./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:01:06,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:01:06,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:01:06,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:01:06,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:01:06,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:01:06,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:01:06,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:01:06,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:01:06,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:01:06,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:01:06,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:01:06,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:01:06,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:01:06,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:01:06,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:01:06,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:01:06,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:01:06,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:01:06,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:01:06,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:01:06,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:01:06,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:01:06,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:01:06,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:01:06,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:01:06,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:01:06,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:01:06,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:01:06,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:01:06,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:01:06,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:01:06,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:01:06,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:01:06,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:01:06,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:01:06,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:01:06,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:01:06,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:01:06,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:01:06,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:01:06,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 07:01:06,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:01:06,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:01:06,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:01:06,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:01:06,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:01:06,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:01:06,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:01:06,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:01:06,577 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:01:06,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:01:06,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:01:06,579 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:01:06,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:01:06,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:01:06,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:01:06,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:01:06,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:01:06,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:01:06,580 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 07:01:06,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:01:06,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:01:06,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:01:06,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:01:06,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:01:06,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:01:06,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:01:06,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:01:06,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:01:06,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:01:06,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:01:06,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:01:06,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:01:06,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:01:06,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:01:06,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:01:06,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:01:06,586 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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2021-11-20 07:01:06,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:01:06,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:01:06,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:01:06,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:01:06,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:01:06,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2021-11-20 07:01:06,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/data/9f794cd2a/2ffaa3e9cfd24b53894095598416ab70/FLAG2cd72936c [2021-11-20 07:01:07,509 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:01:07,509 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2021-11-20 07:01:07,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/data/9f794cd2a/2ffaa3e9cfd24b53894095598416ab70/FLAG2cd72936c [2021-11-20 07:01:07,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/data/9f794cd2a/2ffaa3e9cfd24b53894095598416ab70 [2021-11-20 07:01:07,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:01:07,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:01:07,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:01:07,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:01:07,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:01:07,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:07" (1/1) ... [2021-11-20 07:01:07,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600141e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:07, skipping insertion in model container [2021-11-20 07:01:07,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:07" (1/1) ... [2021-11-20 07:01:07,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:01:07,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:01:08,051 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 07:01:08,271 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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-11-20 07:01:08,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:01:08,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:01:08,340 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 07:01:08,382 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_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-11-20 07:01:08,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:01:08,453 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:01:08,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08 WrapperNode [2021-11-20 07:01:08,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:01:08,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:01:08,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:01:08,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:01:08,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,561 INFO L137 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 178 [2021-11-20 07:01:08,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:01:08,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:01:08,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:01:08,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:01:08,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:01:08,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:01:08,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:01:08,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:01:08,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (1/1) ... [2021-11-20 07:01:08,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:01:08,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:08,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:01:08,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:01:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:01:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:01:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:01:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:01:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-20 07:01:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-20 07:01:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:01:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:01:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:01:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:01:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:01:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:01:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-20 07:01:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-20 07:01:08,740 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 07:01:08,856 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:01:08,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:01:09,191 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:01:09,383 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:01:09,390 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:01:09,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:09 BoogieIcfgContainer [2021-11-20 07:01:09,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:01:09,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:01:09,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:01:09,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:01:09,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:01:07" (1/3) ... [2021-11-20 07:01:09,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488903dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:09, skipping insertion in model container [2021-11-20 07:01:09,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:08" (2/3) ... [2021-11-20 07:01:09,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488903dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:09, skipping insertion in model container [2021-11-20 07:01:09,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:09" (3/3) ... [2021-11-20 07:01:09,422 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-11-20 07:01:09,428 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:01:09,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:01:09,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-20 07:01:09,429 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:01:09,477 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,477 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,477 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,484 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,484 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,484 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,485 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,485 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,485 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,486 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,486 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,486 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,486 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,487 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,487 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,487 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,487 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,488 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,488 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,488 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,489 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,489 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,490 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,490 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,491 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,492 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,492 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,493 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,493 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,493 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,494 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,494 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,494 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,495 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,495 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,495 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,496 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,496 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,496 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,497 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,498 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,498 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,498 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,498 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,499 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,501 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,501 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,501 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,502 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,502 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,502 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,503 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,503 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,503 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,503 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,504 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,504 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,505 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,505 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,505 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,506 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,507 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,507 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,507 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,507 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,508 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,508 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,508 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,509 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,509 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,509 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,509 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,510 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,511 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,514 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,514 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,515 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,515 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,516 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,518 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,518 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,523 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,526 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,526 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,527 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,527 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,527 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,531 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,531 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,531 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,531 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,533 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,536 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,536 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,536 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,536 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,537 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,537 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,537 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,537 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,538 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,538 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,538 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,539 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,539 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,539 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,539 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,540 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,540 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,540 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,540 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,540 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,541 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,541 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,541 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,568 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,569 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,569 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,569 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,569 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,570 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,570 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,570 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,570 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,570 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,571 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,571 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,573 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,573 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,574 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,581 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,582 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,582 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,582 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,582 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,583 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,583 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,583 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,583 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,585 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,585 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,585 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,585 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,586 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,586 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,586 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,587 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,587 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,587 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,589 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,590 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,590 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,590 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,591 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,591 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,591 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,591 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,592 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,592 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:01:09,598 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-20 07:01:09,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:01:09,668 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 07:01:09,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-20 07:01:09,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 170 transitions, 372 flow [2021-11-20 07:01:09,754 INFO L129 PetriNetUnfolder]: 2/166 cut-off events. [2021-11-20 07:01:09,754 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 07:01:09,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 166 events. 2/166 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 253 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2021-11-20 07:01:09,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 181 places, 170 transitions, 372 flow [2021-11-20 07:01:09,787 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 152 transitions, 325 flow [2021-11-20 07:01:09,808 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-11-20 07:01:09,808 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:01:09,809 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:09,809 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 07:01:09,810 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 07:01:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 176244935, now seen corresponding path program 1 times [2021-11-20 07:01:09,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:09,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075228826] [2021-11-20 07:01:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:09,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:10,015 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 07:01:10,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:10,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075228826] [2021-11-20 07:01:10,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075228826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:10,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:10,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 07:01:10,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532350020] [2021-11-20 07:01:10,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:10,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:01:10,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:01:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:01:10,091 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 170 [2021-11-20 07:01:10,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 152 transitions, 325 flow. Second operand has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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 07:01:10,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:10,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 170 [2021-11-20 07:01:10,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:10,881 INFO L129 PetriNetUnfolder]: 1464/3236 cut-off events. [2021-11-20 07:01:10,881 INFO L130 PetriNetUnfolder]: For 613/613 co-relation queries the response was YES. [2021-11-20 07:01:10,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5760 conditions, 3236 events. 1464/3236 cut-off events. For 613/613 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 26179 event pairs, 1464 based on Foata normal form. 184/3072 useless extension candidates. Maximal degree in co-relation 5474. Up to 2168 conditions per place. [2021-11-20 07:01:10,943 INFO L132 encePairwiseOnDemand]: 142/170 looper letters, 23 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2021-11-20 07:01:10,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 124 transitions, 315 flow [2021-11-20 07:01:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:01:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-20 07:01:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 287 transitions. [2021-11-20 07:01:10,966 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8441176470588235 [2021-11-20 07:01:10,967 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 287 transitions. [2021-11-20 07:01:10,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 287 transitions. [2021-11-20 07:01:10,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:10,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 287 transitions. [2021-11-20 07:01:10,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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 07:01:10,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 07:01:10,996 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 07:01:10,998 INFO L186 Difference]: Start difference. First operand has 163 places, 152 transitions, 325 flow. Second operand 2 states and 287 transitions. [2021-11-20 07:01:10,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 124 transitions, 315 flow [2021-11-20 07:01:11,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 124 transitions, 302 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 07:01:11,022 INFO L242 Difference]: Finished difference. Result has 131 places, 124 transitions, 256 flow [2021-11-20 07:01:11,024 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=131, PETRI_TRANSITIONS=124} [2021-11-20 07:01:11,031 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -32 predicate places. [2021-11-20 07:01:11,031 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 124 transitions, 256 flow [2021-11-20 07:01:11,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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 07:01:11,032 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:11,032 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 07:01:11,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:01:11,033 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 07:01:11,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:11,039 INFO L85 PathProgramCache]: Analyzing trace with hash -461422646, now seen corresponding path program 1 times [2021-11-20 07:01:11,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:11,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305871449] [2021-11-20 07:01:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:11,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:11,157 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 07:01:11,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:11,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305871449] [2021-11-20 07:01:11,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305871449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:11,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:11,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:01:11,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159256290] [2021-11-20 07:01:11,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:11,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:01:11,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:11,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:01:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:11,164 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 170 [2021-11-20 07:01:11,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 124 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 07:01:11,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:11,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 170 [2021-11-20 07:01:11,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:14,091 INFO L129 PetriNetUnfolder]: 9120/16487 cut-off events. [2021-11-20 07:01:14,091 INFO L130 PetriNetUnfolder]: For 343/433 co-relation queries the response was YES. [2021-11-20 07:01:14,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30236 conditions, 16487 events. 9120/16487 cut-off events. For 343/433 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 144298 event pairs, 6247 based on Foata normal form. 0/14805 useless extension candidates. Maximal degree in co-relation 30233. Up to 10566 conditions per place. [2021-11-20 07:01:14,351 INFO L132 encePairwiseOnDemand]: 161/170 looper letters, 45 selfloop transitions, 8 changer transitions 0/146 dead transitions. [2021-11-20 07:01:14,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 146 transitions, 410 flow [2021-11-20 07:01:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:01:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:01:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2021-11-20 07:01:14,354 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7529411764705882 [2021-11-20 07:01:14,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2021-11-20 07:01:14,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2021-11-20 07:01:14,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:14,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2021-11-20 07:01:14,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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 07:01:14,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:14,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:14,361 INFO L186 Difference]: Start difference. First operand has 131 places, 124 transitions, 256 flow. Second operand 3 states and 384 transitions. [2021-11-20 07:01:14,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 146 transitions, 410 flow [2021-11-20 07:01:14,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:01:14,367 INFO L242 Difference]: Finished difference. Result has 135 places, 131 transitions, 318 flow [2021-11-20 07:01:14,367 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=135, PETRI_TRANSITIONS=131} [2021-11-20 07:01:14,368 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -28 predicate places. [2021-11-20 07:01:14,369 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 131 transitions, 318 flow [2021-11-20 07:01:14,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 07:01:14,369 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:14,369 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 07:01:14,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:01:14,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:14,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2058110516, now seen corresponding path program 1 times [2021-11-20 07:01:14,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:14,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717132959] [2021-11-20 07:01:14,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:14,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:14,460 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 07:01:14,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:14,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717132959] [2021-11-20 07:01:14,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717132959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:14,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:14,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:01:14,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367771448] [2021-11-20 07:01:14,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:14,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:01:14,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:14,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:01:14,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:14,465 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 170 [2021-11-20 07:01:14,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 131 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 07:01:14,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:14,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 170 [2021-11-20 07:01:14,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:15,256 INFO L129 PetriNetUnfolder]: 1656/4810 cut-off events. [2021-11-20 07:01:15,256 INFO L130 PetriNetUnfolder]: For 1002/1002 co-relation queries the response was YES. [2021-11-20 07:01:15,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9305 conditions, 4810 events. 1656/4810 cut-off events. For 1002/1002 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 43965 event pairs, 661 based on Foata normal form. 342/4822 useless extension candidates. Maximal degree in co-relation 9300. Up to 1449 conditions per place. [2021-11-20 07:01:15,320 INFO L132 encePairwiseOnDemand]: 164/170 looper letters, 39 selfloop transitions, 4 changer transitions 0/145 dead transitions. [2021-11-20 07:01:15,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 145 transitions, 442 flow [2021-11-20 07:01:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:01:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:01:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2021-11-20 07:01:15,324 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7725490196078432 [2021-11-20 07:01:15,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2021-11-20 07:01:15,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2021-11-20 07:01:15,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:15,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2021-11-20 07:01:15,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 07:01:15,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:15,334 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:15,334 INFO L186 Difference]: Start difference. First operand has 135 places, 131 transitions, 318 flow. Second operand 3 states and 394 transitions. [2021-11-20 07:01:15,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 145 transitions, 442 flow [2021-11-20 07:01:15,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 145 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:01:15,366 INFO L242 Difference]: Finished difference. Result has 136 places, 130 transitions, 314 flow [2021-11-20 07:01:15,367 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=136, PETRI_TRANSITIONS=130} [2021-11-20 07:01:15,369 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -27 predicate places. [2021-11-20 07:01:15,370 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 130 transitions, 314 flow [2021-11-20 07:01:15,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 07:01:15,370 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:15,371 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 07:01:15,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:01:15,372 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:15,375 INFO L85 PathProgramCache]: Analyzing trace with hash -786595702, now seen corresponding path program 2 times [2021-11-20 07:01:15,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:15,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93726183] [2021-11-20 07:01:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:15,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:15,546 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 07:01:15,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:15,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93726183] [2021-11-20 07:01:15,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93726183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:15,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:15,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:15,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410979234] [2021-11-20 07:01:15,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:15,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:01:15,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:15,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:01:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:01:15,557 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:15,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 130 transitions, 314 flow. Second operand has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 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 07:01:15,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:15,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:15,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:16,186 INFO L129 PetriNetUnfolder]: 1189/3499 cut-off events. [2021-11-20 07:01:16,186 INFO L130 PetriNetUnfolder]: For 1535/1538 co-relation queries the response was YES. [2021-11-20 07:01:16,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7137 conditions, 3499 events. 1189/3499 cut-off events. For 1535/1538 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 31058 event pairs, 419 based on Foata normal form. 87/3322 useless extension candidates. Maximal degree in co-relation 7131. Up to 903 conditions per place. [2021-11-20 07:01:16,231 INFO L132 encePairwiseOnDemand]: 160/170 looper letters, 53 selfloop transitions, 12 changer transitions 1/166 dead transitions. [2021-11-20 07:01:16,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 166 transitions, 559 flow [2021-11-20 07:01:16,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-20 07:01:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 643 transitions. [2021-11-20 07:01:16,234 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7564705882352941 [2021-11-20 07:01:16,234 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 643 transitions. [2021-11-20 07:01:16,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 643 transitions. [2021-11-20 07:01:16,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:16,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 643 transitions. [2021-11-20 07:01:16,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 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 07:01:16,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 07:01:16,240 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 07:01:16,241 INFO L186 Difference]: Start difference. First operand has 136 places, 130 transitions, 314 flow. Second operand 5 states and 643 transitions. [2021-11-20 07:01:16,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 166 transitions, 559 flow [2021-11-20 07:01:16,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 166 transitions, 547 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:01:16,248 INFO L242 Difference]: Finished difference. Result has 140 places, 135 transitions, 363 flow [2021-11-20 07:01:16,248 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=363, PETRI_PLACES=140, PETRI_TRANSITIONS=135} [2021-11-20 07:01:16,252 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -23 predicate places. [2021-11-20 07:01:16,252 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 135 transitions, 363 flow [2021-11-20 07:01:16,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 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 07:01:16,253 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:16,253 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 07:01:16,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:01:16,254 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 07:01:16,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash 830927776, now seen corresponding path program 1 times [2021-11-20 07:01:16,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:16,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309834183] [2021-11-20 07:01:16,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:16,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:16,346 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 07:01:16,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:16,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309834183] [2021-11-20 07:01:16,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309834183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:16,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:16,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:01:16,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376336712] [2021-11-20 07:01:16,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:16,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:01:16,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:16,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:01:16,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:16,350 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 170 [2021-11-20 07:01:16,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 135 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 07:01:16,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:16,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 170 [2021-11-20 07:01:16,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:17,335 INFO L129 PetriNetUnfolder]: 2870/6097 cut-off events. [2021-11-20 07:01:17,335 INFO L130 PetriNetUnfolder]: For 2471/2523 co-relation queries the response was YES. [2021-11-20 07:01:17,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13632 conditions, 6097 events. 2870/6097 cut-off events. For 2471/2523 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 53173 event pairs, 1684 based on Foata normal form. 11/5616 useless extension candidates. Maximal degree in co-relation 13624. Up to 3906 conditions per place. [2021-11-20 07:01:17,561 INFO L132 encePairwiseOnDemand]: 162/170 looper letters, 50 selfloop transitions, 7 changer transitions 0/150 dead transitions. [2021-11-20 07:01:17,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 150 transitions, 523 flow [2021-11-20 07:01:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:01:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:01:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2021-11-20 07:01:17,565 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7392156862745098 [2021-11-20 07:01:17,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2021-11-20 07:01:17,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2021-11-20 07:01:17,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:17,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2021-11-20 07:01:17,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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 07:01:17,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:17,570 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 07:01:17,570 INFO L186 Difference]: Start difference. First operand has 140 places, 135 transitions, 363 flow. Second operand 3 states and 377 transitions. [2021-11-20 07:01:17,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 150 transitions, 523 flow [2021-11-20 07:01:17,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 150 transitions, 512 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-11-20 07:01:17,580 INFO L242 Difference]: Finished difference. Result has 142 places, 141 transitions, 414 flow [2021-11-20 07:01:17,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=142, PETRI_TRANSITIONS=141} [2021-11-20 07:01:17,582 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -21 predicate places. [2021-11-20 07:01:17,582 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 141 transitions, 414 flow [2021-11-20 07:01:17,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 07:01:17,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:17,583 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, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:17,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:01:17,584 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash 468077500, now seen corresponding path program 1 times [2021-11-20 07:01:17,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:17,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811190176] [2021-11-20 07:01:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:17,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:17,706 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 07:01:17,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:17,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811190176] [2021-11-20 07:01:17,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811190176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:17,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:17,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:17,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565561751] [2021-11-20 07:01:17,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:17,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:17,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:17,710 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 170 [2021-11-20 07:01:17,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 141 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 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 07:01:17,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:17,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 170 [2021-11-20 07:01:17,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:21,828 INFO L129 PetriNetUnfolder]: 15375/25541 cut-off events. [2021-11-20 07:01:21,829 INFO L130 PetriNetUnfolder]: For 25854/27215 co-relation queries the response was YES. [2021-11-20 07:01:21,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68456 conditions, 25541 events. 15375/25541 cut-off events. For 25854/27215 co-relation queries the response was YES. Maximal size of possible extension queue 1070. Compared 205101 event pairs, 1827 based on Foata normal form. 66/23815 useless extension candidates. Maximal degree in co-relation 68447. Up to 12333 conditions per place. [2021-11-20 07:01:22,122 INFO L132 encePairwiseOnDemand]: 165/170 looper letters, 179 selfloop transitions, 4 changer transitions 0/260 dead transitions. [2021-11-20 07:01:22,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 260 transitions, 1370 flow [2021-11-20 07:01:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-11-20 07:01:22,125 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6294117647058823 [2021-11-20 07:01:22,126 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-11-20 07:01:22,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-11-20 07:01:22,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:22,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-11-20 07:01:22,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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 07:01:22,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:22,134 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:22,134 INFO L186 Difference]: Start difference. First operand has 142 places, 141 transitions, 414 flow. Second operand 6 states and 642 transitions. [2021-11-20 07:01:22,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 260 transitions, 1370 flow [2021-11-20 07:01:22,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 260 transitions, 1284 flow, removed 20 selfloop flow, removed 2 redundant places. [2021-11-20 07:01:22,161 INFO L242 Difference]: Finished difference. Result has 144 places, 140 transitions, 398 flow [2021-11-20 07:01:22,161 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=398, PETRI_PLACES=144, PETRI_TRANSITIONS=140} [2021-11-20 07:01:22,164 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -19 predicate places. [2021-11-20 07:01:22,164 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 140 transitions, 398 flow [2021-11-20 07:01:22,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 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 07:01:22,167 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:22,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:22,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:01:22,167 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:22,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:22,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1690722976, now seen corresponding path program 1 times [2021-11-20 07:01:22,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:22,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775819541] [2021-11-20 07:01:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:22,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:22,319 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 07:01:22,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:22,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775819541] [2021-11-20 07:01:22,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775819541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:22,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:22,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:22,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090241560] [2021-11-20 07:01:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:22,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:01:22,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:22,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:01:22,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:01:22,328 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:22,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 140 transitions, 398 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 07:01:22,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:22,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:22,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:22,909 INFO L129 PetriNetUnfolder]: 798/2991 cut-off events. [2021-11-20 07:01:22,909 INFO L130 PetriNetUnfolder]: For 1950/1965 co-relation queries the response was YES. [2021-11-20 07:01:22,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6189 conditions, 2991 events. 798/2991 cut-off events. For 1950/1965 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 26646 event pairs, 156 based on Foata normal form. 152/2963 useless extension candidates. Maximal degree in co-relation 6180. Up to 590 conditions per place. [2021-11-20 07:01:22,946 INFO L132 encePairwiseOnDemand]: 161/170 looper letters, 73 selfloop transitions, 19 changer transitions 0/193 dead transitions. [2021-11-20 07:01:22,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 193 transitions, 790 flow [2021-11-20 07:01:22,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-20 07:01:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 664 transitions. [2021-11-20 07:01:22,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7811764705882352 [2021-11-20 07:01:22,950 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 664 transitions. [2021-11-20 07:01:22,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 664 transitions. [2021-11-20 07:01:22,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:22,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 664 transitions. [2021-11-20 07:01:22,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 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 07:01:22,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 07:01:22,957 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 07:01:22,958 INFO L186 Difference]: Start difference. First operand has 144 places, 140 transitions, 398 flow. Second operand 5 states and 664 transitions. [2021-11-20 07:01:22,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 193 transitions, 790 flow [2021-11-20 07:01:22,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 193 transitions, 783 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 07:01:22,965 INFO L242 Difference]: Finished difference. Result has 146 places, 152 transitions, 512 flow [2021-11-20 07:01:22,965 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=512, PETRI_PLACES=146, PETRI_TRANSITIONS=152} [2021-11-20 07:01:22,967 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -17 predicate places. [2021-11-20 07:01:22,967 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 152 transitions, 512 flow [2021-11-20 07:01:22,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 07:01:22,968 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:22,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:22,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:01:22,968 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 07:01:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash -523655671, now seen corresponding path program 1 times [2021-11-20 07:01:22,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:22,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009213844] [2021-11-20 07:01:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:22,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:23,099 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 07:01:23,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:23,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009213844] [2021-11-20 07:01:23,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009213844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:23,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:23,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:01:23,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216196295] [2021-11-20 07:01:23,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:23,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:23,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:23,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:23,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:23,105 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:23,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 152 transitions, 512 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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 07:01:23,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:23,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:23,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:23,659 INFO L129 PetriNetUnfolder]: 804/2881 cut-off events. [2021-11-20 07:01:23,660 INFO L130 PetriNetUnfolder]: For 3181/3203 co-relation queries the response was YES. [2021-11-20 07:01:23,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6805 conditions, 2881 events. 804/2881 cut-off events. For 3181/3203 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 25287 event pairs, 341 based on Foata normal form. 21/2663 useless extension candidates. Maximal degree in co-relation 6794. Up to 968 conditions per place. [2021-11-20 07:01:23,691 INFO L132 encePairwiseOnDemand]: 160/170 looper letters, 69 selfloop transitions, 22 changer transitions 0/192 dead transitions. [2021-11-20 07:01:23,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 192 transitions, 865 flow [2021-11-20 07:01:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 769 transitions. [2021-11-20 07:01:23,697 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.753921568627451 [2021-11-20 07:01:23,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 769 transitions. [2021-11-20 07:01:23,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 769 transitions. [2021-11-20 07:01:23,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:23,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 769 transitions. [2021-11-20 07:01:23,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.16666666666666) internal successors, (769), 6 states have internal predecessors, (769), 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 07:01:23,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:23,706 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:23,706 INFO L186 Difference]: Start difference. First operand has 146 places, 152 transitions, 512 flow. Second operand 6 states and 769 transitions. [2021-11-20 07:01:23,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 192 transitions, 865 flow [2021-11-20 07:01:23,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 192 transitions, 841 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-11-20 07:01:23,717 INFO L242 Difference]: Finished difference. Result has 152 places, 158 transitions, 592 flow [2021-11-20 07:01:23,717 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=152, PETRI_TRANSITIONS=158} [2021-11-20 07:01:23,718 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -11 predicate places. [2021-11-20 07:01:23,718 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 158 transitions, 592 flow [2021-11-20 07:01:23,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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 07:01:23,719 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:23,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:23,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:01:23,720 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:23,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:23,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1261168621, now seen corresponding path program 2 times [2021-11-20 07:01:23,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:23,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025017710] [2021-11-20 07:01:23,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:23,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:23,816 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 07:01:23,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:23,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025017710] [2021-11-20 07:01:23,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025017710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:23,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:23,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:01:23,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304107942] [2021-11-20 07:01:23,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:23,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:23,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:23,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:23,821 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:23,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 158 transitions, 592 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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 07:01:23,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:23,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:23,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:24,347 INFO L129 PetriNetUnfolder]: 675/2464 cut-off events. [2021-11-20 07:01:24,348 INFO L130 PetriNetUnfolder]: For 3412/3430 co-relation queries the response was YES. [2021-11-20 07:01:24,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5951 conditions, 2464 events. 675/2464 cut-off events. For 3412/3430 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 21243 event pairs, 321 based on Foata normal form. 21/2286 useless extension candidates. Maximal degree in co-relation 5938. Up to 878 conditions per place. [2021-11-20 07:01:24,366 INFO L132 encePairwiseOnDemand]: 160/170 looper letters, 73 selfloop transitions, 26 changer transitions 0/200 dead transitions. [2021-11-20 07:01:24,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 200 transitions, 976 flow [2021-11-20 07:01:24,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 775 transitions. [2021-11-20 07:01:24,371 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7598039215686274 [2021-11-20 07:01:24,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 775 transitions. [2021-11-20 07:01:24,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 775 transitions. [2021-11-20 07:01:24,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:24,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 775 transitions. [2021-11-20 07:01:24,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.16666666666666) internal successors, (775), 6 states have internal predecessors, (775), 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 07:01:24,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:24,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:24,379 INFO L186 Difference]: Start difference. First operand has 152 places, 158 transitions, 592 flow. Second operand 6 states and 775 transitions. [2021-11-20 07:01:24,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 200 transitions, 976 flow [2021-11-20 07:01:24,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 200 transitions, 930 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-11-20 07:01:24,388 INFO L242 Difference]: Finished difference. Result has 156 places, 164 transitions, 678 flow [2021-11-20 07:01:24,388 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=678, PETRI_PLACES=156, PETRI_TRANSITIONS=164} [2021-11-20 07:01:24,389 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -7 predicate places. [2021-11-20 07:01:24,389 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 164 transitions, 678 flow [2021-11-20 07:01:24,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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 07:01:24,390 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:24,390 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, 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 07:01:24,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:01:24,391 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:24,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1788586973, now seen corresponding path program 1 times [2021-11-20 07:01:24,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:24,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872862789] [2021-11-20 07:01:24,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:24,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:24,501 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 07:01:24,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:24,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872862789] [2021-11-20 07:01:24,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872862789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:24,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:24,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:24,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751646456] [2021-11-20 07:01:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:24,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:24,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:24,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:24,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:24,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 170 [2021-11-20 07:01:24,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 164 transitions, 678 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 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 07:01:24,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:24,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 170 [2021-11-20 07:01:24,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:26,274 INFO L129 PetriNetUnfolder]: 5826/12297 cut-off events. [2021-11-20 07:01:26,274 INFO L130 PetriNetUnfolder]: For 22875/22985 co-relation queries the response was YES. [2021-11-20 07:01:26,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34963 conditions, 12297 events. 5826/12297 cut-off events. For 22875/22985 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 106286 event pairs, 3091 based on Foata normal form. 2/11712 useless extension candidates. Maximal degree in co-relation 34948. Up to 6034 conditions per place. [2021-11-20 07:01:26,368 INFO L132 encePairwiseOnDemand]: 165/170 looper letters, 194 selfloop transitions, 4 changer transitions 0/275 dead transitions. [2021-11-20 07:01:26,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 275 transitions, 1740 flow [2021-11-20 07:01:26,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions. [2021-11-20 07:01:26,371 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6205882352941177 [2021-11-20 07:01:26,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 633 transitions. [2021-11-20 07:01:26,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 633 transitions. [2021-11-20 07:01:26,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:26,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 633 transitions. [2021-11-20 07:01:26,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 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 07:01:26,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:26,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:26,378 INFO L186 Difference]: Start difference. First operand has 156 places, 164 transitions, 678 flow. Second operand 6 states and 633 transitions. [2021-11-20 07:01:26,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 275 transitions, 1740 flow [2021-11-20 07:01:26,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 275 transitions, 1690 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-11-20 07:01:26,414 INFO L242 Difference]: Finished difference. Result has 158 places, 163 transitions, 650 flow [2021-11-20 07:01:26,414 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=650, PETRI_PLACES=158, PETRI_TRANSITIONS=163} [2021-11-20 07:01:26,415 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -5 predicate places. [2021-11-20 07:01:26,415 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 163 transitions, 650 flow [2021-11-20 07:01:26,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 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 07:01:26,416 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:26,416 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, 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 07:01:26,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:01:26,417 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:26,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:26,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2146211246, now seen corresponding path program 1 times [2021-11-20 07:01:26,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:26,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666998809] [2021-11-20 07:01:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:26,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:26,507 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 07:01:26,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:26,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666998809] [2021-11-20 07:01:26,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666998809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:26,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:26,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:01:26,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107446716] [2021-11-20 07:01:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:26,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:26,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:26,511 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:26,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 163 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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 07:01:26,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:26,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:26,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:27,050 INFO L129 PetriNetUnfolder]: 704/2507 cut-off events. [2021-11-20 07:01:27,050 INFO L130 PetriNetUnfolder]: For 3912/3933 co-relation queries the response was YES. [2021-11-20 07:01:27,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6202 conditions, 2507 events. 704/2507 cut-off events. For 3912/3933 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 21818 event pairs, 88 based on Foata normal form. 43/2380 useless extension candidates. Maximal degree in co-relation 6187. Up to 395 conditions per place. [2021-11-20 07:01:27,075 INFO L132 encePairwiseOnDemand]: 161/170 looper letters, 84 selfloop transitions, 33 changer transitions 0/217 dead transitions. [2021-11-20 07:01:27,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 217 transitions, 1115 flow [2021-11-20 07:01:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 791 transitions. [2021-11-20 07:01:27,078 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7754901960784314 [2021-11-20 07:01:27,078 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 791 transitions. [2021-11-20 07:01:27,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 791 transitions. [2021-11-20 07:01:27,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:27,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 791 transitions. [2021-11-20 07:01:27,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.83333333333334) internal successors, (791), 6 states have internal predecessors, (791), 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 07:01:27,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:27,086 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:27,086 INFO L186 Difference]: Start difference. First operand has 158 places, 163 transitions, 650 flow. Second operand 6 states and 791 transitions. [2021-11-20 07:01:27,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 217 transitions, 1115 flow [2021-11-20 07:01:27,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 217 transitions, 1108 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 07:01:27,099 INFO L242 Difference]: Finished difference. Result has 160 places, 169 transitions, 789 flow [2021-11-20 07:01:27,100 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=789, PETRI_PLACES=160, PETRI_TRANSITIONS=169} [2021-11-20 07:01:27,101 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -3 predicate places. [2021-11-20 07:01:27,101 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 169 transitions, 789 flow [2021-11-20 07:01:27,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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 07:01:27,102 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:27,102 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, 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 07:01:27,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:01:27,103 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:27,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2115957792, now seen corresponding path program 2 times [2021-11-20 07:01:27,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:27,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106846968] [2021-11-20 07:01:27,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:27,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:27,217 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 07:01:27,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:27,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106846968] [2021-11-20 07:01:27,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106846968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:27,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:27,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:01:27,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645500653] [2021-11-20 07:01:27,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:27,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:27,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:27,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:27,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:27,221 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 170 [2021-11-20 07:01:27,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 169 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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 07:01:27,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:27,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 170 [2021-11-20 07:01:27,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:27,558 INFO L129 PetriNetUnfolder]: 502/2094 cut-off events. [2021-11-20 07:01:27,558 INFO L130 PetriNetUnfolder]: For 4578/4603 co-relation queries the response was YES. [2021-11-20 07:01:27,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5270 conditions, 2094 events. 502/2094 cut-off events. For 4578/4603 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 17035 event pairs, 203 based on Foata normal form. 38/1969 useless extension candidates. Maximal degree in co-relation 5254. Up to 700 conditions per place. [2021-11-20 07:01:27,573 INFO L132 encePairwiseOnDemand]: 161/170 looper letters, 48 selfloop transitions, 35 changer transitions 0/177 dead transitions. [2021-11-20 07:01:27,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 177 transitions, 966 flow [2021-11-20 07:01:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 763 transitions. [2021-11-20 07:01:27,576 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7480392156862745 [2021-11-20 07:01:27,577 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 763 transitions. [2021-11-20 07:01:27,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 763 transitions. [2021-11-20 07:01:27,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:27,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 763 transitions. [2021-11-20 07:01:27,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 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 07:01:27,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:27,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:27,584 INFO L186 Difference]: Start difference. First operand has 160 places, 169 transitions, 789 flow. Second operand 6 states and 763 transitions. [2021-11-20 07:01:27,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 177 transitions, 966 flow [2021-11-20 07:01:27,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 177 transitions, 899 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-11-20 07:01:27,598 INFO L242 Difference]: Finished difference. Result has 157 places, 151 transitions, 714 flow [2021-11-20 07:01:27,598 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=714, PETRI_PLACES=157, PETRI_TRANSITIONS=151} [2021-11-20 07:01:27,599 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -6 predicate places. [2021-11-20 07:01:27,599 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 151 transitions, 714 flow [2021-11-20 07:01:27,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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 07:01:27,600 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:27,600 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, 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 07:01:27,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:01:27,601 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:27,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash -197327188, now seen corresponding path program 1 times [2021-11-20 07:01:27,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:27,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263577574] [2021-11-20 07:01:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:27,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:27,738 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 07:01:27,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:27,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263577574] [2021-11-20 07:01:27,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263577574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:27,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:27,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:27,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994073436] [2021-11-20 07:01:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:27,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:27,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:27,743 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 170 [2021-11-20 07:01:27,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 151 transitions, 714 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 07:01:27,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:27,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 170 [2021-11-20 07:01:27,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:29,168 INFO L129 PetriNetUnfolder]: 4239/9481 cut-off events. [2021-11-20 07:01:29,168 INFO L130 PetriNetUnfolder]: For 22164/22167 co-relation queries the response was YES. [2021-11-20 07:01:29,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27694 conditions, 9481 events. 4239/9481 cut-off events. For 22164/22167 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 79692 event pairs, 3498 based on Foata normal form. 0/9165 useless extension candidates. Maximal degree in co-relation 27678. Up to 6765 conditions per place. [2021-11-20 07:01:29,241 INFO L132 encePairwiseOnDemand]: 165/170 looper letters, 127 selfloop transitions, 4 changer transitions 0/202 dead transitions. [2021-11-20 07:01:29,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 202 transitions, 1426 flow [2021-11-20 07:01:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 608 transitions. [2021-11-20 07:01:29,245 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.596078431372549 [2021-11-20 07:01:29,245 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 608 transitions. [2021-11-20 07:01:29,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 608 transitions. [2021-11-20 07:01:29,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:29,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 608 transitions. [2021-11-20 07:01:29,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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 07:01:29,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:29,252 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:29,252 INFO L186 Difference]: Start difference. First operand has 157 places, 151 transitions, 714 flow. Second operand 6 states and 608 transitions. [2021-11-20 07:01:29,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 202 transitions, 1426 flow [2021-11-20 07:01:29,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 202 transitions, 1268 flow, removed 30 selfloop flow, removed 5 redundant places. [2021-11-20 07:01:29,334 INFO L242 Difference]: Finished difference. Result has 156 places, 150 transitions, 658 flow [2021-11-20 07:01:29,334 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=658, PETRI_PLACES=156, PETRI_TRANSITIONS=150} [2021-11-20 07:01:29,336 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -7 predicate places. [2021-11-20 07:01:29,336 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 150 transitions, 658 flow [2021-11-20 07:01:29,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 07:01:29,337 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:01:29,338 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:29,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:01:29,338 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 07:01:29,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:29,339 INFO L85 PathProgramCache]: Analyzing trace with hash 670842854, now seen corresponding path program 1 times [2021-11-20 07:01:29,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:29,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401473987] [2021-11-20 07:01:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:29,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:29,511 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 07:01:29,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:29,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401473987] [2021-11-20 07:01:29,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401473987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:29,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:29,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:01:29,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633708093] [2021-11-20 07:01:29,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:29,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:01:29,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:29,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:01:29,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:29,514 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 170 [2021-11-20 07:01:29,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 150 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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 07:01:29,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:01:29,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 170 [2021-11-20 07:01:29,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:01:30,866 INFO L129 PetriNetUnfolder]: 4224/9527 cut-off events. [2021-11-20 07:01:30,867 INFO L130 PetriNetUnfolder]: For 18512/18519 co-relation queries the response was YES. [2021-11-20 07:01:30,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26646 conditions, 9527 events. 4224/9527 cut-off events. For 18512/18519 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 80734 event pairs, 3696 based on Foata normal form. 21/9236 useless extension candidates. Maximal degree in co-relation 26632. Up to 7219 conditions per place. [2021-11-20 07:01:30,911 INFO L132 encePairwiseOnDemand]: 165/170 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2021-11-20 07:01:30,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 185 transitions, 1144 flow [2021-11-20 07:01:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:01:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:01:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 599 transitions. [2021-11-20 07:01:30,915 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5872549019607843 [2021-11-20 07:01:30,915 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 599 transitions. [2021-11-20 07:01:30,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 599 transitions. [2021-11-20 07:01:30,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:01:30,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 599 transitions. [2021-11-20 07:01:30,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.83333333333333) internal successors, (599), 6 states have internal predecessors, (599), 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 07:01:30,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:30,923 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 07:01:30,923 INFO L186 Difference]: Start difference. First operand has 156 places, 150 transitions, 658 flow. Second operand 6 states and 599 transitions. [2021-11-20 07:01:30,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 185 transitions, 1144 flow [2021-11-20 07:01:30,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 185 transitions, 1137 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 07:01:30,963 INFO L242 Difference]: Finished difference. Result has 156 places, 0 transitions, 0 flow [2021-11-20 07:01:30,963 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=156, PETRI_TRANSITIONS=0} [2021-11-20 07:01:30,964 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -7 predicate places. [2021-11-20 07:01:30,964 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 0 transitions, 0 flow [2021-11-20 07:01:30,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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 07:01:30,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2021-11-20 07:01:30,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2021-11-20 07:01:30,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2021-11-20 07:01:30,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2021-11-20 07:01:30,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2021-11-20 07:01:30,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2021-11-20 07:01:30,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2021-11-20 07:01:30,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2021-11-20 07:01:30,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2021-11-20 07:01:30,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2021-11-20 07:01:30,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2021-11-20 07:01:30,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2021-11-20 07:01:30,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2021-11-20 07:01:30,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (36 of 50 remaining) [2021-11-20 07:01:30,971 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (35 of 50 remaining) [2021-11-20 07:01:30,971 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (34 of 50 remaining) [2021-11-20 07:01:30,971 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (33 of 50 remaining) [2021-11-20 07:01:30,971 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2021-11-20 07:01:30,971 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2021-11-20 07:01:30,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2021-11-20 07:01:30,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2021-11-20 07:01:30,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2021-11-20 07:01:30,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2021-11-20 07:01:30,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2021-11-20 07:01:30,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2021-11-20 07:01:30,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2021-11-20 07:01:30,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2021-11-20 07:01:30,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2021-11-20 07:01:30,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2021-11-20 07:01:30,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2021-11-20 07:01:30,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2021-11-20 07:01:30,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2021-11-20 07:01:30,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2021-11-20 07:01:30,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2021-11-20 07:01:30,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2021-11-20 07:01:30,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2021-11-20 07:01:30,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2021-11-20 07:01:30,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2021-11-20 07:01:30,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2021-11-20 07:01:30,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2021-11-20 07:01:30,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2021-11-20 07:01:30,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2021-11-20 07:01:30,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2021-11-20 07:01:30,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2021-11-20 07:01:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2021-11-20 07:01:30,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:01:30,982 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:30,987 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:01:30,987 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:01:30,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:01:30 BasicIcfg [2021-11-20 07:01:30,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:01:30,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:01:30,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:01:30,992 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:01:30,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:09" (3/4) ... [2021-11-20 07:01:30,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:01:31,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2021-11-20 07:01:31,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2021-11-20 07:01:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-20 07:01:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 07:01:31,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:01:31,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:01:31,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:01:31,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:01:31,040 INFO L158 Benchmark]: Toolchain (without parser) took 23257.31ms. Allocated memory was 102.8MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 72.1MB in the beginning and 4.2GB in the end (delta: -4.2GB). Peak memory consumption was 796.2MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,041 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:01:31,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.42ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 68.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.88ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 65.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,042 INFO L158 Benchmark]: Boogie Preprocessor took 67.50ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,042 INFO L158 Benchmark]: RCFGBuilder took 769.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 97.1MB in the end (delta: -32.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,043 INFO L158 Benchmark]: TraceAbstraction took 21588.61ms. Allocated memory was 123.7MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 96.4MB in the beginning and 4.2GB in the end (delta: -4.2GB). Peak memory consumption was 853.8MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,043 INFO L158 Benchmark]: Witness Printer took 48.19ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:01:31,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.42ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 68.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.88ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 65.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.50ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 97.1MB in the end (delta: -32.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21588.61ms. Allocated memory was 123.7MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 96.4MB in the beginning and 4.2GB in the end (delta: -4.2GB). Peak memory consumption was 853.8MB. Max. memory is 16.1GB. * Witness Printer took 48.19ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 211 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: 21.3s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 519 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 835 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1925 IncrementalHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 78 mSDtfsCounter, 1925 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=11, InterpolantAutomatonStates: 69, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 802 NumberOfCodeBlocks, 802 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 2438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-20 07:01:31,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4884d1-d4d1-4c54-9d63-de4ecacf9800/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE