./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:15:15,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:15:15,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:15:15,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:15:15,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:15:15,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:15:15,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:15:15,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:15:15,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:15:15,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:15:15,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:15:15,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:15:15,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:15:15,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:15:15,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:15:15,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:15:15,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:15:15,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:15:15,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:15:16,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:15:16,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:15:16,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:15:16,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:15:16,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:15:16,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:15:16,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:15:16,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:15:16,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:15:16,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:15:16,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:15:16,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:15:16,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:15:16,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:15:16,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:15:16,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:15:16,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:15:16,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:15:16,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:15:16,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:15:16,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:15:16,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:15:16,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:15:16,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:15:16,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:15:16,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:15:16,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:15:16,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:15:16,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:15:16,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:15:16,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:15:16,105 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:15:16,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:15:16,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:15:16,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:15:16,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:15:16,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:15:16,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:15:16,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:15:16,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:15:16,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:15:16,107 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:15:16,108 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:15:16,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:15:16,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:15:16,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:15:16,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:15:16,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:15:16,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:15:16,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:15:16,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:15:16,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:15:16,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:15:16,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:15:16,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:15:16,111 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:15:16,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:15:16,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:15:16,111 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_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2022-10-17 10:15:16,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:15:16,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:15:16,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:15:16,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:15:16,457 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:15:16,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-10-17 10:15:16,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/data/4f1344c7d/a041d9de463a4ee984833f5db644526d/FLAGe9c019255 [2022-10-17 10:15:17,315 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:15:17,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-10-17 10:15:17,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/data/4f1344c7d/a041d9de463a4ee984833f5db644526d/FLAGe9c019255 [2022-10-17 10:15:17,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/data/4f1344c7d/a041d9de463a4ee984833f5db644526d [2022-10-17 10:15:17,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:15:17,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:15:17,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:17,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:15:17,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:15:17,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:17" (1/1) ... [2022-10-17 10:15:17,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fe9ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:17, skipping insertion in model container [2022-10-17 10:15:17,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:17" (1/1) ... [2022-10-17 10:15:17,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:15:17,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:15:18,405 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_d0040402-45a6-4111-8099-0d44fe06aeb5/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-10-17 10:15:18,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:18,460 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:15:18,509 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_d0040402-45a6-4111-8099-0d44fe06aeb5/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-10-17 10:15:18,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:18,642 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:15:18,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18 WrapperNode [2022-10-17 10:15:18,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:18,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:18,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:15:18,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:15:18,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,723 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-10-17 10:15:18,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:18,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:15:18,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:15:18,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:15:18,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:15:18,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:15:18,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:15:18,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:15:18,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (1/1) ... [2022-10-17 10:15:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:15:18,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:15:18,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:15:18,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0040402-45a6-4111-8099-0d44fe06aeb5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:15:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:15:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:15:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:15:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:15:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:15:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:15:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:15:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-10-17 10:15:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-10-17 10:15:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:15:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:15:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:15:18,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:15:19,342 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:15:19,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:15:19,854 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:15:19,871 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:15:19,871 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:15:19,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:19 BoogieIcfgContainer [2022-10-17 10:15:19,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:15:19,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:15:19,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:15:19,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:15:19,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:15:17" (1/3) ... [2022-10-17 10:15:19,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e54f4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:15:19, skipping insertion in model container [2022-10-17 10:15:19,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:18" (2/3) ... [2022-10-17 10:15:19,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e54f4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:15:19, skipping insertion in model container [2022-10-17 10:15:19,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:19" (3/3) ... [2022-10-17 10:15:19,883 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2022-10-17 10:15:19,892 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:15:19,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:15:19,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-10-17 10:15:19,902 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:15:20,035 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-17 10:15:20,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 323 transitions, 662 flow [2022-10-17 10:15:20,368 INFO L130 PetriNetUnfolder]: 10/400 cut-off events. [2022-10-17 10:15:20,368 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-10-17 10:15:20,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 400 events. 10/400 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 828 event pairs, 0 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 229. Up to 4 conditions per place. [2022-10-17 10:15:20,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 321 places, 323 transitions, 662 flow [2022-10-17 10:15:20,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 320 transitions, 652 flow [2022-10-17 10:15:20,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:15:20,415 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fcd3cb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:15:20,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-10-17 10:15:20,426 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-10-17 10:15:20,426 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:15:20,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:15:20,427 INFO L208 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] [2022-10-17 10:15:20,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-10-17 10:15:20,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:20,433 INFO L85 PathProgramCache]: Analyzing trace with hash 32690800, now seen corresponding path program 1 times [2022-10-17 10:15:20,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:20,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74045246] [2022-10-17 10:15:20,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:15:21,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:21,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74045246] [2022-10-17 10:15:21,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74045246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:21,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:21,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:15:21,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924505625] [2022-10-17 10:15:21,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:21,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:15:21,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:21,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:15:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:15:21,617 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 323 [2022-10-17 10:15:21,624 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 190.66666666666666) internal successors, (1144), 6 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:21,624 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:15:21,624 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 323 [2022-10-17 10:15:21,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:15:30,960 INFO L130 PetriNetUnfolder]: 20989/45125 cut-off events. [2022-10-17 10:15:30,961 INFO L131 PetriNetUnfolder]: For 80/85 co-relation queries the response was YES. [2022-10-17 10:15:31,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77596 conditions, 45125 events. 20989/45125 cut-off events. For 80/85 co-relation queries the response was YES. Maximal size of possible extension queue 1057. Compared 451758 event pairs, 20988 based on Foata normal form. 612/39455 useless extension candidates. Maximal degree in co-relation 76698. Up to 32403 conditions per place. [2022-10-17 10:15:31,338 INFO L137 encePairwiseOnDemand]: 311/323 looper letters, 116 selfloop transitions, 5 changer transitions 4/307 dead transitions. [2022-10-17 10:15:31,338 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 307 transitions, 868 flow [2022-10-17 10:15:31,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:15:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:15:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2022-10-17 10:15:31,365 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.651186790505676 [2022-10-17 10:15:31,366 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1262 transitions. [2022-10-17 10:15:31,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1262 transitions. [2022-10-17 10:15:31,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:15:31,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1262 transitions. [2022-10-17 10:15:31,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.33333333333334) internal successors, (1262), 6 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:31,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:31,398 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:31,400 INFO L175 Difference]: Start difference. First operand has 319 places, 320 transitions, 652 flow. Second operand 6 states and 1262 transitions. [2022-10-17 10:15:31,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 307 transitions, 868 flow [2022-10-17 10:15:31,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 307 transitions, 860 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-10-17 10:15:31,432 INFO L231 Difference]: Finished difference. Result has 313 places, 303 transitions, 620 flow [2022-10-17 10:15:31,434 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=313, PETRI_TRANSITIONS=303} [2022-10-17 10:15:31,439 INFO L287 CegarLoopForPetriNet]: 319 programPoint places, -6 predicate places. [2022-10-17 10:15:31,440 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 303 transitions, 620 flow [2022-10-17 10:15:31,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.66666666666666) internal successors, (1144), 6 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:31,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:15:31,442 INFO L208 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] [2022-10-17 10:15:31,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:15:31,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-10-17 10:15:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:31,444 INFO L85 PathProgramCache]: Analyzing trace with hash 696272735, now seen corresponding path program 1 times [2022-10-17 10:15:31,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:31,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486780354] [2022-10-17 10:15:31,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:31,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:15:32,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:32,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486780354] [2022-10-17 10:15:32,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486780354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:32,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:32,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:15:32,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939129452] [2022-10-17 10:15:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:32,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:15:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:15:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:15:32,227 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 323 [2022-10-17 10:15:32,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 303 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 191.66666666666666) internal successors, (1150), 6 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:32,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:15:32,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 323 [2022-10-17 10:15:32,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:15:39,905 INFO L130 PetriNetUnfolder]: 20989/45120 cut-off events. [2022-10-17 10:15:39,906 INFO L131 PetriNetUnfolder]: For 21/26 co-relation queries the response was YES. [2022-10-17 10:15:39,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77554 conditions, 45120 events. 20989/45120 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 1049. Compared 451089 event pairs, 20988 based on Foata normal form. 0/38843 useless extension candidates. Maximal degree in co-relation 77493. Up to 32402 conditions per place. [2022-10-17 10:15:40,194 INFO L137 encePairwiseOnDemand]: 317/323 looper letters, 115 selfloop transitions, 5 changer transitions 0/302 dead transitions. [2022-10-17 10:15:40,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 302 transitions, 858 flow [2022-10-17 10:15:40,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:15:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:15:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2022-10-17 10:15:40,200 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6475748194014448 [2022-10-17 10:15:40,201 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2022-10-17 10:15:40,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2022-10-17 10:15:40,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:15:40,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2022-10-17 10:15:40,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,215 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,215 INFO L175 Difference]: Start difference. First operand has 313 places, 303 transitions, 620 flow. Second operand 6 states and 1255 transitions. [2022-10-17 10:15:40,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 302 transitions, 858 flow [2022-10-17 10:15:40,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 302 transitions, 848 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 10:15:40,229 INFO L231 Difference]: Finished difference. Result has 308 places, 302 transitions, 618 flow [2022-10-17 10:15:40,230 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=308, PETRI_TRANSITIONS=302} [2022-10-17 10:15:40,231 INFO L287 CegarLoopForPetriNet]: 319 programPoint places, -11 predicate places. [2022-10-17 10:15:40,231 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 302 transitions, 618 flow [2022-10-17 10:15:40,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.66666666666666) internal successors, (1150), 6 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,233 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:15:40,233 INFO L208 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] [2022-10-17 10:15:40,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:15:40,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-10-17 10:15:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:40,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1775371588, now seen corresponding path program 1 times [2022-10-17 10:15:40,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:40,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048716925] [2022-10-17 10:15:40,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:15:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:40,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048716925] [2022-10-17 10:15:40,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048716925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:40,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:40,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:15:40,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873072699] [2022-10-17 10:15:40,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:40,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:15:40,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:40,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:15:40,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:15:40,964 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 323 [2022-10-17 10:15:40,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 302 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:40,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:15:40,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 323 [2022-10-17 10:15:40,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:15:48,274 INFO L130 PetriNetUnfolder]: 20989/44620 cut-off events. [2022-10-17 10:15:48,275 INFO L131 PetriNetUnfolder]: For 21/26 co-relation queries the response was YES. [2022-10-17 10:15:48,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77052 conditions, 44620 events. 20989/44620 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 1050. Compared 443927 event pairs, 18324 based on Foata normal form. 0/38444 useless extension candidates. Maximal degree in co-relation 76977. Up to 32378 conditions per place. [2022-10-17 10:15:48,527 INFO L137 encePairwiseOnDemand]: 315/323 looper letters, 120 selfloop transitions, 7 changer transitions 0/311 dead transitions. [2022-10-17 10:15:48,528 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 311 transitions, 891 flow [2022-10-17 10:15:48,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:15:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:15:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1274 transitions. [2022-10-17 10:15:48,534 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6573787409700722 [2022-10-17 10:15:48,534 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1274 transitions. [2022-10-17 10:15:48,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1274 transitions. [2022-10-17 10:15:48,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:15:48,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1274 transitions. [2022-10-17 10:15:48,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.33333333333334) internal successors, (1274), 6 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:48,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:48,554 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:48,554 INFO L175 Difference]: Start difference. First operand has 308 places, 302 transitions, 618 flow. Second operand 6 states and 1274 transitions. [2022-10-17 10:15:48,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 311 transitions, 891 flow [2022-10-17 10:15:48,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 311 transitions, 881 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 10:15:48,565 INFO L231 Difference]: Finished difference. Result has 308 places, 304 transitions, 636 flow [2022-10-17 10:15:48,567 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=308, PETRI_TRANSITIONS=304} [2022-10-17 10:15:48,570 INFO L287 CegarLoopForPetriNet]: 319 programPoint places, -11 predicate places. [2022-10-17 10:15:48,570 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 304 transitions, 636 flow [2022-10-17 10:15:48,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:15:48,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:15:48,572 INFO L208 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] [2022-10-17 10:15:48,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:15:48,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-10-17 10:15:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 279398854, now seen corresponding path program 1 times [2022-10-17 10:15:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:48,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717540993] [2022-10-17 10:15:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat