./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8 --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 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 --- 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-2329fc7 [2022-12-13 12:15:29,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:15:29,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:15:29,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:15:29,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:15:29,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:15:29,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:15:29,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:15:29,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:15:29,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:15:29,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:15:29,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:15:29,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:15:29,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:15:29,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:15:29,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:15:29,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:15:29,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:15:29,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:15:29,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:15:29,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:15:29,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:15:29,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:15:29,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:15:29,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:15:29,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:15:29,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:15:29,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:15:29,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:15:29,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:15:29,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:15:29,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:15:29,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:15:29,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:15:29,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:15:29,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:15:29,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:15:29,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:15:29,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:15:29,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:15:29,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:15:29,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 12:15:29,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:15:29,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:15:29,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:15:29,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:15:29,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:15:29,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:15:29,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:15:29,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:15:29,365 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:15:29,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:15:29,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:15:29,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:15:29,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 12:15:29,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:15:29,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:15:29,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:15:29,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:15:29,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:15:29,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:15:29,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:15:29,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:15:29,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:15:29,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:15:29,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:15:29,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:15:29,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:15:29,369 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 [2022-12-13 12:15:29,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:15:29,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:15:29,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:15:29,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:15:29,576 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:15:29,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread/reorder_5.i [2022-12-13 12:15:32,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:15:32,559 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:15:32,560 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/sv-benchmarks/c/pthread/reorder_5.i [2022-12-13 12:15:32,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/data/64a9ff606/7ea596ff7342494288c6c69c0e871cb1/FLAG3b52d12f2 [2022-12-13 12:15:32,588 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/data/64a9ff606/7ea596ff7342494288c6c69c0e871cb1 [2022-12-13 12:15:32,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:15:32,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:15:32,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:15:32,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:15:32,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:15:32,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:15:32" (1/1) ... [2022-12-13 12:15:32,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4285cb20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:32, skipping insertion in model container [2022-12-13 12:15:32,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:15:32" (1/1) ... [2022-12-13 12:15:32,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:15:32,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:15:33,173 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,185 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,189 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,191 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,192 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,197 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,198 WARN L237 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_447a9116-4408-4bbe-8791-c3dbadde2e3d/sv-benchmarks/c/pthread/reorder_5.i[59395,59408] [2022-12-13 12:15:33,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:15:33,207 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:15:33,245 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,253 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,255 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,258 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,260 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,264 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 12:15:33,264 WARN L237 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_447a9116-4408-4bbe-8791-c3dbadde2e3d/sv-benchmarks/c/pthread/reorder_5.i[59395,59408] [2022-12-13 12:15:33,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:15:33,317 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:15:33,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33 WrapperNode [2022-12-13 12:15:33,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:15:33,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:15:33,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:15:33,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:15:33,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,370 INFO L138 Inliner]: procedures = 369, calls = 39, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2022-12-13 12:15:33,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:15:33,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:15:33,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:15:33,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:15:33,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:15:33,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:15:33,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:15:33,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:15:33,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (1/1) ... [2022-12-13 12:15:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:15:33,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:15:33,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:15:33,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447a9116-4408-4bbe-8791-c3dbadde2e3d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-12-13 12:15:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:15:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-12-13 12:15:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-12-13 12:15:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:15:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:15:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:15:33,487 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:15:33,629 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:15:33,631 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:15:33,959 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:15:33,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:15:33,968 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 12:15:33,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:15:33 BoogieIcfgContainer [2022-12-13 12:15:33,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:15:33,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:15:33,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:15:33,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:15:33,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:15:32" (1/3) ... [2022-12-13 12:15:33,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab8af79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:15:33, skipping insertion in model container [2022-12-13 12:15:33,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:33" (2/3) ... [2022-12-13 12:15:33,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab8af79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:15:33, skipping insertion in model container [2022-12-13 12:15:33,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:15:33" (3/3) ... [2022-12-13 12:15:33,978 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2022-12-13 12:15:33,986 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:15:33,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:15:33,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-12-13 12:15:33,997 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:15:34,057 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-13 12:15:34,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,211 INFO L130 PetriNetUnfolder]: 43/625 cut-off events. [2022-12-13 12:15:34,211 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 12:15:34,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 625 events. 43/625 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2648 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 330. Up to 8 conditions per place. [2022-12-13 12:15:34,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,235 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,238 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:15:34,247 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,249 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 306 transitions, 634 flow [2022-12-13 12:15:34,367 INFO L130 PetriNetUnfolder]: 43/625 cut-off events. [2022-12-13 12:15:34,367 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 12:15:34,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 625 events. 43/625 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2648 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 330. Up to 8 conditions per place. [2022-12-13 12:15:34,383 INFO L119 LiptonReduction]: Number of co-enabled transitions 14204 [2022-12-13 12:16:17,467 WARN L233 SmtUtils]: Spent 23.90s on a formula simplification. DAG size of input: 244 DAG size of output: 235 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:16:30,097 WARN L233 SmtUtils]: Spent 12.63s on a formula simplification that was a NOOP. DAG size: 235 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:17:03,748 WARN L233 SmtUtils]: Spent 33.65s on a formula simplification. DAG size of input: 257 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:17:19,964 WARN L233 SmtUtils]: Spent 16.21s on a formula simplification that was a NOOP. DAG size: 248 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:17:20,157 INFO L134 LiptonReduction]: Checked pairs total: 42385 [2022-12-13 12:17:20,158 INFO L136 LiptonReduction]: Total number of compositions: 324 [2022-12-13 12:17:20,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:17:20,173 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;@6236c63e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:17:20,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-12-13 12:17:20,174 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:17:20,174 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:17:20,175 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:17:20,175 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 12:17:20,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2022-12-13 12:17:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1092, now seen corresponding path program 1 times [2022-12-13 12:17:20,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:20,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424368148] [2022-12-13 12:17:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:17:20,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:20,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424368148] [2022-12-13 12:17:20,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424368148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:17:20,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:17:20,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 12:17:20,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551108219] [2022-12-13 12:17:20,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:17:20,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:17:20,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:20,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:17:20,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:17:20,315 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 630 [2022-12-13 12:17:20,318 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 73 transitions, 168 flow. Second operand has 2 states, 2 states have (on average 288.5) internal successors, (577), 2 states have internal predecessors, (577), 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) [2022-12-13 12:17:20,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:17:20,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 630 [2022-12-13 12:17:20,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:17:20,658 INFO L130 PetriNetUnfolder]: 1157/2554 cut-off events. [2022-12-13 12:17:20,659 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-13 12:17:20,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4435 conditions, 2554 events. 1157/2554 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 18452 event pairs, 891 based on Foata normal form. 0/1857 useless extension candidates. Maximal degree in co-relation 3700. Up to 1822 conditions per place. [2022-12-13 12:17:20,672 INFO L137 encePairwiseOnDemand]: 616/630 looper letters, 37 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2022-12-13 12:17:20,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 59 transitions, 214 flow [2022-12-13 12:17:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:17:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:17:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 627 transitions. [2022-12-13 12:17:20,684 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4976190476190476 [2022-12-13 12:17:20,685 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 627 transitions. [2022-12-13 12:17:20,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 627 transitions. [2022-12-13 12:17:20,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:17:20,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 627 transitions. [2022-12-13 12:17:20,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 313.5) internal successors, (627), 2 states have internal predecessors, (627), 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) [2022-12-13 12:17:20,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 630.0) internal successors, (1890), 3 states have internal predecessors, (1890), 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) [2022-12-13 12:17:20,702 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 630.0) internal successors, (1890), 3 states have internal predecessors, (1890), 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) [2022-12-13 12:17:20,705 INFO L175 Difference]: Start difference. First operand has 71 places, 73 transitions, 168 flow. Second operand 2 states and 627 transitions. [2022-12-13 12:17:20,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 59 transitions, 214 flow [2022-12-13 12:17:20,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 214 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:17:20,714 INFO L231 Difference]: Finished difference. Result has 58 places, 59 transitions, 140 flow [2022-12-13 12:17:20,716 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=59} [2022-12-13 12:17:20,720 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, -13 predicate places. [2022-12-13 12:17:20,720 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 59 transitions, 140 flow [2022-12-13 12:17:20,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 288.5) internal successors, (577), 2 states have internal predecessors, (577), 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) [2022-12-13 12:17:20,721 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:17:20,721 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-12-13 12:17:20,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:17:20,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2022-12-13 12:17:20,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1793453509, now seen corresponding path program 1 times [2022-12-13 12:17:20,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:20,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280048929] [2022-12-13 12:17:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:17:20,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:17:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:17:20,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:17:20,927 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:17:20,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2022-12-13 12:17:20,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-12-13 12:17:20,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-12-13 12:17:20,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-12-13 12:17:20,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-12-13 12:17:20,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-12-13 12:17:20,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-12-13 12:17:20,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-12-13 12:17:20,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-12-13 12:17:20,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-12-13 12:17:20,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-12-13 12:17:20,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-12-13 12:17:20,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-12-13 12:17:20,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 33 remaining) [2022-12-13 12:17:20,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-12-13 12:17:20,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-12-13 12:17:20,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-12-13 12:17:20,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-12-13 12:17:20,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-12-13 12:17:20,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-12-13 12:17:20,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-12-13 12:17:20,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:17:20,936 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 12:17:20,939 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 12:17:20,939 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 12:17:20,980 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-12-13 12:17:20,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,237 INFO L130 PetriNetUnfolder]: 167/1913 cut-off events. [2022-12-13 12:17:21,238 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-12-13 12:17:21,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1913 events. 167/1913 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 11725 event pairs, 1 based on Foata normal form. 0/1604 useless extension candidates. Maximal degree in co-relation 1104. Up to 32 conditions per place. [2022-12-13 12:17:21,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,285 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:17:21,286 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,286 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 368 transitions, 784 flow [2022-12-13 12:17:21,529 INFO L130 PetriNetUnfolder]: 167/1913 cut-off events. [2022-12-13 12:17:21,529 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-12-13 12:17:21,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1913 events. 167/1913 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 11725 event pairs, 1 based on Foata normal form. 0/1604 useless extension candidates. Maximal degree in co-relation 1104. Up to 32 conditions per place. [2022-12-13 12:17:21,567 INFO L119 LiptonReduction]: Number of co-enabled transitions 35748 [2022-12-13 12:18:00,177 WARN L233 SmtUtils]: Spent 11.79s on a formula simplification. DAG size of input: 266 DAG size of output: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:18:05,603 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 257 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:18:05,615 INFO L134 LiptonReduction]: Checked pairs total: 123067 [2022-12-13 12:18:05,615 INFO L136 LiptonReduction]: Total number of compositions: 354 [2022-12-13 12:18:05,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:18:05,618 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;@6236c63e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:18:05,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-12-13 12:18:05,619 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:18:05,619 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:18:05,619 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:18:05,619 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 12:18:05,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 12:18:05,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:05,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1880, now seen corresponding path program 1 times [2022-12-13 12:18:05,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:05,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391600991] [2022-12-13 12:18:05,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:18:05,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:18:05,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391600991] [2022-12-13 12:18:05,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391600991] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:18:05,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:18:05,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 12:18:05,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435287162] [2022-12-13 12:18:05,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:18:05,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:18:05,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:18:05,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:18:05,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:18:05,633 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 722 [2022-12-13 12:18:05,635 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 111 transitions, 270 flow. Second operand has 2 states, 2 states have (on average 342.5) internal successors, (685), 2 states have internal predecessors, (685), 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) [2022-12-13 12:18:05,635 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:18:05,635 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 722 [2022-12-13 12:18:05,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:18:19,172 INFO L130 PetriNetUnfolder]: 148481/225082 cut-off events. [2022-12-13 12:18:19,172 INFO L131 PetriNetUnfolder]: For 8964/8964 co-relation queries the response was YES. [2022-12-13 12:18:19,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419076 conditions, 225082 events. 148481/225082 cut-off events. For 8964/8964 co-relation queries the response was YES. Maximal size of possible extension queue 7683. Compared 2037047 event pairs, 114219 based on Foata normal form. 0/172268 useless extension candidates. Maximal degree in co-relation 163590. Up to 188585 conditions per place. [2022-12-13 12:18:20,653 INFO L137 encePairwiseOnDemand]: 708/722 looper letters, 57 selfloop transitions, 0 changer transitions 0/97 dead transitions. [2022-12-13 12:18:20,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 356 flow [2022-12-13 12:18:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:18:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:18:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 755 transitions. [2022-12-13 12:18:20,657 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5228531855955678 [2022-12-13 12:18:20,657 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 755 transitions. [2022-12-13 12:18:20,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 755 transitions. [2022-12-13 12:18:20,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:18:20,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 755 transitions. [2022-12-13 12:18:20,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 377.5) internal successors, (755), 2 states have internal predecessors, (755), 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) [2022-12-13 12:18:20,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 722.0) internal successors, (2166), 3 states have internal predecessors, (2166), 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) [2022-12-13 12:18:20,663 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 722.0) internal successors, (2166), 3 states have internal predecessors, (2166), 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) [2022-12-13 12:18:20,664 INFO L175 Difference]: Start difference. First operand has 106 places, 111 transitions, 270 flow. Second operand 2 states and 755 transitions. [2022-12-13 12:18:20,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 356 flow [2022-12-13 12:18:20,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 356 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:18:20,752 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 242 flow [2022-12-13 12:18:20,752 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=722, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=242, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2022-12-13 12:18:20,753 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -13 predicate places. [2022-12-13 12:18:20,753 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 242 flow [2022-12-13 12:18:20,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 342.5) internal successors, (685), 2 states have internal predecessors, (685), 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) [2022-12-13 12:18:20,753 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:18:20,753 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:18:20,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:18:20,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 12:18:20,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash -116863301, now seen corresponding path program 1 times [2022-12-13 12:18:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:20,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272260558] [2022-12-13 12:18:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:18:20,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:18:20,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272260558] [2022-12-13 12:18:20,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272260558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:18:20,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:18:20,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:18:20,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782169188] [2022-12-13 12:18:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:18:20,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:18:20,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:18:20,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:18:20,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:18:20,883 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 722 [2022-12-13 12:18:20,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 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) [2022-12-13 12:18:20,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:18:20,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 722 [2022-12-13 12:18:20,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:19:06,107 INFO L130 PetriNetUnfolder]: 572632/836030 cut-off events. [2022-12-13 12:19:06,107 INFO L131 PetriNetUnfolder]: For 37453/37453 co-relation queries the response was YES. [2022-12-13 12:19:07,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1591787 conditions, 836030 events. 572632/836030 cut-off events. For 37453/37453 co-relation queries the response was YES. Maximal size of possible extension queue 25632. Compared 7929630 event pairs, 179750 based on Foata normal form. 0/656391 useless extension candidates. Maximal degree in co-relation 1591780. Up to 373590 conditions per place. [2022-12-13 12:19:10,906 INFO L137 encePairwiseOnDemand]: 708/722 looper letters, 111 selfloop transitions, 10 changer transitions 0/152 dead transitions. [2022-12-13 12:19:10,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 152 transitions, 623 flow [2022-12-13 12:19:10,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:19:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:19:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1109 transitions. [2022-12-13 12:19:10,910 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5120036934441367 [2022-12-13 12:19:10,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1109 transitions. [2022-12-13 12:19:10,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1109 transitions. [2022-12-13 12:19:10,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:19:10,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1109 transitions. [2022-12-13 12:19:10,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 369.6666666666667) internal successors, (1109), 3 states have internal predecessors, (1109), 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) [2022-12-13 12:19:10,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:19:10,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:19:10,916 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 242 flow. Second operand 3 states and 1109 transitions. [2022-12-13 12:19:10,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 152 transitions, 623 flow [2022-12-13 12:19:11,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 152 transitions, 623 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:19:11,013 INFO L231 Difference]: Finished difference. Result has 97 places, 107 transitions, 330 flow [2022-12-13 12:19:11,014 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=722, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=97, PETRI_TRANSITIONS=107} [2022-12-13 12:19:11,014 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -9 predicate places. [2022-12-13 12:19:11,014 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 107 transitions, 330 flow [2022-12-13 12:19:11,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 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) [2022-12-13 12:19:11,015 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:19:11,015 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:19:11,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:19:11,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 12:19:11,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:19:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash -128742446, now seen corresponding path program 1 times [2022-12-13 12:19:11,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:19:11,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3881307] [2022-12-13 12:19:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:19:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:19:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:19:11,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:19:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3881307] [2022-12-13 12:19:11,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3881307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:19:11,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:19:11,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:19:11,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228559110] [2022-12-13 12:19:11,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:19:11,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:19:11,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:19:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:19:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:19:11,088 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 722 [2022-12-13 12:19:11,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 107 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2022-12-13 12:19:11,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:19:11,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 722 [2022-12-13 12:19:11,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:19:42,466 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [253#L1266-7true, 361#true, 61#L1280-3true, Black: 357#(= |#race~a~0| 0), setThreadThread1of2ForFork1NotInUse, 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:42,466 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2022-12-13 12:19:42,466 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:19:42,466 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:19:42,466 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:19:47,402 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [172#L1272-7true, 361#true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, 126#L1285-13true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:47,402 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:19:47,402 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:19:47,402 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:19:47,402 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:19:50,168 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [361#true, 61#L1280-3true, 122#L1267-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:50,168 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,168 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,168 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,168 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,169 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [361#true, 61#L1280-3true, Black: 357#(= |#race~a~0| 0), setThreadThread1of2ForFork1NotInUse, 304#L1265-13true, 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:50,169 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,169 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,169 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:50,169 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:19:53,505 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [361#true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, 313#L1266-6true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:53,506 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [5#L1271-13true, 361#true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:53,506 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:53,506 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:54,437 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [361#true, 61#L1280-3true, Black: 357#(= |#race~a~0| 0), setThreadThread1of2ForFork1NotInUse, 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, 237#L1273-3true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:54,437 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:19:54,437 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:54,437 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:54,437 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [140#ULTIMATE.startEXITtrue, 361#true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true]) [2022-12-13 12:19:56,217 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][105], [361#true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, Black: 357#(= |#race~a~0| 0), 352#true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 355#true, 178#L1272-6true]) [2022-12-13 12:19:56,217 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:19:56,217 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:06,284 INFO L130 PetriNetUnfolder]: 611962/914134 cut-off events. [2022-12-13 12:20:06,284 INFO L131 PetriNetUnfolder]: For 221123/222545 co-relation queries the response was YES. [2022-12-13 12:20:08,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1902514 conditions, 914134 events. 611962/914134 cut-off events. For 221123/222545 co-relation queries the response was YES. Maximal size of possible extension queue 31870. Compared 9234254 event pairs, 350383 based on Foata normal form. 0/697781 useless extension candidates. Maximal degree in co-relation 1902505. Up to 696705 conditions per place. [2022-12-13 12:20:12,214 INFO L137 encePairwiseOnDemand]: 714/722 looper letters, 107 selfloop transitions, 13 changer transitions 0/162 dead transitions. [2022-12-13 12:20:12,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 162 transitions, 741 flow [2022-12-13 12:20:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:20:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:20:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1106 transitions. [2022-12-13 12:20:12,217 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5106186518928901 [2022-12-13 12:20:12,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1106 transitions. [2022-12-13 12:20:12,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1106 transitions. [2022-12-13 12:20:12,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:20:12,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1106 transitions. [2022-12-13 12:20:12,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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) [2022-12-13 12:20:12,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:20:12,223 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:20:12,223 INFO L175 Difference]: Start difference. First operand has 97 places, 107 transitions, 330 flow. Second operand 3 states and 1106 transitions. [2022-12-13 12:20:12,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 162 transitions, 741 flow [2022-12-13 12:20:15,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 162 transitions, 711 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:20:15,083 INFO L231 Difference]: Finished difference. Result has 98 places, 118 transitions, 415 flow [2022-12-13 12:20:15,083 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=722, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=98, PETRI_TRANSITIONS=118} [2022-12-13 12:20:15,084 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -8 predicate places. [2022-12-13 12:20:15,084 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 118 transitions, 415 flow [2022-12-13 12:20:15,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2022-12-13 12:20:15,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:20:15,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:20:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:20:15,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 12:20:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:20:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash 671992890, now seen corresponding path program 1 times [2022-12-13 12:20:15,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:20:15,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072968977] [2022-12-13 12:20:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:20:15,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:20:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:20:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:20:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:20:15,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072968977] [2022-12-13 12:20:15,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072968977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:20:15,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:20:15,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:20:15,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86736662] [2022-12-13 12:20:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:20:15,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:20:15,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:20:15,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:20:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:20:15,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 722 [2022-12-13 12:20:15,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 118 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2022-12-13 12:20:15,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:20:15,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 722 [2022-12-13 12:20:15,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:20:25,391 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][142], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 357#(= |#race~a~0| 0), 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:25,391 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-13 12:20:25,391 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 12:20:25,391 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 12:20:25,391 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 12:20:28,358 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][142], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 357#(= |#race~a~0| 0), 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:28,359 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is not cut-off event [2022-12-13 12:20:28,359 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:20:28,359 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:20:28,359 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:20:28,359 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:20:31,901 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 357#(= |#race~a~0| 0), 192#L1285-20true, 352#true, 366#true, 273#L1259-4true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:31,901 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2022-12-13 12:20:31,901 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:20:31,901 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:20:31,901 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:20:34,970 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][106], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 352#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:34,971 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2022-12-13 12:20:34,971 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:34,971 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:34,971 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:35,240 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][142], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 357#(= |#race~a~0| 0), 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 291#L1261-3true, 61#L1280-3true, setThreadThread1of2ForFork1InUse, 67#L1285-16true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:35,240 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2022-12-13 12:20:35,240 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:35,240 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:35,241 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:20:43,741 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 253#L1266-7true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:43,742 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2022-12-13 12:20:43,742 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:20:43,742 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:20:43,742 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:20:48,019 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, 172#L1272-7true, Black: 357#(= |#race~a~0| 0), 366#true, 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:48,019 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:20:48,019 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:20:48,019 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:20:48,019 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:20:50,682 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][142], [368#(= |#race~stderr~0| 0), 361#true, Black: 357#(= |#race~a~0| 0), 122#L1267-3true, 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:50,682 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,682 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,682 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,682 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,683 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 304#L1265-13true, 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:50,683 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,683 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,683 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:50,683 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:20:53,593 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, 313#L1266-6true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:53,593 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,593 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,593 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,593 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,594 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 5#L1271-13true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:53,594 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,594 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,594 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:53,594 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:54,318 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][142], [368#(= |#race~stderr~0| 0), 361#true, Black: 357#(= |#race~a~0| 0), 352#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 237#L1273-3true, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:54,318 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:20:54,319 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:54,319 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:54,319 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:20:55,972 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 140#ULTIMATE.startEXITtrue, 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:55,972 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,972 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,972 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,972 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,973 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][113], [361#true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1NotInUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 279#L1285-2true, checkThreadThread2of2ForFork0InUse, 178#L1272-6true]) [2022-12-13 12:20:55,973 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,973 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,973 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:55,973 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:20:58,876 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][81], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 304#L1265-13true, 352#true, 366#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1NotInUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:58,876 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 12:20:58,876 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:20:58,876 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-13 12:20:58,876 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-13 12:20:59,950 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][81], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 352#true, 366#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1NotInUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, 313#L1266-6true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:20:59,950 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 12:20:59,951 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 12:20:59,951 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:20:59,951 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 12:21:00,232 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][81], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 352#true, 366#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 5#L1271-13true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1NotInUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:00,232 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 12:21:00,232 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:21:00,232 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 12:21:00,232 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 12:21:01,604 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][81], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 352#true, 366#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 140#ULTIMATE.startEXITtrue, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1NotInUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:01,604 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 12:21:01,605 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:21:01,605 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:21:01,605 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:21:01,687 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1629] L1285-9-->L1285-12: Formula: (and (= |v_#race~a~0_28| 0) (not |v_checkThreadThread2of2ForFork0_#t~short66_33|)) InVars {checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|} OutVars{checkThreadThread2of2ForFork0_#t~short66=|v_checkThreadThread2of2ForFork0_#t~short66_33|, #race~a~0=|v_#race~a~0_28|} AuxVars[] AssignedVars[#race~a~0][81], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 361#true, Black: 355#true, 352#true, 366#true, 339#L1285-12true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1NotInUse, checkThreadThread1of2ForFork0InUse, 126#L1285-13true, checkThreadThread2of2ForFork0InUse, 178#L1272-6true]) [2022-12-13 12:21:01,687 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 12:21:01,687 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:21:01,687 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 12:21:01,687 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:21:05,398 INFO L130 PetriNetUnfolder]: 560318/826740 cut-off events. [2022-12-13 12:21:05,398 INFO L131 PetriNetUnfolder]: For 313307/349812 co-relation queries the response was YES. [2022-12-13 12:21:07,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835941 conditions, 826740 events. 560318/826740 cut-off events. For 313307/349812 co-relation queries the response was YES. Maximal size of possible extension queue 29698. Compared 8067798 event pairs, 232370 based on Foata normal form. 69408/695342 useless extension candidates. Maximal degree in co-relation 1835931. Up to 482406 conditions per place. [2022-12-13 12:21:10,986 INFO L137 encePairwiseOnDemand]: 712/722 looper letters, 134 selfloop transitions, 5 changer transitions 0/179 dead transitions. [2022-12-13 12:21:10,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 179 transitions, 939 flow [2022-12-13 12:21:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:21:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:21:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2022-12-13 12:21:10,990 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49630655586334255 [2022-12-13 12:21:10,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1075 transitions. [2022-12-13 12:21:10,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1075 transitions. [2022-12-13 12:21:10,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:21:10,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1075 transitions. [2022-12-13 12:21:10,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 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) [2022-12-13 12:21:10,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:21:10,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 722.0) internal successors, (2888), 4 states have internal predecessors, (2888), 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) [2022-12-13 12:21:10,997 INFO L175 Difference]: Start difference. First operand has 98 places, 118 transitions, 415 flow. Second operand 3 states and 1075 transitions. [2022-12-13 12:21:10,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 179 transitions, 939 flow [2022-12-13 12:21:11,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 179 transitions, 915 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:21:11,549 INFO L231 Difference]: Finished difference. Result has 95 places, 118 transitions, 427 flow [2022-12-13 12:21:11,549 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=722, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=95, PETRI_TRANSITIONS=118} [2022-12-13 12:21:11,549 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -11 predicate places. [2022-12-13 12:21:11,549 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 118 transitions, 427 flow [2022-12-13 12:21:11,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2022-12-13 12:21:11,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:21:11,550 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:21:11,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:21:11,550 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 12:21:11,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:21:11,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1745453439, now seen corresponding path program 1 times [2022-12-13 12:21:11,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:21:11,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698926672] [2022-12-13 12:21:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:21:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:21:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:21:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:21:11,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:21:11,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698926672] [2022-12-13 12:21:11,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698926672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:21:11,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:21:11,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:21:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512200761] [2022-12-13 12:21:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:21:11,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:21:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:21:11,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:21:11,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:21:11,606 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 722 [2022-12-13 12:21:11,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 118 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 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) [2022-12-13 12:21:11,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:21:11,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 722 [2022-12-13 12:21:11,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:21:32,512 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, 373#(= |#race~b~0| 0), Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 273#L1259-4true, 61#L1280-3true, setThreadThread1of2ForFork1InUse, 67#L1285-16true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:32,512 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is not cut-off event [2022-12-13 12:21:32,512 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:21:32,512 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:21:32,512 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2022-12-13 12:21:32,788 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][147], [322#L1281true, 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 366#true, 373#(= |#race~b~0| 0), 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 273#L1259-4true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:32,789 INFO L383 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2022-12-13 12:21:32,789 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 12:21:32,789 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 12:21:32,789 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 12:21:38,724 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][103], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 366#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 273#L1259-4true, 34#L1281-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, 371#true, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:38,724 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2022-12-13 12:21:38,724 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 12:21:38,724 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:38,724 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 12:21:38,802 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, 373#(= |#race~b~0| 0), 273#L1259-4true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 265#L1285-17true, 61#L1280-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:38,802 INFO L383 tUnfolder$Statistics]: this new event has 31 ancestors and is not cut-off event [2022-12-13 12:21:38,802 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-13 12:21:38,802 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-13 12:21:38,802 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-13 12:21:45,447 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, 373#(= |#race~b~0| 0), Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, 303#L1258-13true, setThreadThread1of2ForFork1InUse, 67#L1285-16true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:45,447 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,448 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,448 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,448 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,702 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 352#true, 373#(= |#race~b~0| 0), Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), Black: 366#true, 61#L1280-3true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, 67#L1285-16true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:45,702 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,702 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,702 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:45,702 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2022-12-13 12:21:46,423 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][103], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 366#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 273#L1259-4true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 175#setThreadEXITtrue, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, 371#true, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:46,423 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:21:46,423 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:46,423 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 12:21:46,424 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 12:21:46,684 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][147], [322#L1281true, 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 366#true, 373#(= |#race~b~0| 0), 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 303#L1258-13true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:46,684 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,684 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,684 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,684 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,687 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][147], [368#(= |#race~stderr~0| 0), 322#L1281true, 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 373#(= |#race~b~0| 0), 352#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), Black: 366#true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:46,688 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,688 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,688 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:46,688 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:21:48,564 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 298#L1259-3true, Black: 357#(= |#race~a~0| 0), 352#true, 366#true, 373#(= |#race~b~0| 0), Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, 67#L1285-16true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:48,565 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2022-12-13 12:21:48,565 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:48,565 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:48,565 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:48,675 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][147], [322#L1281true, 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, 298#L1259-3true, Black: 355#true, 373#(= |#race~b~0| 0), 352#true, 366#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:48,675 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:21:48,675 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:48,675 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:48,675 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:52,360 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 304#L1265-13true, 373#(= |#race~b~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 61#L1280-3true, setThreadThread1of2ForFork1InUse, 67#L1285-16true, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:52,360 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2022-12-13 12:21:52,360 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:52,360 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:52,360 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:52,553 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][147], [322#L1281true, 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 304#L1265-13true, 352#true, 366#true, 373#(= |#race~b~0| 0), 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:52,553 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:21:52,553 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:52,553 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:52,553 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:21:53,835 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][103], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 366#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 34#L1281-3true, 303#L1258-13true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, 371#true, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:53,836 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:21:53,836 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:21:53,836 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2022-12-13 12:21:53,836 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2022-12-13 12:21:53,944 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 373#(= |#race~b~0| 0), 352#true, 366#true, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 265#L1285-17true, 61#L1280-3true, 303#L1258-13true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:53,944 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2022-12-13 12:21:53,944 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:53,944 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:53,944 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:54,156 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1566] L1285-9-->L1285-12: Formula: (and (not |v_checkThreadThread1of2ForFork0_#t~short66_23|) (= |v_#race~a~0_24| 0)) InVars {checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|} OutVars{checkThreadThread1of2ForFork0_#t~short66=|v_checkThreadThread1of2ForFork0_#t~short66_23|, #race~a~0=|v_#race~a~0_24|} AuxVars[] AssignedVars[#race~a~0][103], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 355#true, 352#true, 43#L1285-12true, 215#checkThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 34#L1281-3true, Black: 366#true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, 371#true, checkThreadThread1of2ForFork0InUse, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:54,156 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:21:54,156 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2022-12-13 12:21:54,156 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2022-12-13 12:21:54,156 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:21:54,222 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1575] L1280-1-->L1280-3: Formula: (= |v_#race~a~0_26| |v_setThreadThread2of2ForFork1_#t~nondet62_17|) InVars {} OutVars{setThreadThread2of2ForFork1_#t~nondet62=|v_setThreadThread2of2ForFork1_#t~nondet62_17|, #race~a~0=|v_#race~a~0_26|} AuxVars[] AssignedVars[setThreadThread2of2ForFork1_#t~nondet62, #race~a~0][140], [368#(= |#race~stderr~0| 0), 114#setThreadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 357#(= |#race~a~0| 0), 352#true, 373#(= |#race~b~0| 0), Black: 363#(= |setThreadThread1of2ForFork1_#t~nondet62| |#race~a~0|), 265#L1285-17true, Black: 366#true, 61#L1280-3true, 291#L1261-3true, setThreadThread1of2ForFork1InUse, setThreadThread2of2ForFork1InUse, checkThreadThread1of2ForFork0InUse, 279#L1285-2true, checkThreadThread2of2ForFork0InUse]) [2022-12-13 12:21:54,222 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2022-12-13 12:21:54,222 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:54,222 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:21:54,222 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event