./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:04:37,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:04:37,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:04:37,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:04:37,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:04:37,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:04:37,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:04:37,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:04:37,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:04:37,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:04:37,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:04:37,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:04:37,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:04:37,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:04:37,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:04:37,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:04:37,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:04:37,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:04:37,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:04:37,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:04:37,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:04:37,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:04:37,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:04:37,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:04:37,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:04:37,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:04:37,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:04:37,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:04:37,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:04:37,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:04:37,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:04:37,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:04:37,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:04:37,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:04:37,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:04:37,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:04:37,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:04:37,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:04:37,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:04:37,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:04:37,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:04:37,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:04:37,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:04:37,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:04:37,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:04:37,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:04:37,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:04:37,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:04:37,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:04:37,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:04:37,551 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:04:37,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:04:37,552 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:04:37,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:04:37,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:37,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:04:37,554 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:04:37,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:04:37,555 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:04:37,555 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df [2022-12-13 20:04:37,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:04:37,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:04:37,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:04:37,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:04:37,761 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:04:37,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2022-12-13 20:04:40,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:04:40,540 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:04:40,541 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2022-12-13 20:04:40,548 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/data/10704e168/9759b97fa5cf476a9b88f14519278df0/FLAGc1ac65ab9 [2022-12-13 20:04:40,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/data/10704e168/9759b97fa5cf476a9b88f14519278df0 [2022-12-13 20:04:40,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:04:40,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:04:40,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:40,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:04:40,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:04:40,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c455a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40, skipping insertion in model container [2022-12-13 20:04:40,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:04:40,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:04:40,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,723 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,733 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2022-12-13 20:04:40,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:40,744 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:04:40,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:04:40,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:04:40,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2022-12-13 20:04:40,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:40,778 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:04:40,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40 WrapperNode [2022-12-13 20:04:40,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:40,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:40,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:04:40,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:04:40,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,812 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 292 [2022-12-13 20:04:40,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:40,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:04:40,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:04:40,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:04:40,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:04:40,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:04:40,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:04:40,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:04:40,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (1/1) ... [2022-12-13 20:04:40,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:04:40,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:04:40,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 20:04:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 20:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 20:04:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 20:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:04:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:04:40,913 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:04:41,010 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:04:41,012 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:04:41,412 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:04:41,606 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:04:41,607 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 20:04:41,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:41 BoogieIcfgContainer [2022-12-13 20:04:41,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:04:41,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:04:41,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:04:41,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:04:41,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:04:40" (1/3) ... [2022-12-13 20:04:41,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9daa26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:41, skipping insertion in model container [2022-12-13 20:04:41,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:40" (2/3) ... [2022-12-13 20:04:41,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9daa26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:41, skipping insertion in model container [2022-12-13 20:04:41,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:41" (3/3) ... [2022-12-13 20:04:41,618 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2022-12-13 20:04:41,627 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:04:41,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:04:41,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-12-13 20:04:41,638 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:04:41,706 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 20:04:41,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 228 places, 232 transitions, 480 flow [2022-12-13 20:04:41,817 INFO L130 PetriNetUnfolder]: 11/230 cut-off events. [2022-12-13 20:04:41,817 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:04:41,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 230 events. 11/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 290 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 160. Up to 3 conditions per place. [2022-12-13 20:04:41,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 228 places, 232 transitions, 480 flow [2022-12-13 20:04:41,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 212 transitions, 436 flow [2022-12-13 20:04:41,832 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:04:41,842 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 212 transitions, 436 flow [2022-12-13 20:04:41,845 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 212 transitions, 436 flow [2022-12-13 20:04:41,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 212 transitions, 436 flow [2022-12-13 20:04:41,878 INFO L130 PetriNetUnfolder]: 10/212 cut-off events. [2022-12-13 20:04:41,879 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:04:41,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 10/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 295 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 160. Up to 3 conditions per place. [2022-12-13 20:04:41,881 INFO L119 LiptonReduction]: Number of co-enabled transitions 3588 [2022-12-13 20:04:48,899 INFO L134 LiptonReduction]: Checked pairs total: 10697 [2022-12-13 20:04:48,899 INFO L136 LiptonReduction]: Total number of compositions: 239 [2022-12-13 20:04:48,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:04:48,913 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;@1bad4e0d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:04:48,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2022-12-13 20:04:48,914 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 20:04:48,914 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:04:48,914 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:04:48,915 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 20:04:48,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 20:04:48,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1201, now seen corresponding path program 1 times [2022-12-13 20:04:48,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790425079] [2022-12-13 20:04:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:48,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:48,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790425079] [2022-12-13 20:04:48,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790425079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:48,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:48,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 20:04:48,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668145382] [2022-12-13 20:04:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:48,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:04:48,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:04:49,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:04:49,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 471 [2022-12-13 20:04:49,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 144 flow. Second operand has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:04:49,017 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 471 [2022-12-13 20:04:49,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:04:49,084 INFO L130 PetriNetUnfolder]: 49/127 cut-off events. [2022-12-13 20:04:49,084 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-13 20:04:49,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 127 events. 49/127 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 375 event pairs, 19 based on Foata normal form. 1/86 useless extension candidates. Maximal degree in co-relation 159. Up to 80 conditions per place. [2022-12-13 20:04:49,086 INFO L137 encePairwiseOnDemand]: 431/471 looper letters, 13 selfloop transitions, 0 changer transitions 1/26 dead transitions. [2022-12-13 20:04:49,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 92 flow [2022-12-13 20:04:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:04:49,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:04:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 434 transitions. [2022-12-13 20:04:49,098 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4607218683651805 [2022-12-13 20:04:49,099 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 434 transitions. [2022-12-13 20:04:49,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 434 transitions. [2022-12-13 20:04:49,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:04:49,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 434 transitions. [2022-12-13 20:04:49,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 217.0) internal successors, (434), 2 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,112 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,114 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 144 flow. Second operand 2 states and 434 transitions. [2022-12-13 20:04:49,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 92 flow [2022-12-13 20:04:49,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 84 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:04:49,117 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 53 flow [2022-12-13 20:04:49,119 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2022-12-13 20:04:49,122 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, -43 predicate places. [2022-12-13 20:04:49,122 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 53 flow [2022-12-13 20:04:49,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:04:49,123 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:04:49,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 20:04:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash -508932677, now seen corresponding path program 1 times [2022-12-13 20:04:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729227456] [2022-12-13 20:04:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:49,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:49,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729227456] [2022-12-13 20:04:49,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729227456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:49,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:49,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:04:49,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533811505] [2022-12-13 20:04:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:49,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:49,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:49,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:49,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:49,704 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 471 [2022-12-13 20:04:49,706 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 6 states, 6 states have (on average 178.66666666666666) internal successors, (1072), 6 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,706 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:04:49,706 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 471 [2022-12-13 20:04:49,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:04:49,903 INFO L130 PetriNetUnfolder]: 145/228 cut-off events. [2022-12-13 20:04:49,903 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:04:49,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 228 events. 145/228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 624 event pairs, 5 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 442. Up to 80 conditions per place. [2022-12-13 20:04:49,904 INFO L137 encePairwiseOnDemand]: 466/471 looper letters, 29 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2022-12-13 20:04:49,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 40 transitions, 149 flow [2022-12-13 20:04:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:04:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:04:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1096 transitions. [2022-12-13 20:04:49,909 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3878273177636235 [2022-12-13 20:04:49,910 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1096 transitions. [2022-12-13 20:04:49,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1096 transitions. [2022-12-13 20:04:49,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:04:49,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1096 transitions. [2022-12-13 20:04:49,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,918 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,918 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 6 states and 1096 transitions. [2022-12-13 20:04:49,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 40 transitions, 149 flow [2022-12-13 20:04:49,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 40 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:04:49,920 INFO L231 Difference]: Finished difference. Result has 30 places, 24 transitions, 59 flow [2022-12-13 20:04:49,920 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=59, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2022-12-13 20:04:49,920 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, -40 predicate places. [2022-12-13 20:04:49,920 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 59 flow [2022-12-13 20:04:49,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.66666666666666) internal successors, (1072), 6 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:49,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:04:49,921 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:49,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:04:49,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 20:04:49,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash -565080978, now seen corresponding path program 1 times [2022-12-13 20:04:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:49,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384926595] [2022-12-13 20:04:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:04:50,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:50,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384926595] [2022-12-13 20:04:50,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384926595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:50,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:50,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:04:50,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378796260] [2022-12-13 20:04:50,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:50,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:04:50,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:50,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:04:50,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:04:50,073 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 471 [2022-12-13 20:04:50,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 59 flow. Second operand has 4 states, 4 states have (on average 186.25) internal successors, (745), 4 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) [2022-12-13 20:04:50,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:04:50,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 471 [2022-12-13 20:04:50,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:04:50,142 INFO L130 PetriNetUnfolder]: 45/128 cut-off events. [2022-12-13 20:04:50,142 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 20:04:50,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 128 events. 45/128 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 381 event pairs, 18 based on Foata normal form. 5/101 useless extension candidates. Maximal degree in co-relation 241. Up to 74 conditions per place. [2022-12-13 20:04:50,143 INFO L137 encePairwiseOnDemand]: 464/471 looper letters, 12 selfloop transitions, 2 changer transitions 5/30 dead transitions. [2022-12-13 20:04:50,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 113 flow [2022-12-13 20:04:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:04:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 20:04:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 759 transitions. [2022-12-13 20:04:50,145 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4028662420382166 [2022-12-13 20:04:50,145 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 759 transitions. [2022-12-13 20:04:50,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 759 transitions. [2022-12-13 20:04:50,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:04:50,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 759 transitions. [2022-12-13 20:04:50,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 189.75) internal successors, (759), 4 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 471.0) internal successors, (2355), 5 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,151 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 471.0) internal successors, (2355), 5 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,151 INFO L175 Difference]: Start difference. First operand has 30 places, 24 transitions, 59 flow. Second operand 4 states and 759 transitions. [2022-12-13 20:04:50,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 113 flow [2022-12-13 20:04:50,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 104 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:04:50,152 INFO L231 Difference]: Finished difference. Result has 31 places, 25 transitions, 72 flow [2022-12-13 20:04:50,153 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=25} [2022-12-13 20:04:50,153 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, -39 predicate places. [2022-12-13 20:04:50,153 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 72 flow [2022-12-13 20:04:50,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.25) internal successors, (745), 4 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) [2022-12-13 20:04:50,154 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:04:50,154 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:04:50,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 20:04:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 666212671, now seen corresponding path program 1 times [2022-12-13 20:04:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:50,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808465881] [2022-12-13 20:04:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:04:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:04:50,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:04:50,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808465881] [2022-12-13 20:04:50,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808465881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:04:50,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:04:50,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:04:50,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070738910] [2022-12-13 20:04:50,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:04:50,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:04:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:04:50,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:04:50,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:04:50,508 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 471 [2022-12-13 20:04:50,509 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 72 flow. Second operand has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:04:50,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 471 [2022-12-13 20:04:50,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:04:50,654 INFO L130 PetriNetUnfolder]: 65/134 cut-off events. [2022-12-13 20:04:50,654 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-13 20:04:50,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 134 events. 65/134 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 368 event pairs, 17 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 328. Up to 73 conditions per place. [2022-12-13 20:04:50,654 INFO L137 encePairwiseOnDemand]: 466/471 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2022-12-13 20:04:50,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 154 flow [2022-12-13 20:04:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:04:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:04:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1088 transitions. [2022-12-13 20:04:50,658 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.38499646142958244 [2022-12-13 20:04:50,658 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1088 transitions. [2022-12-13 20:04:50,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1088 transitions. [2022-12-13 20:04:50,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:04:50,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1088 transitions. [2022-12-13 20:04:50,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,667 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,667 INFO L175 Difference]: Start difference. First operand has 31 places, 25 transitions, 72 flow. Second operand 6 states and 1088 transitions. [2022-12-13 20:04:50,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 154 flow [2022-12-13 20:04:50,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 32 transitions, 150 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 20:04:50,669 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2022-12-13 20:04:50,669 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2022-12-13 20:04:50,669 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, -37 predicate places. [2022-12-13 20:04:50,670 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2022-12-13 20:04:50,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:04:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2022-12-13 20:04:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2022-12-13 20:04:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2022-12-13 20:04:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2022-12-13 20:04:50,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2022-12-13 20:04:50,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2022-12-13 20:04:50,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2022-12-13 20:04:50,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2022-12-13 20:04:50,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2022-12-13 20:04:50,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2022-12-13 20:04:50,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2022-12-13 20:04:50,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2022-12-13 20:04:50,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2022-12-13 20:04:50,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2022-12-13 20:04:50,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2022-12-13 20:04:50,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2022-12-13 20:04:50,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2022-12-13 20:04:50,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2022-12-13 20:04:50,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:04:50,684 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 20:04:50,689 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:04:50,689 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:04:50,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:04:50 BasicIcfg [2022-12-13 20:04:50,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:04:50,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:04:50,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:04:50,692 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:04:50,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:41" (3/4) ... [2022-12-13 20:04:50,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:04:50,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 20:04:50,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 20:04:50,701 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 20:04:50,701 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:04:50,701 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:04:50,701 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:04:50,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:04:50,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:04:50,732 INFO L158 Benchmark]: Toolchain (without parser) took 10166.09ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 133.9MB in the beginning and 115.3MB in the end (delta: 18.6MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,733 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:04:50,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.21ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 120.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.10ms. Allocated memory is still 169.9MB. Free memory was 120.7MB in the beginning and 117.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,734 INFO L158 Benchmark]: Boogie Preprocessor took 30.25ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,734 INFO L158 Benchmark]: RCFGBuilder took 765.33ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 130.0MB in the end (delta: -14.1MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,734 INFO L158 Benchmark]: TraceAbstraction took 9079.78ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.0MB in the beginning and 119.5MB in the end (delta: 10.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,735 INFO L158 Benchmark]: Witness Printer took 40.26ms. Allocated memory is still 205.5MB. Free memory was 119.5MB in the beginning and 115.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:04:50,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.21ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 120.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.10ms. Allocated memory is still 169.9MB. Free memory was 120.7MB in the beginning and 117.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.25ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.33ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 130.0MB in the end (delta: -14.1MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9079.78ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.0MB in the beginning and 119.5MB in the end (delta: 10.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 40.26ms. Allocated memory is still 205.5MB. Free memory was 119.5MB in the beginning and 115.3MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1s, 209 PlacesBefore, 70 PlacesAfterwards, 212 TransitionsBefore, 66 TransitionsAfterwards, 3588 CoEnabledTransitionPairs, 9 FixpointIterations, 142 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 5 ConcurrentYvCompositions, 7 ChoiceCompositions, 239 TotalNumberOfCompositions, 10697 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4890, independent: 4637, independent conditional: 0, independent unconditional: 4637, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1480, independent: 1429, independent conditional: 0, independent unconditional: 1429, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4890, independent: 3208, independent conditional: 0, independent unconditional: 3208, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 1480, unknown conditional: 0, unknown unconditional: 1480] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 55]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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, 279 locations, 73 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: 8.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 454 IncrementalHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 0 mSDtfsCounter, 454 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:04:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb8f0e72-7de0-463f-baab-6d24471797f6/bin/uautomizer-uyxdKDjOR8/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