26:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:26:03,125 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:26:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:26:03,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:26:03,167 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:26:03,168 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2021-11-20 07:26:03,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2021-11-20 07:26:03,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2021-11-20 07:26:03,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2021-11-20 07:26:03,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2021-11-20 07:26:03,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2021-11-20 07:26:03,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2021-11-20 07:26:03,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2021-11-20 07:26:03,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2021-11-20 07:26:03,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2021-11-20 07:26:03,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2021-11-20 07:26:03,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2021-11-20 07:26:03,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2021-11-20 07:26:03,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2021-11-20 07:26:03,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (35 of 50 remaining) [2021-11-20 07:26:03,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (34 of 50 remaining) [2021-11-20 07:26:03,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (33 of 50 remaining) [2021-11-20 07:26:03,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (32 of 50 remaining) [2021-11-20 07:26:03,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2021-11-20 07:26:03,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2021-11-20 07:26:03,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2021-11-20 07:26:03,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2021-11-20 07:26:03,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2021-11-20 07:26:03,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2021-11-20 07:26:03,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2021-11-20 07:26:03,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2021-11-20 07:26:03,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2021-11-20 07:26:03,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2021-11-20 07:26:03,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2021-11-20 07:26:03,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2021-11-20 07:26:03,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2021-11-20 07:26:03,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2021-11-20 07:26:03,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2021-11-20 07:26:03,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2021-11-20 07:26:03,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2021-11-20 07:26:03,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2021-11-20 07:26:03,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2021-11-20 07:26:03,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2021-11-20 07:26:03,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2021-11-20 07:26:03,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2021-11-20 07:26:03,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2021-11-20 07:26:03,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2021-11-20 07:26:03,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2021-11-20 07:26:03,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2021-11-20 07:26:03,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2021-11-20 07:26:03,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2021-11-20 07:26:03,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2021-11-20 07:26:03,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2021-11-20 07:26:03,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2021-11-20 07:26:03,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2021-11-20 07:26:03,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:26:03,186 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:26:03,192 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:26:03,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:26:03,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:26:03 BasicIcfg [2021-11-20 07:26:03,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:26:03,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:26:03,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:26:03,245 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:26:03,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:21" (3/4) ... [2021-11-20 07:26:03,248 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:26:03,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:26:03,249 INFO L158 Benchmark]: Toolchain (without parser) took 43377.38ms. Allocated memory was 92.3MB in the beginning and 13.4GB in the end (delta: 13.3GB). Free memory was 55.6MB in the beginning and 11.0GB in the end (delta: -11.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-11-20 07:26:03,249 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:26:03,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.13ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 56.2MB in the end (delta: -833.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:26:03,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.60ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:26:03,251 INFO L158 Benchmark]: Boogie Preprocessor took 30.81ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 52.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:26:03,251 INFO L158 Benchmark]: RCFGBuilder took 674.75ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 82.8MB in the end (delta: -31.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-20 07:26:03,252 INFO L158 Benchmark]: TraceAbstraction took 42038.69ms. Allocated memory was 111.1MB in the beginning and 13.4GB in the end (delta: 13.3GB). Free memory was 82.8MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-11-20 07:26:03,252 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 13.4GB. Free memory is still 11.0GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:26:03,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.13ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 56.2MB in the end (delta: -833.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.60ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.81ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 52.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.75ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 82.8MB in the end (delta: -31.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 42038.69ms. Allocated memory was 111.1MB in the beginning and 13.4GB in the end (delta: 13.3GB). Free memory was 82.8MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 13.4GB. Free memory is still 11.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 703]: Data race detected Data race detected The following path leads to a data race: [L688] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L716] 0 pthread_t t1, t2, t3, t4; VAL [r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L717] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [pthread_create(&t1, 0, writer, 0)=-1, r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L718] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [pthread_create(&t2, 0, reader, 0)=0, r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L701] CALL 1 __VERIFIER_atomic_take_write_lock() [L690] EXPR 1 w==0 [L690] EXPR 1 w==0 && r==0 [L690] EXPR 1 r==0 [L690] EXPR 1 w==0 && r==0 [L690] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L690] RET 1 assume_abort_if_not(w==0 && r==0) [L691] 1 w = 1 [L701] RET 1 __VERIFIER_atomic_take_write_lock() [L702] 1 x = 3 VAL [arg={0:0}, arg={0:0}, r=0, w=1, x=3, y=0] [L703] 1 w = 0 VAL [arg={0:0}, arg={0:0}, r=0, w=0, w = 0=50, x=3, y=0] [L707] 2 int l; VAL [arg={0:0}, arg={0:0}, r=0, w=0, x=3, y=0] [L708] CALL 2 __VERIFIER_atomic_take_read_lock() [L694] EXPR 2 w==0 [L694] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(w==0) [L695] EXPR 2 r+1 [L695] 2 r = r+1 [L708] RET 2 __VERIFIER_atomic_take_read_lock() [L703] 1 w = 0 VAL [arg={0:0}, arg={0:0}, r=1, w=0, w = 0=50, x=3, y=0] Now there is a data race on ~w~0 between C: w==0 [694] and C: w = 0 [703] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 250 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 41.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 40.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 106 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred in iteration=9, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 07:26:03,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddb401d-6198-42f1-ad36-21ee657d491b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE