./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8 --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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- 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-e04fb08 [2022-11-16 12:17:28,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:17:28,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:17:28,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:17:28,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:17:28,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:17:28,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:17:28,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:17:28,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:17:28,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:17:28,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:17:28,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:17:28,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:17:28,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:17:28,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:17:28,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:17:28,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:17:28,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:17:28,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:17:28,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:17:28,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:17:28,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:17:28,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:17:28,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:17:28,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:17:28,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:17:28,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:17:28,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:17:28,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:17:28,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:17:28,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:17:28,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:17:28,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:17:28,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:17:28,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:17:28,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:17:28,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:17:28,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:17:28,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:17:28,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:17:28,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:17:28,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:17:28,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:17:28,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:17:28,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:17:28,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:17:28,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:17:28,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:17:28,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:17:28,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:17:28,466 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:17:28,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:17:28,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:17:28,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:17:28,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:17:28,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:17:28,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:17:28,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:17:28,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:17:28,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:17:28,469 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:17:28,469 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:17:28,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:17:28,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:17:28,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:17:28,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:17:28,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:17:28,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:17:28,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:17:28,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:17:28,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:17:28,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:17:28,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:17:28,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:17:28,473 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:17:28,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:17:28,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:17:28,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-16 12:17:28,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:17:28,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:17:28,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:17:28,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:17:28,770 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:17:28,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-16 12:17:28,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/data/25f3e7e32/62f2163fcd38410183cfed393d7baf70/FLAG8f90fd4ae [2022-11-16 12:17:29,461 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:17:29,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-16 12:17:29,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/data/25f3e7e32/62f2163fcd38410183cfed393d7baf70/FLAG8f90fd4ae [2022-11-16 12:17:29,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/data/25f3e7e32/62f2163fcd38410183cfed393d7baf70 [2022-11-16 12:17:29,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:17:29,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:17:29,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:29,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:17:29,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:17:29,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:29" (1/1) ... [2022-11-16 12:17:29,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd4d82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:29, skipping insertion in model container [2022-11-16 12:17:29,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:29" (1/1) ... [2022-11-16 12:17:29,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:17:29,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:17:30,126 WARN L229 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_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-16 12:17:30,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:30,168 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:17:30,241 WARN L229 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_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-16 12:17:30,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:30,276 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:17:30,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30 WrapperNode [2022-11-16 12:17:30,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:30,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:30,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:17:30,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:17:30,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,367 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 341 [2022-11-16 12:17:30,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:30,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:17:30,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:17:30,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:17:30,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:17:30,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:17:30,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:17:30,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:17:30,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (1/1) ... [2022-11-16 12:17:30,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:17:30,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:30,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:30,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:17:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:17:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:17:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:17:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:17:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:17:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:17:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:17:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:17:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:17:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:17:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:17:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:17:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:17:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:17:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:17:30,550 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:17:30,775 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:17:30,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:17:31,509 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:17:31,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:17:31,843 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:17:31,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:31 BoogieIcfgContainer [2022-11-16 12:17:31,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:17:31,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:17:31,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:17:31,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:17:31,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:17:29" (1/3) ... [2022-11-16 12:17:31,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa7f9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:31, skipping insertion in model container [2022-11-16 12:17:31,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:30" (2/3) ... [2022-11-16 12:17:31,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa7f9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:31, skipping insertion in model container [2022-11-16 12:17:31,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:31" (3/3) ... [2022-11-16 12:17:31,861 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2022-11-16 12:17:31,873 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:17:31,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:17:31,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2022-11-16 12:17:31,887 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:17:32,119 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:17:32,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 295 transitions, 606 flow [2022-11-16 12:17:32,337 INFO L130 PetriNetUnfolder]: 12/293 cut-off events. [2022-11-16 12:17:32,337 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:17:32,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 293 events. 12/293 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 493 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 194. Up to 3 conditions per place. [2022-11-16 12:17:32,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 290 places, 295 transitions, 606 flow [2022-11-16 12:17:32,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 272 transitions, 556 flow [2022-11-16 12:17:32,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:17:32,374 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;@5471e522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:17:32,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-11-16 12:17:32,381 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-16 12:17:32,381 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:17:32,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:32,382 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:32,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1916084921, now seen corresponding path program 1 times [2022-11-16 12:17:32,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:32,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946036021] [2022-11-16 12:17:32,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:32,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:32,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:32,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946036021] [2022-11-16 12:17:32,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946036021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:32,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:32,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809580265] [2022-11-16 12:17:32,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:32,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:32,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:32,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:32,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-16 12:17:32,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:32,640 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:32,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-16 12:17:32,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:32,892 INFO L130 PetriNetUnfolder]: 66/544 cut-off events. [2022-11-16 12:17:32,892 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-16 12:17:32,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 544 events. 66/544 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2232 event pairs, 44 based on Foata normal form. 30/462 useless extension candidates. Maximal degree in co-relation 485. Up to 127 conditions per place. [2022-11-16 12:17:32,899 INFO L137 encePairwiseOnDemand]: 259/295 looper letters, 19 selfloop transitions, 2 changer transitions 3/238 dead transitions. [2022-11-16 12:17:32,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 238 transitions, 530 flow [2022-11-16 12:17:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2022-11-16 12:17:32,916 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8689265536723164 [2022-11-16 12:17:32,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 769 transitions. [2022-11-16 12:17:32,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 769 transitions. [2022-11-16 12:17:32,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:32,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 769 transitions. [2022-11-16 12:17:32,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:32,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:32,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:32,949 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 556 flow. Second operand 3 states and 769 transitions. [2022-11-16 12:17:32,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 238 transitions, 530 flow [2022-11-16 12:17:32,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 238 transitions, 522 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:17:32,963 INFO L231 Difference]: Finished difference. Result has 240 places, 235 transitions, 478 flow [2022-11-16 12:17:32,965 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=240, PETRI_TRANSITIONS=235} [2022-11-16 12:17:32,972 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -29 predicate places. [2022-11-16 12:17:32,973 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 235 transitions, 478 flow [2022-11-16 12:17:32,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:32,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:32,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:32,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:17:32,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:32,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1030958862, now seen corresponding path program 1 times [2022-11-16 12:17:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:32,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806956812] [2022-11-16 12:17:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806956812] [2022-11-16 12:17:33,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806956812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982236986] [2022-11-16 12:17:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:33,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:33,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:33,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:33,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:33,110 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-16 12:17:33,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:33,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-16 12:17:33,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:33,248 INFO L130 PetriNetUnfolder]: 16/328 cut-off events. [2022-11-16 12:17:33,248 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:17:33,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 328 events. 16/328 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 807 event pairs, 11 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 349. Up to 43 conditions per place. [2022-11-16 12:17:33,254 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 18 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2022-11-16 12:17:33,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 234 transitions, 516 flow [2022-11-16 12:17:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2022-11-16 12:17:33,257 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8305084745762712 [2022-11-16 12:17:33,257 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2022-11-16 12:17:33,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2022-11-16 12:17:33,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:33,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2022-11-16 12:17:33,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,263 INFO L175 Difference]: Start difference. First operand has 240 places, 235 transitions, 478 flow. Second operand 3 states and 735 transitions. [2022-11-16 12:17:33,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 234 transitions, 516 flow [2022-11-16 12:17:33,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 234 transitions, 512 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:33,269 INFO L231 Difference]: Finished difference. Result has 236 places, 234 transitions, 476 flow [2022-11-16 12:17:33,270 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=236, PETRI_TRANSITIONS=234} [2022-11-16 12:17:33,270 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -33 predicate places. [2022-11-16 12:17:33,271 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 234 transitions, 476 flow [2022-11-16 12:17:33,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:33,272 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:17:33,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,273 INFO L85 PathProgramCache]: Analyzing trace with hash 583578443, now seen corresponding path program 1 times [2022-11-16 12:17:33,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245627985] [2022-11-16 12:17:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245627985] [2022-11-16 12:17:33,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245627985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:33,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122877283] [2022-11-16 12:17:33,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:33,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:33,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:33,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:33,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:33,332 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-16 12:17:33,333 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,333 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:33,334 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-16 12:17:33,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:33,451 INFO L130 PetriNetUnfolder]: 12/323 cut-off events. [2022-11-16 12:17:33,451 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:17:33,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 323 events. 12/323 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 741 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 319. Up to 28 conditions per place. [2022-11-16 12:17:33,453 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2022-11-16 12:17:33,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 233 transitions, 504 flow [2022-11-16 12:17:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-16 12:17:33,457 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-16 12:17:33,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:33,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,464 INFO L175 Difference]: Start difference. First operand has 236 places, 234 transitions, 476 flow. Second operand 3 states and 748 transitions. [2022-11-16 12:17:33,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 233 transitions, 504 flow [2022-11-16 12:17:33,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 233 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:33,470 INFO L231 Difference]: Finished difference. Result has 235 places, 233 transitions, 474 flow [2022-11-16 12:17:33,470 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=235, PETRI_TRANSITIONS=233} [2022-11-16 12:17:33,471 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-16 12:17:33,471 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 233 transitions, 474 flow [2022-11-16 12:17:33,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,472 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:33,472 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:17:33,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:33,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1344527030, now seen corresponding path program 1 times [2022-11-16 12:17:33,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090124610] [2022-11-16 12:17:33,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090124610] [2022-11-16 12:17:33,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090124610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:33,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966392143] [2022-11-16 12:17:33,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:33,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:33,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:33,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:33,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:33,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-16 12:17:33,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,534 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:33,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-16 12:17:33,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:33,649 INFO L130 PetriNetUnfolder]: 12/322 cut-off events. [2022-11-16 12:17:33,650 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:17:33,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 322 events. 12/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 750 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 311. Up to 28 conditions per place. [2022-11-16 12:17:33,653 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2022-11-16 12:17:33,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 232 transitions, 502 flow [2022-11-16 12:17:33,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-16 12:17:33,656 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-16 12:17:33,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:33,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-16 12:17:33,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,667 INFO L175 Difference]: Start difference. First operand has 235 places, 233 transitions, 474 flow. Second operand 3 states and 748 transitions. [2022-11-16 12:17:33,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 232 transitions, 502 flow [2022-11-16 12:17:33,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 232 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:33,673 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 472 flow [2022-11-16 12:17:33,680 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-16 12:17:33,682 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-16 12:17:33,683 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 472 flow [2022-11-16 12:17:33,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,683 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:33,684 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:17:33,684 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:33,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1898985808, now seen corresponding path program 1 times [2022-11-16 12:17:33,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537289766] [2022-11-16 12:17:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537289766] [2022-11-16 12:17:33,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537289766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:33,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409326748] [2022-11-16 12:17:33,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:33,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:33,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:33,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:33,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:33,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-16 12:17:33,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:33,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-16 12:17:33,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:33,849 INFO L130 PetriNetUnfolder]: 15/344 cut-off events. [2022-11-16 12:17:33,850 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 12:17:33,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 344 events. 15/344 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 871 event pairs, 2 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 325. Up to 17 conditions per place. [2022-11-16 12:17:33,852 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2022-11-16 12:17:33,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 235 transitions, 509 flow [2022-11-16 12:17:33,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2022-11-16 12:17:33,855 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8553672316384181 [2022-11-16 12:17:33,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2022-11-16 12:17:33,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2022-11-16 12:17:33,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:33,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2022-11-16 12:17:33,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,860 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,860 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 472 flow. Second operand 3 states and 757 transitions. [2022-11-16 12:17:33,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 235 transitions, 509 flow [2022-11-16 12:17:33,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 235 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:33,879 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 476 flow [2022-11-16 12:17:33,880 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-16 12:17:33,882 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-16 12:17:33,883 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 476 flow [2022-11-16 12:17:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,884 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:33,885 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:17:33,885 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:33,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2106818312, now seen corresponding path program 1 times [2022-11-16 12:17:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269294492] [2022-11-16 12:17:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269294492] [2022-11-16 12:17:33,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269294492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888706730] [2022-11-16 12:17:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:33,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:33,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:33,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:33,958 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-16 12:17:33,959 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:33,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-16 12:17:33,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:34,041 INFO L130 PetriNetUnfolder]: 15/325 cut-off events. [2022-11-16 12:17:34,042 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-16 12:17:34,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 325 events. 15/325 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 762 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 197. Up to 29 conditions per place. [2022-11-16 12:17:34,045 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2022-11-16 12:17:34,045 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 231 transitions, 500 flow [2022-11-16 12:17:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-16 12:17:34,047 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-16 12:17:34,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:34,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,053 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 476 flow. Second operand 3 states and 754 transitions. [2022-11-16 12:17:34,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 231 transitions, 500 flow [2022-11-16 12:17:34,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 231 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:17:34,058 INFO L231 Difference]: Finished difference. Result has 234 places, 231 transitions, 476 flow [2022-11-16 12:17:34,058 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=231} [2022-11-16 12:17:34,059 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-16 12:17:34,059 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 231 transitions, 476 flow [2022-11-16 12:17:34,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,060 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:34,060 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:17:34,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1866361108, now seen corresponding path program 1 times [2022-11-16 12:17:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49290409] [2022-11-16 12:17:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:34,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:34,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49290409] [2022-11-16 12:17:34,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49290409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:34,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:34,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:34,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665789546] [2022-11-16 12:17:34,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:34,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:34,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:34,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:34,157 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-16 12:17:34,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 231 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:34,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-16 12:17:34,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:34,231 INFO L130 PetriNetUnfolder]: 15/324 cut-off events. [2022-11-16 12:17:34,231 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-16 12:17:34,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 324 events. 15/324 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 757 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 27 conditions per place. [2022-11-16 12:17:34,234 INFO L137 encePairwiseOnDemand]: 293/295 looper letters, 11 selfloop transitions, 1 changer transitions 0/230 dead transitions. [2022-11-16 12:17:34,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 230 transitions, 498 flow [2022-11-16 12:17:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2022-11-16 12:17:34,236 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8508474576271187 [2022-11-16 12:17:34,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2022-11-16 12:17:34,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2022-11-16 12:17:34,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:34,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2022-11-16 12:17:34,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,241 INFO L175 Difference]: Start difference. First operand has 234 places, 231 transitions, 476 flow. Second operand 3 states and 753 transitions. [2022-11-16 12:17:34,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 230 transitions, 498 flow [2022-11-16 12:17:34,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 230 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:34,246 INFO L231 Difference]: Finished difference. Result has 233 places, 230 transitions, 472 flow [2022-11-16 12:17:34,246 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=233, PETRI_TRANSITIONS=230} [2022-11-16 12:17:34,247 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-16 12:17:34,247 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 230 transitions, 472 flow [2022-11-16 12:17:34,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,248 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:34,248 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:17:34,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:34,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,249 INFO L85 PathProgramCache]: Analyzing trace with hash -752812112, now seen corresponding path program 1 times [2022-11-16 12:17:34,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334042501] [2022-11-16 12:17:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:34,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:34,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334042501] [2022-11-16 12:17:34,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334042501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:34,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:34,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:34,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365474554] [2022-11-16 12:17:34,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:34,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:34,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:34,306 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-16 12:17:34,307 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 230 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:34,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-16 12:17:34,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:34,405 INFO L130 PetriNetUnfolder]: 15/323 cut-off events. [2022-11-16 12:17:34,405 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-16 12:17:34,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 323 events. 15/323 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 29 conditions per place. [2022-11-16 12:17:34,408 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2022-11-16 12:17:34,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 229 transitions, 496 flow [2022-11-16 12:17:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-16 12:17:34,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-16 12:17:34,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:34,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-16 12:17:34,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,416 INFO L175 Difference]: Start difference. First operand has 233 places, 230 transitions, 472 flow. Second operand 3 states and 754 transitions. [2022-11-16 12:17:34,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 229 transitions, 496 flow [2022-11-16 12:17:34,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 229 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:17:34,422 INFO L231 Difference]: Finished difference. Result has 233 places, 229 transitions, 473 flow [2022-11-16 12:17:34,422 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=233, PETRI_TRANSITIONS=229} [2022-11-16 12:17:34,423 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-16 12:17:34,423 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 229 transitions, 473 flow [2022-11-16 12:17:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,424 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:34,424 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:17:34,424 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1850761206, now seen corresponding path program 1 times [2022-11-16 12:17:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959538589] [2022-11-16 12:17:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:35,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:35,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959538589] [2022-11-16 12:17:35,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959538589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:35,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:35,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:17:35,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743129509] [2022-11-16 12:17:35,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:35,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:17:35,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:35,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:35,129 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 295 [2022-11-16 12:17:35,130 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 229 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:35,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 295 [2022-11-16 12:17:35,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:35,388 INFO L130 PetriNetUnfolder]: 111/482 cut-off events. [2022-11-16 12:17:35,389 INFO L131 PetriNetUnfolder]: For 58/69 co-relation queries the response was YES. [2022-11-16 12:17:35,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 482 events. 111/482 cut-off events. For 58/69 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1787 event pairs, 53 based on Foata normal form. 0/380 useless extension candidates. Maximal degree in co-relation 671. Up to 181 conditions per place. [2022-11-16 12:17:35,394 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 31 selfloop transitions, 5 changer transitions 0/228 dead transitions. [2022-11-16 12:17:35,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 228 transitions, 543 flow [2022-11-16 12:17:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:17:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:17:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2022-11-16 12:17:35,399 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7796610169491526 [2022-11-16 12:17:35,399 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2022-11-16 12:17:35,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2022-11-16 12:17:35,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:35,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2022-11-16 12:17:35,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,410 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,410 INFO L175 Difference]: Start difference. First operand has 233 places, 229 transitions, 473 flow. Second operand 6 states and 1380 transitions. [2022-11-16 12:17:35,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 228 transitions, 543 flow [2022-11-16 12:17:35,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 228 transitions, 539 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:35,416 INFO L231 Difference]: Finished difference. Result has 235 places, 228 transitions, 477 flow [2022-11-16 12:17:35,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=228} [2022-11-16 12:17:35,418 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-16 12:17:35,418 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 228 transitions, 477 flow [2022-11-16 12:17:35,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,419 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:35,419 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:35,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:17:35,419 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:35,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1473037249, now seen corresponding path program 1 times [2022-11-16 12:17:35,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:35,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421605098] [2022-11-16 12:17:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:35,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:35,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421605098] [2022-11-16 12:17:35,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421605098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:35,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:35,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:35,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784168483] [2022-11-16 12:17:35,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:35,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:35,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:35,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:35,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:35,477 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-16 12:17:35,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 228 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:35,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-16 12:17:35,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:35,574 INFO L130 PetriNetUnfolder]: 19/321 cut-off events. [2022-11-16 12:17:35,574 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 12:17:35,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 321 events. 19/321 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 771 event pairs, 9 based on Foata normal form. 1/275 useless extension candidates. Maximal degree in co-relation 371. Up to 38 conditions per place. [2022-11-16 12:17:35,578 INFO L137 encePairwiseOnDemand]: 291/295 looper letters, 13 selfloop transitions, 1 changer transitions 2/225 dead transitions. [2022-11-16 12:17:35,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 225 transitions, 501 flow [2022-11-16 12:17:35,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-16 12:17:35,581 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-16 12:17:35,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-16 12:17:35,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-16 12:17:35,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:35,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-16 12:17:35,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,587 INFO L175 Difference]: Start difference. First operand has 235 places, 228 transitions, 477 flow. Second operand 3 states and 740 transitions. [2022-11-16 12:17:35,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 225 transitions, 501 flow [2022-11-16 12:17:35,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 225 transitions, 491 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:17:35,594 INFO L231 Difference]: Finished difference. Result has 229 places, 223 transitions, 459 flow [2022-11-16 12:17:35,595 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=229, PETRI_TRANSITIONS=223} [2022-11-16 12:17:35,595 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -40 predicate places. [2022-11-16 12:17:35,596 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 223 transitions, 459 flow [2022-11-16 12:17:35,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,596 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:35,597 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:35,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:17:35,597 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:35,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash -794094836, now seen corresponding path program 1 times [2022-11-16 12:17:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:35,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453116196] [2022-11-16 12:17:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:35,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:35,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453116196] [2022-11-16 12:17:35,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453116196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:35,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:35,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:35,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91353295] [2022-11-16 12:17:35,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:35,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:35,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:35,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:35,666 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-16 12:17:35,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 223 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:35,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-16 12:17:35,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:35,773 INFO L130 PetriNetUnfolder]: 45/338 cut-off events. [2022-11-16 12:17:35,773 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-16 12:17:35,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 338 events. 45/338 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 971 event pairs, 17 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 410. Up to 62 conditions per place. [2022-11-16 12:17:35,776 INFO L137 encePairwiseOnDemand]: 287/295 looper letters, 18 selfloop transitions, 5 changer transitions 0/223 dead transitions. [2022-11-16 12:17:35,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 510 flow [2022-11-16 12:17:35,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2022-11-16 12:17:35,779 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8338983050847457 [2022-11-16 12:17:35,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2022-11-16 12:17:35,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2022-11-16 12:17:35,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:35,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2022-11-16 12:17:35,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,784 INFO L175 Difference]: Start difference. First operand has 229 places, 223 transitions, 459 flow. Second operand 3 states and 738 transitions. [2022-11-16 12:17:35,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 510 flow [2022-11-16 12:17:35,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:17:35,788 INFO L231 Difference]: Finished difference. Result has 225 places, 220 transitions, 462 flow [2022-11-16 12:17:35,789 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=225, PETRI_TRANSITIONS=220} [2022-11-16 12:17:35,789 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -44 predicate places. [2022-11-16 12:17:35,789 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 220 transitions, 462 flow [2022-11-16 12:17:35,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,790 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:35,790 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:35,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:17:35,791 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:35,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1379076335, now seen corresponding path program 1 times [2022-11-16 12:17:35,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:35,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698055282] [2022-11-16 12:17:35,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:35,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:35,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:35,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698055282] [2022-11-16 12:17:35,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698055282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:35,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:35,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827769080] [2022-11-16 12:17:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:35,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:35,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:35,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:35,855 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-16 12:17:35,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 220 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:35,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-16 12:17:35,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:35,976 INFO L130 PetriNetUnfolder]: 54/496 cut-off events. [2022-11-16 12:17:35,976 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-16 12:17:35,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 496 events. 54/496 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1940 event pairs, 10 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 588. Up to 87 conditions per place. [2022-11-16 12:17:35,981 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 20 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2022-11-16 12:17:35,981 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 224 transitions, 519 flow [2022-11-16 12:17:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-16 12:17:35,983 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-16 12:17:35,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-16 12:17:35,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-16 12:17:35,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:35,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-16 12:17:35,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,989 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,989 INFO L175 Difference]: Start difference. First operand has 225 places, 220 transitions, 462 flow. Second operand 3 states and 748 transitions. [2022-11-16 12:17:35,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 224 transitions, 519 flow [2022-11-16 12:17:35,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 224 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:35,994 INFO L231 Difference]: Finished difference. Result has 223 places, 220 transitions, 467 flow [2022-11-16 12:17:35,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=220} [2022-11-16 12:17:35,995 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-16 12:17:35,995 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 220 transitions, 467 flow [2022-11-16 12:17:35,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:35,996 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:35,996 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:35,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:17:35,996 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:35,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1331979226, now seen corresponding path program 1 times [2022-11-16 12:17:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255878998] [2022-11-16 12:17:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:36,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:36,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255878998] [2022-11-16 12:17:36,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255878998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:36,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:36,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:36,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252988393] [2022-11-16 12:17:36,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:36,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:36,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:36,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:36,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:36,043 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-16 12:17:36,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 220 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:36,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-16 12:17:36,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:36,203 INFO L130 PetriNetUnfolder]: 111/608 cut-off events. [2022-11-16 12:17:36,203 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-16 12:17:36,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 608 events. 111/608 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2807 event pairs, 49 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 801. Up to 177 conditions per place. [2022-11-16 12:17:36,209 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2022-11-16 12:17:36,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 222 transitions, 518 flow [2022-11-16 12:17:36,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-16 12:17:36,212 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-16 12:17:36,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-16 12:17:36,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-16 12:17:36,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:36,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-16 12:17:36,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,217 INFO L175 Difference]: Start difference. First operand has 223 places, 220 transitions, 467 flow. Second operand 3 states and 740 transitions. [2022-11-16 12:17:36,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 222 transitions, 518 flow [2022-11-16 12:17:36,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:17:36,222 INFO L231 Difference]: Finished difference. Result has 224 places, 219 transitions, 469 flow [2022-11-16 12:17:36,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=224, PETRI_TRANSITIONS=219} [2022-11-16 12:17:36,224 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-16 12:17:36,224 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 219 transitions, 469 flow [2022-11-16 12:17:36,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:36,225 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:36,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:17:36,225 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:36,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:36,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2137279340, now seen corresponding path program 1 times [2022-11-16 12:17:36,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:36,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787952054] [2022-11-16 12:17:36,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:36,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:36,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787952054] [2022-11-16 12:17:36,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787952054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:36,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:36,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:36,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84232686] [2022-11-16 12:17:36,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:36,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:36,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:36,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:36,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:36,294 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-16 12:17:36,295 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 219 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,295 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:36,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-16 12:17:36,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:36,448 INFO L130 PetriNetUnfolder]: 75/419 cut-off events. [2022-11-16 12:17:36,448 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-16 12:17:36,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 419 events. 75/419 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1489 event pairs, 35 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 585. Up to 118 conditions per place. [2022-11-16 12:17:36,453 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 22 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2022-11-16 12:17:36,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 526 flow [2022-11-16 12:17:36,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2022-11-16 12:17:36,457 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8259887005649718 [2022-11-16 12:17:36,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2022-11-16 12:17:36,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2022-11-16 12:17:36,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:36,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2022-11-16 12:17:36,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,464 INFO L175 Difference]: Start difference. First operand has 224 places, 219 transitions, 469 flow. Second operand 3 states and 731 transitions. [2022-11-16 12:17:36,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 526 flow [2022-11-16 12:17:36,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 221 transitions, 522 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:36,470 INFO L231 Difference]: Finished difference. Result has 223 places, 218 transitions, 467 flow [2022-11-16 12:17:36,471 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=218} [2022-11-16 12:17:36,471 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-16 12:17:36,472 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 218 transitions, 467 flow [2022-11-16 12:17:36,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:36,473 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:36,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:17:36,473 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:36,474 INFO L85 PathProgramCache]: Analyzing trace with hash -567045741, now seen corresponding path program 1 times [2022-11-16 12:17:36,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:36,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449999211] [2022-11-16 12:17:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:36,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:36,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:36,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449999211] [2022-11-16 12:17:36,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449999211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:36,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:36,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:36,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129660115] [2022-11-16 12:17:36,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:36,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:36,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:36,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:36,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:36,541 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-16 12:17:36,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 218 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,543 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:36,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-16 12:17:36,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:36,690 INFO L130 PetriNetUnfolder]: 72/413 cut-off events. [2022-11-16 12:17:36,690 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-11-16 12:17:36,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 413 events. 72/413 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1421 event pairs, 33 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 574. Up to 112 conditions per place. [2022-11-16 12:17:36,694 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2022-11-16 12:17:36,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 522 flow [2022-11-16 12:17:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2022-11-16 12:17:36,698 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2022-11-16 12:17:36,698 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2022-11-16 12:17:36,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2022-11-16 12:17:36,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:36,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2022-11-16 12:17:36,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,704 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,704 INFO L175 Difference]: Start difference. First operand has 223 places, 218 transitions, 467 flow. Second operand 3 states and 730 transitions. [2022-11-16 12:17:36,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 522 flow [2022-11-16 12:17:36,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 220 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:36,710 INFO L231 Difference]: Finished difference. Result has 222 places, 217 transitions, 465 flow [2022-11-16 12:17:36,710 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=222, PETRI_TRANSITIONS=217} [2022-11-16 12:17:36,711 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -47 predicate places. [2022-11-16 12:17:36,711 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 217 transitions, 465 flow [2022-11-16 12:17:36,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:36,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:36,713 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:36,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:17:36,713 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:36,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:36,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1697112091, now seen corresponding path program 1 times [2022-11-16 12:17:36,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:36,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398114977] [2022-11-16 12:17:36,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:37,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:37,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398114977] [2022-11-16 12:17:37,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398114977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:37,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:37,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:17:37,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216064523] [2022-11-16 12:17:37,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:37,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:17:37,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:37,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:37,149 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-16 12:17:37,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 217 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:37,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-16 12:17:37,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:37,585 INFO L130 PetriNetUnfolder]: 193/1008 cut-off events. [2022-11-16 12:17:37,585 INFO L131 PetriNetUnfolder]: For 92/109 co-relation queries the response was YES. [2022-11-16 12:17:37,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 1008 events. 193/1008 cut-off events. For 92/109 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5947 event pairs, 22 based on Foata normal form. 6/872 useless extension candidates. Maximal degree in co-relation 1400. Up to 100 conditions per place. [2022-11-16 12:17:37,594 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 40 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-16 12:17:37,594 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 232 transitions, 599 flow [2022-11-16 12:17:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:17:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:17:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1414 transitions. [2022-11-16 12:17:37,598 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7988700564971751 [2022-11-16 12:17:37,598 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1414 transitions. [2022-11-16 12:17:37,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1414 transitions. [2022-11-16 12:17:37,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:37,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1414 transitions. [2022-11-16 12:17:37,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.66666666666666) internal successors, (1414), 6 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,606 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,606 INFO L175 Difference]: Start difference. First operand has 222 places, 217 transitions, 465 flow. Second operand 6 states and 1414 transitions. [2022-11-16 12:17:37,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 232 transitions, 599 flow [2022-11-16 12:17:37,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 232 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:37,612 INFO L231 Difference]: Finished difference. Result has 224 places, 216 transitions, 467 flow [2022-11-16 12:17:37,612 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=467, PETRI_PLACES=224, PETRI_TRANSITIONS=216} [2022-11-16 12:17:37,613 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-16 12:17:37,613 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 216 transitions, 467 flow [2022-11-16 12:17:37,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:37,614 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:37,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:17:37,614 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:37,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:37,615 INFO L85 PathProgramCache]: Analyzing trace with hash 753082185, now seen corresponding path program 1 times [2022-11-16 12:17:37,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:37,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524741486] [2022-11-16 12:17:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:37,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:37,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524741486] [2022-11-16 12:17:37,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524741486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:37,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:37,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:37,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11482096] [2022-11-16 12:17:37,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:37,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:37,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:37,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:37,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:37,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-16 12:17:37,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 216 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:37,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-16 12:17:37,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:37,828 INFO L130 PetriNetUnfolder]: 91/566 cut-off events. [2022-11-16 12:17:37,828 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-16 12:17:37,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 566 events. 91/566 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2384 event pairs, 34 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 721. Up to 118 conditions per place. [2022-11-16 12:17:37,832 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 16 selfloop transitions, 2 changer transitions 4/217 dead transitions. [2022-11-16 12:17:37,833 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 217 transitions, 508 flow [2022-11-16 12:17:37,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 743 transitions. [2022-11-16 12:17:37,835 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8395480225988701 [2022-11-16 12:17:37,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 743 transitions. [2022-11-16 12:17:37,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 743 transitions. [2022-11-16 12:17:37,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:37,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 743 transitions. [2022-11-16 12:17:37,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,840 INFO L175 Difference]: Start difference. First operand has 224 places, 216 transitions, 467 flow. Second operand 3 states and 743 transitions. [2022-11-16 12:17:37,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 217 transitions, 508 flow [2022-11-16 12:17:37,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 501 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:17:37,845 INFO L231 Difference]: Finished difference. Result has 220 places, 210 transitions, 452 flow [2022-11-16 12:17:37,845 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=220, PETRI_TRANSITIONS=210} [2022-11-16 12:17:37,846 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -49 predicate places. [2022-11-16 12:17:37,846 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 210 transitions, 452 flow [2022-11-16 12:17:37,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,847 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:37,847 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:37,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:17:37,847 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:37,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:37,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1101509620, now seen corresponding path program 1 times [2022-11-16 12:17:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:37,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808842077] [2022-11-16 12:17:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:37,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:37,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:37,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808842077] [2022-11-16 12:17:37,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808842077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:37,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:37,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:37,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839148665] [2022-11-16 12:17:37,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:37,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:37,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:37,906 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-16 12:17:37,907 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 210 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:37,907 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:37,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-16 12:17:37,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:38,044 INFO L130 PetriNetUnfolder]: 101/563 cut-off events. [2022-11-16 12:17:38,044 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-16 12:17:38,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 563 events. 101/563 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2445 event pairs, 39 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 751. Up to 137 conditions per place. [2022-11-16 12:17:38,048 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 17 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2022-11-16 12:17:38,049 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 212 transitions, 495 flow [2022-11-16 12:17:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2022-11-16 12:17:38,051 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.831638418079096 [2022-11-16 12:17:38,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2022-11-16 12:17:38,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2022-11-16 12:17:38,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:38,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2022-11-16 12:17:38,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,056 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,056 INFO L175 Difference]: Start difference. First operand has 220 places, 210 transitions, 452 flow. Second operand 3 states and 736 transitions. [2022-11-16 12:17:38,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 212 transitions, 495 flow [2022-11-16 12:17:38,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 212 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:38,061 INFO L231 Difference]: Finished difference. Result has 215 places, 209 transitions, 450 flow [2022-11-16 12:17:38,061 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=215, PETRI_TRANSITIONS=209} [2022-11-16 12:17:38,062 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -54 predicate places. [2022-11-16 12:17:38,062 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 209 transitions, 450 flow [2022-11-16 12:17:38,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,063 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:38,063 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:38,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:17:38,063 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1521809968, now seen corresponding path program 1 times [2022-11-16 12:17:38,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:38,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418447081] [2022-11-16 12:17:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:38,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:38,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418447081] [2022-11-16 12:17:38,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418447081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:38,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:38,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:38,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411731241] [2022-11-16 12:17:38,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:38,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:38,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:38,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:38,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:38,121 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-16 12:17:38,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 209 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:38,122 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-16 12:17:38,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:38,225 INFO L130 PetriNetUnfolder]: 59/440 cut-off events. [2022-11-16 12:17:38,225 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-16 12:17:38,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 440 events. 59/440 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1596 event pairs, 18 based on Foata normal form. 1/413 useless extension candidates. Maximal degree in co-relation 537. Up to 69 conditions per place. [2022-11-16 12:17:38,228 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 13 selfloop transitions, 2 changer transitions 5/210 dead transitions. [2022-11-16 12:17:38,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 210 transitions, 487 flow [2022-11-16 12:17:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2022-11-16 12:17:38,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.847457627118644 [2022-11-16 12:17:38,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2022-11-16 12:17:38,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2022-11-16 12:17:38,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:38,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2022-11-16 12:17:38,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,236 INFO L175 Difference]: Start difference. First operand has 215 places, 209 transitions, 450 flow. Second operand 3 states and 750 transitions. [2022-11-16 12:17:38,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 210 transitions, 487 flow [2022-11-16 12:17:38,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 210 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:38,241 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 435 flow [2022-11-16 12:17:38,242 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-16 12:17:38,242 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-16 12:17:38,242 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 435 flow [2022-11-16 12:17:38,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,243 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:38,243 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:38,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:17:38,244 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:38,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1490033451, now seen corresponding path program 1 times [2022-11-16 12:17:38,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:38,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552551326] [2022-11-16 12:17:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:38,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:38,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552551326] [2022-11-16 12:17:38,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552551326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:38,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:38,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:17:38,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500706309] [2022-11-16 12:17:38,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:38,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:17:38,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:38,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:17:38,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:17:38,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 295 [2022-11-16 12:17:38,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:38,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 295 [2022-11-16 12:17:38,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:38,417 INFO L130 PetriNetUnfolder]: 64/469 cut-off events. [2022-11-16 12:17:38,417 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-11-16 12:17:38,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 469 events. 64/469 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1770 event pairs, 25 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 588. Up to 85 conditions per place. [2022-11-16 12:17:38,421 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 14 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2022-11-16 12:17:38,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 204 transitions, 472 flow [2022-11-16 12:17:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:17:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:17:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2022-11-16 12:17:38,423 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8384180790960452 [2022-11-16 12:17:38,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2022-11-16 12:17:38,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2022-11-16 12:17:38,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:38,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2022-11-16 12:17:38,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,428 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,428 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 435 flow. Second operand 3 states and 742 transitions. [2022-11-16 12:17:38,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 204 transitions, 472 flow [2022-11-16 12:17:38,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:38,432 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 433 flow [2022-11-16 12:17:38,433 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=433, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2022-11-16 12:17:38,433 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -62 predicate places. [2022-11-16 12:17:38,433 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 433 flow [2022-11-16 12:17:38,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,434 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:38,434 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:38,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:17:38,435 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:38,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:38,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1717730135, now seen corresponding path program 1 times [2022-11-16 12:17:38,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:38,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803020087] [2022-11-16 12:17:38,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:38,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:38,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:38,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803020087] [2022-11-16 12:17:38,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803020087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:38,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:38,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:17:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086061581] [2022-11-16 12:17:38,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:38,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:17:38,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:38,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:38,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:38,694 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 295 [2022-11-16 12:17:38,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:38,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 295 [2022-11-16 12:17:38,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:38,875 INFO L130 PetriNetUnfolder]: 30/411 cut-off events. [2022-11-16 12:17:38,875 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-16 12:17:38,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 411 events. 30/411 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1147 event pairs, 9 based on Foata normal form. 5/392 useless extension candidates. Maximal degree in co-relation 477. Up to 51 conditions per place. [2022-11-16 12:17:38,878 INFO L137 encePairwiseOnDemand]: 285/295 looper letters, 29 selfloop transitions, 6 changer transitions 3/213 dead transitions. [2022-11-16 12:17:38,878 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 213 transitions, 535 flow [2022-11-16 12:17:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:17:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-16 12:17:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1671 transitions. [2022-11-16 12:17:38,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8092009685230024 [2022-11-16 12:17:38,883 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1671 transitions. [2022-11-16 12:17:38,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1671 transitions. [2022-11-16 12:17:38,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:38,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1671 transitions. [2022-11-16 12:17:38,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 238.71428571428572) internal successors, (1671), 7 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,892 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,892 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 433 flow. Second operand 7 states and 1671 transitions. [2022-11-16 12:17:38,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 213 transitions, 535 flow [2022-11-16 12:17:38,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 531 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:17:38,897 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 455 flow [2022-11-16 12:17:38,898 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=455, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-16 12:17:38,898 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-16 12:17:38,899 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 455 flow [2022-11-16 12:17:38,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:38,899 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:17:38,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:38,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:17:38,900 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-16 12:17:38,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash -984459718, now seen corresponding path program 1 times [2022-11-16 12:17:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:38,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059305124] [2022-11-16 12:17:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:17:39,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:39,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059305124] [2022-11-16 12:17:39,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059305124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:39,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:39,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:17:39,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118544737] [2022-11-16 12:17:39,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:39,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:17:39,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:39,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:39,536 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-16 12:17:39,538 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:39,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:17:39,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-16 12:17:39,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:17:39,875 INFO L130 PetriNetUnfolder]: 153/606 cut-off events. [2022-11-16 12:17:39,875 INFO L131 PetriNetUnfolder]: For 227/245 co-relation queries the response was YES. [2022-11-16 12:17:39,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 606 events. 153/606 cut-off events. For 227/245 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2855 event pairs, 94 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 1042. Up to 238 conditions per place. [2022-11-16 12:17:39,879 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2022-11-16 12:17:39,880 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 209 transitions, 561 flow [2022-11-16 12:17:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:17:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:17:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1404 transitions. [2022-11-16 12:17:39,884 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7932203389830509 [2022-11-16 12:17:39,885 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1404 transitions. [2022-11-16 12:17:39,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1404 transitions. [2022-11-16 12:17:39,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:39,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1404 transitions. [2022-11-16 12:17:39,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.0) internal successors, (1404), 6 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:39,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:39,894 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:39,895 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 455 flow. Second operand 6 states and 1404 transitions. [2022-11-16 12:17:39,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 209 transitions, 561 flow [2022-11-16 12:17:39,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 209 transitions, 551 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:17:39,899 INFO L231 Difference]: Finished difference. Result has 212 places, 0 transitions, 0 flow [2022-11-16 12:17:39,899 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=212, PETRI_TRANSITIONS=0} [2022-11-16 12:17:39,900 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -57 predicate places. [2022-11-16 12:17:39,900 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 0 transitions, 0 flow [2022-11-16 12:17:39,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:39,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2022-11-16 12:17:39,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2022-11-16 12:17:39,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2022-11-16 12:17:39,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2022-11-16 12:17:39,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2022-11-16 12:17:39,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2022-11-16 12:17:39,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2022-11-16 12:17:39,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2022-11-16 12:17:39,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2022-11-16 12:17:39,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2022-11-16 12:17:39,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2022-11-16 12:17:39,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2022-11-16 12:17:39,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2022-11-16 12:17:39,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2022-11-16 12:17:39,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2022-11-16 12:17:39,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2022-11-16 12:17:39,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2022-11-16 12:17:39,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2022-11-16 12:17:39,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2022-11-16 12:17:39,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2022-11-16 12:17:39,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2022-11-16 12:17:39,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2022-11-16 12:17:39,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2022-11-16 12:17:39,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2022-11-16 12:17:39,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2022-11-16 12:17:39,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2022-11-16 12:17:39,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2022-11-16 12:17:39,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2022-11-16 12:17:39,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2022-11-16 12:17:39,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2022-11-16 12:17:39,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2022-11-16 12:17:39,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2022-11-16 12:17:39,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2022-11-16 12:17:39,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2022-11-16 12:17:39,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2022-11-16 12:17:39,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2022-11-16 12:17:39,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2022-11-16 12:17:39,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2022-11-16 12:17:39,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2022-11-16 12:17:39,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2022-11-16 12:17:39,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2022-11-16 12:17:39,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2022-11-16 12:17:39,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2022-11-16 12:17:39,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2022-11-16 12:17:39,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2022-11-16 12:17:39,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2022-11-16 12:17:39,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2022-11-16 12:17:39,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2022-11-16 12:17:39,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2022-11-16 12:17:39,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2022-11-16 12:17:39,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2022-11-16 12:17:39,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2022-11-16 12:17:39,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2022-11-16 12:17:39,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2022-11-16 12:17:39,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2022-11-16 12:17:39,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 96 remaining) [2022-11-16 12:17:39,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2022-11-16 12:17:39,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 96 remaining) [2022-11-16 12:17:39,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2022-11-16 12:17:39,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2022-11-16 12:17:39,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2022-11-16 12:17:39,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2022-11-16 12:17:39,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2022-11-16 12:17:39,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2022-11-16 12:17:39,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2022-11-16 12:17:39,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2022-11-16 12:17:39,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2022-11-16 12:17:39,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2022-11-16 12:17:39,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2022-11-16 12:17:39,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2022-11-16 12:17:39,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2022-11-16 12:17:39,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2022-11-16 12:17:39,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2022-11-16 12:17:39,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2022-11-16 12:17:39,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2022-11-16 12:17:39,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2022-11-16 12:17:39,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2022-11-16 12:17:39,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2022-11-16 12:17:39,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2022-11-16 12:17:39,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2022-11-16 12:17:39,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2022-11-16 12:17:39,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2022-11-16 12:17:39,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2022-11-16 12:17:39,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2022-11-16 12:17:39,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2022-11-16 12:17:39,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2022-11-16 12:17:39,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2022-11-16 12:17:39,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2022-11-16 12:17:39,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2022-11-16 12:17:39,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2022-11-16 12:17:39,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2022-11-16 12:17:39,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2022-11-16 12:17:39,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2022-11-16 12:17:39,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2022-11-16 12:17:39,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2022-11-16 12:17:39,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2022-11-16 12:17:39,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 12:17:39,927 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:39,935 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:17:39,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:17:39,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:17:39 BasicIcfg [2022-11-16 12:17:39,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:17:39,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:17:39,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:17:39,942 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:17:39,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:31" (3/4) ... [2022-11-16 12:17:39,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:17:39,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:17:39,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:17:39,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-16 12:17:39,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:17:39,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:17:39,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:17:40,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:17:40,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:17:40,011 INFO L158 Benchmark]: Toolchain (without parser) took 10238.87ms. Allocated memory was 94.4MB in the beginning and 325.1MB in the end (delta: 230.7MB). Free memory was 57.3MB in the beginning and 157.1MB in the end (delta: -99.8MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,011 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:17:40,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.36ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 68.9MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.27ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 66.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,013 INFO L158 Benchmark]: Boogie Preprocessor took 66.45ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 63.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,013 INFO L158 Benchmark]: RCFGBuilder took 1409.31ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 63.4MB in the beginning and 43.0MB in the end (delta: 20.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,014 INFO L158 Benchmark]: TraceAbstraction took 8092.25ms. Allocated memory was 113.2MB in the beginning and 325.1MB in the end (delta: 211.8MB). Free memory was 42.1MB in the beginning and 161.3MB in the end (delta: -119.2MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,014 INFO L158 Benchmark]: Witness Printer took 68.60ms. Allocated memory is still 325.1MB. Free memory was 161.3MB in the beginning and 157.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:17:40,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.36ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 68.9MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.27ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 66.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.45ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 63.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.31ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 63.4MB in the beginning and 43.0MB in the end (delta: 20.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8092.25ms. Allocated memory was 113.2MB in the beginning and 325.1MB in the end (delta: 211.8MB). Free memory was 42.1MB in the beginning and 161.3MB in the end (delta: -119.2MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * Witness Printer took 68.60ms. Allocated memory is still 325.1MB. Free memory was 161.3MB in the beginning and 157.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 383 locations, 96 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.7s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 657 IncrementalHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 188 mSDtfsCounter, 657 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2055 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2033 ConstructedInterpolants, 0 QuantifiedInterpolants, 2454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:17:40,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5f50d-42e3-4488-828c-d1c4e1e9c5e0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE