./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-easy11.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_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/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_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy11.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/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_14a308b4-0846-431c-99ba-810cee8c1ea7/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 a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 --- 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 19:39:32,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:39:32,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:39:32,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:39:32,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:39:32,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:39:32,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:39:32,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:39:32,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:39:32,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:39:32,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:39:32,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:39:32,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:39:32,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:39:32,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:39:32,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:39:32,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:39:32,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:39:32,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:39:32,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:39:32,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:39:32,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:39:32,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:39:32,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:39:32,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:39:32,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:39:32,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:39:32,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:39:32,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:39:32,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:39:32,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:39:32,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:39:32,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:39:32,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:39:32,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:39:32,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:39:32,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:39:32,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:39:32,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:39:32,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:39:32,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:39:32,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 19:39:32,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:39:32,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:39:32,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:39:32,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:39:32,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:39:32,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:39:32,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:39:32,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:39:32,484 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:39:32,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:39:32,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:39:32,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:39:32,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:39:32,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:39:32,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:39:32,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:39:32,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:39:32,488 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:39:32,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:39:32,489 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:39:32,489 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_14a308b4-0846-431c-99ba-810cee8c1ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 [2022-12-13 19:39:32,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:39:32,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:39:32,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:39:32,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:39:32,678 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:39:32,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/test-easy11.wvr.c [2022-12-13 19:39:35,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:39:35,544 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:39:35,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/sv-benchmarks/c/weaver/test-easy11.wvr.c [2022-12-13 19:39:35,549 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/data/7fd76fd10/7fbede49d5b04d6b9b89d755411dc444/FLAGe36f03311 [2022-12-13 19:39:35,560 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/data/7fd76fd10/7fbede49d5b04d6b9b89d755411dc444 [2022-12-13 19:39:35,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:39:35,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:39:35,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:39:35,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:39:35,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:39:35,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5b9172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35, skipping insertion in model container [2022-12-13 19:39:35,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:39:35,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:39:35,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:39:35,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:39:35,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:39:35,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:39:35,764 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_14a308b4-0846-431c-99ba-810cee8c1ea7/sv-benchmarks/c/weaver/test-easy11.wvr.c[2005,2018] [2022-12-13 19:39:35,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:39:35,774 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:39:35,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:39:35,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:39:35,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:39:35,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:39:35,797 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_14a308b4-0846-431c-99ba-810cee8c1ea7/sv-benchmarks/c/weaver/test-easy11.wvr.c[2005,2018] [2022-12-13 19:39:35,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:39:35,811 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:39:35,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35 WrapperNode [2022-12-13 19:39:35,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:39:35,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:39:35,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:39:35,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:39:35,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,847 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-13 19:39:35,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:39:35,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:39:35,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:39:35,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:39:35,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:39:35,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:39:35,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:39:35,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:39:35,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (1/1) ... [2022-12-13 19:39:35,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:39:35,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:39:35,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:39:35,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:39:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:39:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 19:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 19:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 19:39:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 19:39:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:39:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:39:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:39:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:39:35,938 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 19:39:36,025 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:39:36,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:39:36,217 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:39:36,245 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:39:36,245 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:39:36,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:36 BoogieIcfgContainer [2022-12-13 19:39:36,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:39:36,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:39:36,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:39:36,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:39:36,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:39:35" (1/3) ... [2022-12-13 19:39:36,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2b5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:39:36, skipping insertion in model container [2022-12-13 19:39:36,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:39:35" (2/3) ... [2022-12-13 19:39:36,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2b5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:39:36, skipping insertion in model container [2022-12-13 19:39:36,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:36" (3/3) ... [2022-12-13 19:39:36,254 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2022-12-13 19:39:36,260 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:39:36,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:39:36,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-12-13 19:39:36,268 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:39:36,312 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 19:39:36,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 119 transitions, 254 flow [2022-12-13 19:39:36,389 INFO L130 PetriNetUnfolder]: 6/117 cut-off events. [2022-12-13 19:39:36,389 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 19:39:36,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 6/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-12-13 19:39:36,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 119 transitions, 254 flow [2022-12-13 19:39:36,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 99 transitions, 210 flow [2022-12-13 19:39:36,400 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:39:36,407 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 99 transitions, 210 flow [2022-12-13 19:39:36,410 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 99 transitions, 210 flow [2022-12-13 19:39:36,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 99 transitions, 210 flow [2022-12-13 19:39:36,439 INFO L130 PetriNetUnfolder]: 5/99 cut-off events. [2022-12-13 19:39:36,440 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 19:39:36,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 99 events. 5/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-12-13 19:39:36,444 INFO L119 LiptonReduction]: Number of co-enabled transitions 1568 [2022-12-13 19:39:38,435 INFO L134 LiptonReduction]: Checked pairs total: 2293 [2022-12-13 19:39:38,435 INFO L136 LiptonReduction]: Total number of compositions: 89 [2022-12-13 19:39:38,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:39:38,453 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;@2d3fffd7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:39:38,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-12-13 19:39:38,455 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2022-12-13 19:39:38,455 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:39:38,455 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:39:38,455 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 19:39:38,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-12-13 19:39:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:38,461 INFO L85 PathProgramCache]: Analyzing trace with hash 447, now seen corresponding path program 1 times [2022-12-13 19:39:38,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:38,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80744068] [2022-12-13 19:39:38,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:38,568 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 19:39:38,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:38,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80744068] [2022-12-13 19:39:38,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80744068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:38,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:38,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 19:39:38,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713997149] [2022-12-13 19:39:38,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:38,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:39:38,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:38,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:39:38,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:39:38,602 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 208 [2022-12-13 19:39:38,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 66 flow. Second operand has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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 19:39:38,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:39:38,605 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 208 [2022-12-13 19:39:38,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:39:38,653 INFO L130 PetriNetUnfolder]: 65/120 cut-off events. [2022-12-13 19:39:38,653 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 19:39:38,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 120 events. 65/120 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 287 event pairs, 45 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 205. Up to 116 conditions per place. [2022-12-13 19:39:38,656 INFO L137 encePairwiseOnDemand]: 199/208 looper letters, 15 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2022-12-13 19:39:38,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 18 transitions, 80 flow [2022-12-13 19:39:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:39:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:39:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2022-12-13 19:39:38,668 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5600961538461539 [2022-12-13 19:39:38,669 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 233 transitions. [2022-12-13 19:39:38,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 233 transitions. [2022-12-13 19:39:38,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:39:38,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 233 transitions. [2022-12-13 19:39:38,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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 19:39:38,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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 19:39:38,681 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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 19:39:38,683 INFO L175 Difference]: Start difference. First operand has 32 places, 27 transitions, 66 flow. Second operand 2 states and 233 transitions. [2022-12-13 19:39:38,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 18 transitions, 80 flow [2022-12-13 19:39:38,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 72 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:39:38,688 INFO L231 Difference]: Finished difference. Result has 20 places, 17 transitions, 37 flow [2022-12-13 19:39:38,690 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=37, PETRI_PLACES=20, PETRI_TRANSITIONS=17} [2022-12-13 19:39:38,693 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -12 predicate places. [2022-12-13 19:39:38,693 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 37 flow [2022-12-13 19:39:38,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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 19:39:38,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:39:38,694 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 19:39:38,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:39:38,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-12-13 19:39:38,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash 13607680, now seen corresponding path program 1 times [2022-12-13 19:39:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:38,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216424944] [2022-12-13 19:39:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:38,765 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 19:39:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:38,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216424944] [2022-12-13 19:39:38,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216424944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:38,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:38,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:39:38,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521006786] [2022-12-13 19:39:38,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:38,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:39:38,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:38,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:39:38,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:39:38,781 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 208 [2022-12-13 19:39:38,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 19:39:38,782 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:39:38,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 208 [2022-12-13 19:39:38,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:39:38,816 INFO L130 PetriNetUnfolder]: 65/114 cut-off events. [2022-12-13 19:39:38,816 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 19:39:38,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 114 events. 65/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 248 event pairs, 45 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 233. Up to 114 conditions per place. [2022-12-13 19:39:38,817 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2022-12-13 19:39:38,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 15 transitions, 63 flow [2022-12-13 19:39:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:39:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:39:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2022-12-13 19:39:38,820 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4791666666666667 [2022-12-13 19:39:38,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 299 transitions. [2022-12-13 19:39:38,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 299 transitions. [2022-12-13 19:39:38,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:39:38,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 299 transitions. [2022-12-13 19:39:38,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 19:39:38,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 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 19:39:38,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 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 19:39:38,825 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 37 flow. Second operand 3 states and 299 transitions. [2022-12-13 19:39:38,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 15 transitions, 63 flow [2022-12-13 19:39:38,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 63 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:39:38,825 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2022-12-13 19:39:38,826 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2022-12-13 19:39:38,826 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -13 predicate places. [2022-12-13 19:39:38,826 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2022-12-13 19:39:38,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 19:39:38,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 19 remaining) [2022-12-13 19:39:38,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2022-12-13 19:39:38,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2022-12-13 19:39:38,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2022-12-13 19:39:38,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2022-12-13 19:39:38,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2022-12-13 19:39:38,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2022-12-13 19:39:38,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2022-12-13 19:39:38,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2022-12-13 19:39:38,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2022-12-13 19:39:38,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2022-12-13 19:39:38,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2022-12-13 19:39:38,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2022-12-13 19:39:38,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2022-12-13 19:39:38,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:39:38,833 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:39:38,838 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:39:38,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:39:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:39:38 BasicIcfg [2022-12-13 19:39:38,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:39:38,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:39:38,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:39:38,843 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:39:38,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:36" (3/4) ... [2022-12-13 19:39:38,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:39:38,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 19:39:38,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 19:39:38,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 19:39:38,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:39:38,855 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:39:38,855 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:39:38,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:39:38,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:39:38,889 INFO L158 Benchmark]: Toolchain (without parser) took 3324.37ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 92.8MB in the beginning and 141.4MB in the end (delta: -48.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,889 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:39:38,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.76ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.83ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,890 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,890 INFO L158 Benchmark]: RCFGBuilder took 371.72ms. Allocated memory is still 125.8MB. Free memory was 78.2MB in the beginning and 61.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,891 INFO L158 Benchmark]: TraceAbstraction took 2593.03ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 61.1MB in the beginning and 143.4MB in the end (delta: -82.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:39:38,891 INFO L158 Benchmark]: Witness Printer took 45.29ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:39:38,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.76ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.83ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.72ms. Allocated memory is still 125.8MB. Free memory was 78.2MB in the beginning and 61.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2593.03ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 61.1MB in the beginning and 143.4MB in the end (delta: -82.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.29ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 101 PlacesBefore, 32 PlacesAfterwards, 99 TransitionsBefore, 27 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 89 TotalNumberOfCompositions, 2293 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1741, independent: 1675, independent conditional: 0, independent unconditional: 1675, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 816, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1741, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 816, unknown conditional: 0, unknown unconditional: 816] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: 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: 47]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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, 146 locations, 19 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: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 3 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:39:38,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a308b4-0846-431c-99ba-810cee8c1ea7/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