./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/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_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/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_4fc86491-44cb-41ca-8c32-690549c6e456/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 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 --- 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 15:36:56,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:36:56,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:36:56,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:36:56,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:36:56,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:36:56,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:36:56,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:36:56,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:36:56,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:36:56,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:36:56,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:36:56,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:36:56,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:36:56,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:36:56,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:36:56,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:36:56,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:36:56,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:36:56,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:36:56,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:36:56,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:36:56,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:36:56,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:36:56,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:36:56,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:36:56,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:36:56,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:36:56,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:36:56,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:36:56,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:36:56,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:36:56,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:36:56,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:36:56,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:36:56,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:36:56,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:36:56,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:36:56,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:36:56,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:36:56,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:36:56,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:36:56,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:36:56,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:36:56,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:36:56,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:36:56,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:36:56,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:36:56,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:36:56,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:36:56,717 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:36:56,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:36:56,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:36:56,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:36:56,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:36:56,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:36:56,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:36:56,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:36:56,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:36:56,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:36:56,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:36:56,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:36:56,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:36:56,721 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:36:56,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:36:56,721 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:36:56,721 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_4fc86491-44cb-41ca-8c32-690549c6e456/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 [2022-12-13 15:36:56,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:36:56,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:36:56,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:36:56,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:36:56,927 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:36:56,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-12-13 15:36:59,562 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:36:59,686 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:36:59,687 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-12-13 15:36:59,692 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/data/916968fab/74f1fde70e42440788714a23ffba9123/FLAG3c5b89fd4 [2022-12-13 15:36:59,705 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/data/916968fab/74f1fde70e42440788714a23ffba9123 [2022-12-13 15:36:59,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:36:59,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:36:59,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:36:59,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:36:59,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:36:59,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dbb52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59, skipping insertion in model container [2022-12-13 15:36:59,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:36:59,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:36:59,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,881 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_4fc86491-44cb-41ca-8c32-690549c6e456/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-12-13 15:36:59,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:36:59,893 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:36:59,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:36:59,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:36:59,915 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_4fc86491-44cb-41ca-8c32-690549c6e456/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-12-13 15:36:59,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:36:59,928 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:36:59,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59 WrapperNode [2022-12-13 15:36:59,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:36:59,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:36:59,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:36:59,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:36:59,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,965 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 402 [2022-12-13 15:36:59,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:36:59,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:36:59,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:36:59,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:36:59,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,994 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:36:59,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:36:59,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:36:59,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:36:59,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:36:59,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (1/1) ... [2022-12-13 15:37:00,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:37:00,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:37:00,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:37:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 15:37:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 15:37:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 15:37:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 15:37:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:37:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:37:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:37:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:37:00,063 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 15:37:00,151 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:37:00,153 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:37:00,634 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:37:00,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:37:00,879 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 15:37:00,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:00 BoogieIcfgContainer [2022-12-13 15:37:00,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:37:00,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:37:00,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:37:00,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:37:00,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:36:59" (1/3) ... [2022-12-13 15:37:00,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1227d1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:37:00, skipping insertion in model container [2022-12-13 15:37:00,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:36:59" (2/3) ... [2022-12-13 15:37:00,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1227d1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:37:00, skipping insertion in model container [2022-12-13 15:37:00,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:00" (3/3) ... [2022-12-13 15:37:00,890 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-12-13 15:37:00,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:37:00,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:37:00,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-12-13 15:37:00,909 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:37:00,976 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 15:37:01,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 302 transitions, 628 flow [2022-12-13 15:37:01,100 INFO L130 PetriNetUnfolder]: 17/299 cut-off events. [2022-12-13 15:37:01,101 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:37:01,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 299 events. 17/299 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 310 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-12-13 15:37:01,107 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 302 transitions, 628 flow [2022-12-13 15:37:01,114 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 279 transitions, 576 flow [2022-12-13 15:37:01,118 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:37:01,130 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 279 transitions, 576 flow [2022-12-13 15:37:01,133 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 279 transitions, 576 flow [2022-12-13 15:37:01,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 279 transitions, 576 flow [2022-12-13 15:37:01,194 INFO L130 PetriNetUnfolder]: 16/279 cut-off events. [2022-12-13 15:37:01,195 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:37:01,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 279 events. 16/279 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 313 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-12-13 15:37:01,200 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2022-12-13 15:37:19,789 INFO L134 LiptonReduction]: Checked pairs total: 35205 [2022-12-13 15:37:19,789 INFO L136 LiptonReduction]: Total number of compositions: 278 [2022-12-13 15:37:19,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:37:19,803 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;@76beab14, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:37:19,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-12-13 15:37:19,805 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 15:37:19,805 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:37:19,805 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:19,805 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:37:19,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:19,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1602, now seen corresponding path program 1 times [2022-12-13 15:37:19,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:19,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989559361] [2022-12-13 15:37:19,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:19,886 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 15:37:19,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:19,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989559361] [2022-12-13 15:37:19,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989559361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:19,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:19,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 15:37:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965620975] [2022-12-13 15:37:19,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:19,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:37:19,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:19,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:37:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:37:19,914 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 580 [2022-12-13 15:37:19,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 188 flow. Second operand has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 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 15:37:19,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:19,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 580 [2022-12-13 15:37:19,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:20,091 INFO L130 PetriNetUnfolder]: 334/801 cut-off events. [2022-12-13 15:37:20,091 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-12-13 15:37:20,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 801 events. 334/801 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4809 event pairs, 176 based on Foata normal form. 156/783 useless extension candidates. Maximal degree in co-relation 1077. Up to 463 conditions per place. [2022-12-13 15:37:20,098 INFO L137 encePairwiseOnDemand]: 546/580 looper letters, 23 selfloop transitions, 0 changer transitions 1/51 dead transitions. [2022-12-13 15:37:20,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 51 transitions, 168 flow [2022-12-13 15:37:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:37:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 15:37:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 584 transitions. [2022-12-13 15:37:20,111 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.503448275862069 [2022-12-13 15:37:20,111 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 584 transitions. [2022-12-13 15:37:20,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 584 transitions. [2022-12-13 15:37:20,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:20,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 584 transitions. [2022-12-13 15:37:20,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 292.0) internal successors, (584), 2 states have internal predecessors, (584), 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 15:37:20,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 580.0) internal successors, (1740), 3 states have internal predecessors, (1740), 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 15:37:20,126 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 580.0) internal successors, (1740), 3 states have internal predecessors, (1740), 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 15:37:20,127 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 188 flow. Second operand 2 states and 584 transitions. [2022-12-13 15:37:20,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 51 transitions, 168 flow [2022-12-13 15:37:20,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 156 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 15:37:20,133 INFO L231 Difference]: Finished difference. Result has 51 places, 50 transitions, 105 flow [2022-12-13 15:37:20,135 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2022-12-13 15:37:20,137 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -36 predicate places. [2022-12-13 15:37:20,138 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 105 flow [2022-12-13 15:37:20,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 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 15:37:20,138 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:20,138 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:20,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:37:20,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:20,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:20,140 INFO L85 PathProgramCache]: Analyzing trace with hash -405320922, now seen corresponding path program 1 times [2022-12-13 15:37:20,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:20,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277413755] [2022-12-13 15:37:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:20,273 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 15:37:20,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:20,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277413755] [2022-12-13 15:37:20,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277413755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:20,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:20,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:37:20,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101460335] [2022-12-13 15:37:20,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:20,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:37:20,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:37:20,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:37:20,295 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 580 [2022-12-13 15:37:20,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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 15:37:20,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:20,296 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 580 [2022-12-13 15:37:20,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:20,458 INFO L130 PetriNetUnfolder]: 580/1111 cut-off events. [2022-12-13 15:37:20,459 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 15:37:20,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 1111 events. 580/1111 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6143 event pairs, 364 based on Foata normal form. 0/924 useless extension candidates. Maximal degree in co-relation 1942. Up to 810 conditions per place. [2022-12-13 15:37:20,463 INFO L137 encePairwiseOnDemand]: 577/580 looper letters, 25 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2022-12-13 15:37:20,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 153 flow [2022-12-13 15:37:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:37:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:37:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2022-12-13 15:37:20,466 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4419540229885057 [2022-12-13 15:37:20,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 769 transitions. [2022-12-13 15:37:20,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 769 transitions. [2022-12-13 15:37:20,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:20,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 769 transitions. [2022-12-13 15:37:20,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:37:20,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 580.0) internal successors, (2320), 4 states have internal predecessors, (2320), 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 15:37:20,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 580.0) internal successors, (2320), 4 states have internal predecessors, (2320), 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 15:37:20,473 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 105 flow. Second operand 3 states and 769 transitions. [2022-12-13 15:37:20,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 153 flow [2022-12-13 15:37:20,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 48 transitions, 153 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:37:20,474 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 103 flow [2022-12-13 15:37:20,474 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2022-12-13 15:37:20,475 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -37 predicate places. [2022-12-13 15:37:20,475 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 103 flow [2022-12-13 15:37:20,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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 15:37:20,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:20,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:20,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:37:20,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:20,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1599234205, now seen corresponding path program 1 times [2022-12-13 15:37:20,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:20,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89870573] [2022-12-13 15:37:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:20,555 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 15:37:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:20,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89870573] [2022-12-13 15:37:20,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89870573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:20,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:20,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:37:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106041881] [2022-12-13 15:37:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:20,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:37:20,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:37:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:37:20,571 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 580 [2022-12-13 15:37:20,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 15:37:20,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:20,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 580 [2022-12-13 15:37:20,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:20,750 INFO L130 PetriNetUnfolder]: 623/1178 cut-off events. [2022-12-13 15:37:20,750 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-13 15:37:20,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2086 conditions, 1178 events. 623/1178 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6182 event pairs, 418 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 2082. Up to 874 conditions per place. [2022-12-13 15:37:20,754 INFO L137 encePairwiseOnDemand]: 577/580 looper letters, 25 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2022-12-13 15:37:20,754 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 151 flow [2022-12-13 15:37:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:37:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:37:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2022-12-13 15:37:20,756 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4471264367816092 [2022-12-13 15:37:20,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2022-12-13 15:37:20,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2022-12-13 15:37:20,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:20,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2022-12-13 15:37:20,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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 15:37:20,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 580.0) internal successors, (2320), 4 states have internal predecessors, (2320), 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 15:37:20,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 580.0) internal successors, (2320), 4 states have internal predecessors, (2320), 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 15:37:20,760 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 103 flow. Second operand 3 states and 778 transitions. [2022-12-13 15:37:20,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 151 flow [2022-12-13 15:37:20,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:37:20,761 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 100 flow [2022-12-13 15:37:20,762 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2022-12-13 15:37:20,762 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -38 predicate places. [2022-12-13 15:37:20,762 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 100 flow [2022-12-13 15:37:20,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 15:37:20,763 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:20,763 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:20,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:37:20,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:20,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:20,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1315930784, now seen corresponding path program 1 times [2022-12-13 15:37:20,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:20,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448232592] [2022-12-13 15:37:20,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:20,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:20,861 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 15:37:20,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:20,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448232592] [2022-12-13 15:37:20,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448232592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:20,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:20,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:37:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994700643] [2022-12-13 15:37:20,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:20,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:37:20,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:20,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:37:20,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:37:20,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 580 [2022-12-13 15:37:20,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 255.25) internal successors, (1021), 4 states have internal predecessors, (1021), 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 15:37:20,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:20,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 580 [2022-12-13 15:37:20,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:21,171 INFO L130 PetriNetUnfolder]: 335/767 cut-off events. [2022-12-13 15:37:21,171 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 15:37:21,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 767 events. 335/767 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4390 event pairs, 176 based on Foata normal form. 3/615 useless extension candidates. Maximal degree in co-relation 1252. Up to 462 conditions per place. [2022-12-13 15:37:21,175 INFO L137 encePairwiseOnDemand]: 575/580 looper letters, 21 selfloop transitions, 4 changer transitions 3/51 dead transitions. [2022-12-13 15:37:21,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 166 flow [2022-12-13 15:37:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:37:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:37:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1296 transitions. [2022-12-13 15:37:21,178 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44689655172413795 [2022-12-13 15:37:21,178 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1296 transitions. [2022-12-13 15:37:21,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1296 transitions. [2022-12-13 15:37:21,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:21,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1296 transitions. [2022-12-13 15:37:21,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 259.2) internal successors, (1296), 5 states have internal predecessors, (1296), 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 15:37:21,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 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 15:37:21,184 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 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 15:37:21,184 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 100 flow. Second operand 5 states and 1296 transitions. [2022-12-13 15:37:21,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 166 flow [2022-12-13 15:37:21,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 165 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:37:21,185 INFO L231 Difference]: Finished difference. Result has 55 places, 48 transitions, 127 flow [2022-12-13 15:37:21,185 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=127, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2022-12-13 15:37:21,186 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -32 predicate places. [2022-12-13 15:37:21,186 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 127 flow [2022-12-13 15:37:21,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 255.25) internal successors, (1021), 4 states have internal predecessors, (1021), 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 15:37:21,186 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:21,187 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:21,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:37:21,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -630341609, now seen corresponding path program 1 times [2022-12-13 15:37:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:21,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542078643] [2022-12-13 15:37:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:21,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:37:21,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:21,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542078643] [2022-12-13 15:37:21,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542078643] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:21,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:21,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:37:21,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163000111] [2022-12-13 15:37:21,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:21,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:37:21,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:21,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:37:21,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:37:21,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 580 [2022-12-13 15:37:21,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 127 flow. Second operand has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 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 15:37:21,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:21,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 580 [2022-12-13 15:37:21,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:22,198 INFO L130 PetriNetUnfolder]: 850/1244 cut-off events. [2022-12-13 15:37:22,198 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 15:37:22,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2405 conditions, 1244 events. 850/1244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5666 event pairs, 73 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 2398. Up to 402 conditions per place. [2022-12-13 15:37:22,203 INFO L137 encePairwiseOnDemand]: 575/580 looper letters, 57 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2022-12-13 15:37:22,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 79 transitions, 311 flow [2022-12-13 15:37:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:37:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:37:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1536 transitions. [2022-12-13 15:37:22,206 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4413793103448276 [2022-12-13 15:37:22,206 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1536 transitions. [2022-12-13 15:37:22,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1536 transitions. [2022-12-13 15:37:22,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:22,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1536 transitions. [2022-12-13 15:37:22,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 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 15:37:22,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:22,213 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:22,213 INFO L175 Difference]: Start difference. First operand has 55 places, 48 transitions, 127 flow. Second operand 6 states and 1536 transitions. [2022-12-13 15:37:22,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 79 transitions, 311 flow [2022-12-13 15:37:22,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 79 transitions, 301 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-12-13 15:37:22,214 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 123 flow [2022-12-13 15:37:22,214 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2022-12-13 15:37:22,215 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -33 predicate places. [2022-12-13 15:37:22,215 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 123 flow [2022-12-13 15:37:22,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 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 15:37:22,216 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:22,216 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:22,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:37:22,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash 818650817, now seen corresponding path program 1 times [2022-12-13 15:37:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:22,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069647988] [2022-12-13 15:37:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:37:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069647988] [2022-12-13 15:37:22,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069647988] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:37:22,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558411326] [2022-12-13 15:37:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:22,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:37:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:37:22,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:37:22,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:37:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:22,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:37:22,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:37:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:37:22,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:37:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:37:22,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558411326] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 15:37:22,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:37:22,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2022-12-13 15:37:22,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279323430] [2022-12-13 15:37:22,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:22,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:37:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:22,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:37:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:37:22,617 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 580 [2022-12-13 15:37:22,618 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 123 flow. Second operand has 5 states, 5 states have (on average 248.0) internal successors, (1240), 5 states have internal predecessors, (1240), 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 15:37:22,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:22,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 580 [2022-12-13 15:37:22,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:22,826 INFO L130 PetriNetUnfolder]: 377/771 cut-off events. [2022-12-13 15:37:22,827 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 15:37:22,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 771 events. 377/771 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3978 event pairs, 134 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 1460. Up to 322 conditions per place. [2022-12-13 15:37:22,829 INFO L137 encePairwiseOnDemand]: 574/580 looper letters, 32 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2022-12-13 15:37:22,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 223 flow [2022-12-13 15:37:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:37:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:37:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1262 transitions. [2022-12-13 15:37:22,833 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43517241379310345 [2022-12-13 15:37:22,833 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1262 transitions. [2022-12-13 15:37:22,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1262 transitions. [2022-12-13 15:37:22,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:22,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1262 transitions. [2022-12-13 15:37:22,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 252.4) internal successors, (1262), 5 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:37:22,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 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 15:37:22,839 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 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 15:37:22,839 INFO L175 Difference]: Start difference. First operand has 54 places, 47 transitions, 123 flow. Second operand 5 states and 1262 transitions. [2022-12-13 15:37:22,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 223 flow [2022-12-13 15:37:22,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 58 transitions, 214 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:37:22,841 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 139 flow [2022-12-13 15:37:22,841 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=139, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2022-12-13 15:37:22,842 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -31 predicate places. [2022-12-13 15:37:22,842 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 139 flow [2022-12-13 15:37:22,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 248.0) internal successors, (1240), 5 states have internal predecessors, (1240), 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 15:37:22,843 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:22,843 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:22,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:37:23,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 15:37:23,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:23,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2047653691, now seen corresponding path program 1 times [2022-12-13 15:37:23,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:23,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502016871] [2022-12-13 15:37:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 15:37:23,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:23,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502016871] [2022-12-13 15:37:23,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502016871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:23,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:23,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:37:23,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120986002] [2022-12-13 15:37:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:23,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:37:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:23,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:37:23,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:37:23,683 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 580 [2022-12-13 15:37:23,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 139 flow. Second operand has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 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 15:37:23,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:23,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 580 [2022-12-13 15:37:23,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:24,188 INFO L130 PetriNetUnfolder]: 397/780 cut-off events. [2022-12-13 15:37:24,188 INFO L131 PetriNetUnfolder]: For 211/257 co-relation queries the response was YES. [2022-12-13 15:37:24,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 780 events. 397/780 cut-off events. For 211/257 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4060 event pairs, 163 based on Foata normal form. 46/768 useless extension candidates. Maximal degree in co-relation 1563. Up to 403 conditions per place. [2022-12-13 15:37:24,193 INFO L137 encePairwiseOnDemand]: 575/580 looper letters, 46 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2022-12-13 15:37:24,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 277 flow [2022-12-13 15:37:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:37:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:37:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1524 transitions. [2022-12-13 15:37:24,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4379310344827586 [2022-12-13 15:37:24,198 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1524 transitions. [2022-12-13 15:37:24,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1524 transitions. [2022-12-13 15:37:24,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:24,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1524 transitions. [2022-12-13 15:37:24,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 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 15:37:24,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:24,209 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:24,209 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 139 flow. Second operand 6 states and 1524 transitions. [2022-12-13 15:37:24,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 277 flow [2022-12-13 15:37:24,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 271 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 15:37:24,211 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 139 flow [2022-12-13 15:37:24,211 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=139, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2022-12-13 15:37:24,212 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -29 predicate places. [2022-12-13 15:37:24,212 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 139 flow [2022-12-13 15:37:24,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 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 15:37:24,213 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:37:24,213 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:24,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:37:24,213 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 15:37:24,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:37:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1692046153, now seen corresponding path program 1 times [2022-12-13 15:37:24,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:37:24,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901588494] [2022-12-13 15:37:24,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:37:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:37:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:37:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 15:37:24,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:37:24,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901588494] [2022-12-13 15:37:24,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901588494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:37:24,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:37:24,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:37:24,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297074456] [2022-12-13 15:37:24,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:37:24,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:37:24,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:37:24,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:37:24,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:37:24,735 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 580 [2022-12-13 15:37:24,737 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 139 flow. Second operand has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 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 15:37:24,737 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:37:24,737 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 580 [2022-12-13 15:37:24,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:37:25,051 INFO L130 PetriNetUnfolder]: 325/705 cut-off events. [2022-12-13 15:37:25,051 INFO L131 PetriNetUnfolder]: For 166/212 co-relation queries the response was YES. [2022-12-13 15:37:25,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 705 events. 325/705 cut-off events. For 166/212 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3738 event pairs, 177 based on Foata normal form. 46/696 useless extension candidates. Maximal degree in co-relation 1400. Up to 439 conditions per place. [2022-12-13 15:37:25,053 INFO L137 encePairwiseOnDemand]: 575/580 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2022-12-13 15:37:25,053 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 245 flow [2022-12-13 15:37:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:37:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:37:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1516 transitions. [2022-12-13 15:37:25,056 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.435632183908046 [2022-12-13 15:37:25,056 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1516 transitions. [2022-12-13 15:37:25,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1516 transitions. [2022-12-13 15:37:25,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:37:25,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1516 transitions. [2022-12-13 15:37:25,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.66666666666666) internal successors, (1516), 6 states have internal predecessors, (1516), 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 15:37:25,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:25,065 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 580.0) internal successors, (4060), 7 states have internal predecessors, (4060), 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 15:37:25,065 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 139 flow. Second operand 6 states and 1516 transitions. [2022-12-13 15:37:25,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 245 flow [2022-12-13 15:37:25,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:37:25,067 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2022-12-13 15:37:25,067 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2022-12-13 15:37:25,067 INFO L288 CegarLoopForPetriNet]: 87 programPoint places, -29 predicate places. [2022-12-13 15:37:25,068 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2022-12-13 15:37:25,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 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 15:37:25,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-12-13 15:37:25,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-12-13 15:37:25,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-12-13 15:37:25,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-12-13 15:37:25,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-12-13 15:37:25,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-12-13 15:37:25,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-12-13 15:37:25,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-12-13 15:37:25,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-12-13 15:37:25,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-12-13 15:37:25,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-12-13 15:37:25,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-12-13 15:37:25,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-12-13 15:37:25,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-12-13 15:37:25,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-12-13 15:37:25,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-12-13 15:37:25,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-12-13 15:37:25,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-12-13 15:37:25,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-12-13 15:37:25,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-12-13 15:37:25,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-12-13 15:37:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:37:25,081 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:37:25,085 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:37:25,086 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:37:25,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:37:25 BasicIcfg [2022-12-13 15:37:25,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:37:25,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:37:25,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:37:25,089 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:37:25,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:37:00" (3/4) ... [2022-12-13 15:37:25,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:37:25,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 15:37:25,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 15:37:25,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 15:37:25,100 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-13 15:37:25,100 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:37:25,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:37:25,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:37:25,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:37:25,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:37:25,149 INFO L158 Benchmark]: Toolchain (without parser) took 25440.88ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 103.1MB in the beginning and 127.9MB in the end (delta: -24.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,149 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:37:25,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.41ms. Allocated memory is still 136.3MB. Free memory was 102.7MB in the beginning and 102.1MB in the end (delta: 544.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.33ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 98.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,150 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 95.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,151 INFO L158 Benchmark]: RCFGBuilder took 883.47ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 95.0MB in the beginning and 114.1MB in the end (delta: -19.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,151 INFO L158 Benchmark]: TraceAbstraction took 24204.13ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.7MB in the beginning and 134.2MB in the end (delta: -20.5MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,151 INFO L158 Benchmark]: Witness Printer took 60.01ms. Allocated memory is still 197.1MB. Free memory was 134.2MB in the beginning and 127.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 15:37:25,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.41ms. Allocated memory is still 136.3MB. Free memory was 102.7MB in the beginning and 102.1MB in the end (delta: 544.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.33ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 98.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 95.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 883.47ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 95.0MB in the beginning and 114.1MB in the end (delta: -19.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24204.13ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.7MB in the beginning and 134.2MB in the end (delta: -20.5MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Witness Printer took 60.01ms. Allocated memory is still 197.1MB. Free memory was 134.2MB in the beginning and 127.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.7s, 273 PlacesBefore, 87 PlacesAfterwards, 279 TransitionsBefore, 85 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 8 FixpointIterations, 181 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 28 TrivialYvCompositions, 11 ConcurrentYvCompositions, 8 ChoiceCompositions, 278 TotalNumberOfCompositions, 35205 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16240, independent: 15449, independent conditional: 0, independent unconditional: 15449, dependent: 791, dependent conditional: 0, dependent unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2847, independent: 2723, independent conditional: 0, independent unconditional: 2723, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16240, independent: 12726, independent conditional: 0, independent unconditional: 12726, dependent: 667, dependent conditional: 0, dependent unconditional: 667, unknown: 2847, unknown conditional: 0, unknown unconditional: 2847] , Statistics on independence cache: Total cache size (in pairs): 727, Positive cache size: 666, Positive conditional cache size: 0, Positive unconditional cache size: 666, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: 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: 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: 58]: 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: 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: 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: 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: 70]: 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: 70]: 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: 70]: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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 7 procedures, 346 locations, 63 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: 24.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 18.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 842 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 470 mSDsluCounter, 298 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1384 IncrementalHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 123 mSDtfsCounter, 1384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 4 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 14/16 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:37:25,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86491-44cb-41ca-8c32-690549c6e456/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE