./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/lazy01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- 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-5e519f3 [2022-11-03 03:57:34,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:57:34,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:57:34,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:57:34,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:57:34,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:57:34,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:57:34,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:57:34,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:57:34,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:57:34,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:57:34,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:57:34,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:57:34,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:57:34,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:57:34,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:57:34,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:57:34,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:57:34,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:57:34,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:57:34,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:57:34,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:57:34,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:57:34,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:57:34,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:57:34,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:57:34,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:57:34,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:57:34,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:57:34,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:57:34,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:57:34,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:57:34,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:57:34,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:57:34,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:57:34,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:57:34,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:57:34,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:57:34,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:57:34,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:57:34,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:57:34,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:57:34,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:57:34,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:57:34,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:57:34,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:57:34,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:57:34,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:57:34,856 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:57:34,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:57:34,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:57:34,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:57:34,857 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:57:34,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:57:34,857 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:57:34,858 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:57:34,858 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:57:34,858 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:57:34,858 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:57:34,859 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:57:34,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:57:34,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:57:34,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:57:34,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:57:34,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:57:34,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:57:34,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:57:34,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:57:34,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:57:34,874 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:57:34,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:57:34,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:57:34,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:57:34,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:57:34,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:57:34,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:57:34,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:57:34,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:57:34,876 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:57:34,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:57:34,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:57:34,877 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:57:34,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:57:34,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:57:34,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:57:34,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2022-11-03 03:57:35,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:57:35,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:57:35,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:57:35,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:57:35,190 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:57:35,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread/lazy01.i [2022-11-03 03:57:35,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/data/503db9a5c/6a3b49b20713480bbcf2783b998b92a8/FLAGbbfbc1f52 [2022-11-03 03:57:35,849 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:57:35,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/sv-benchmarks/c/pthread/lazy01.i [2022-11-03 03:57:35,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/data/503db9a5c/6a3b49b20713480bbcf2783b998b92a8/FLAGbbfbc1f52 [2022-11-03 03:57:36,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/data/503db9a5c/6a3b49b20713480bbcf2783b998b92a8 [2022-11-03 03:57:36,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:57:36,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:57:36,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:57:36,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:57:36,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:57:36,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d488639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36, skipping insertion in model container [2022-11-03 03:57:36,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:57:36,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:57:36,579 WARN L230 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_94d87baa-f39a-4f5e-8a00-28e4d571d50a/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2022-11-03 03:57:36,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:57:36,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:57:36,664 WARN L230 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_94d87baa-f39a-4f5e-8a00-28e4d571d50a/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2022-11-03 03:57:36,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:57:36,736 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:57:36,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36 WrapperNode [2022-11-03 03:57:36,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:57:36,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:57:36,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:57:36,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:57:36,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,796 INFO L138 Inliner]: procedures = 169, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-11-03 03:57:36,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:57:36,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:57:36,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:57:36,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:57:36,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:57:36,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:57:36,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:57:36,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:57:36,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (1/1) ... [2022-11-03 03:57:36,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:57:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:57:36,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:57:36,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:57:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:57:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 03:57:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 03:57:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 03:57:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 03:57:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 03:57:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 03:57:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:57:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:57:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:57:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:57:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:57:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:57:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:57:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:57:36,911 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:57:37,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:57:37,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:57:37,429 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:57:37,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:57:37,438 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:57:37,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:37 BoogieIcfgContainer [2022-11-03 03:57:37,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:57:37,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:57:37,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:57:37,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:57:37,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:57:36" (1/3) ... [2022-11-03 03:57:37,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510cb98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:37, skipping insertion in model container [2022-11-03 03:57:37,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:36" (2/3) ... [2022-11-03 03:57:37,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510cb98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:37, skipping insertion in model container [2022-11-03 03:57:37,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:37" (3/3) ... [2022-11-03 03:57:37,462 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2022-11-03 03:57:37,472 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:57:37,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:57:37,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-03 03:57:37,482 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:57:37,558 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-03 03:57:37,614 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:57:37,649 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 127 transitions, 278 flow [2022-11-03 03:57:37,653 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 127 transitions, 278 flow [2022-11-03 03:57:37,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 127 transitions, 278 flow [2022-11-03 03:57:37,731 INFO L130 PetriNetUnfolder]: 1/124 cut-off events. [2022-11-03 03:57:37,733 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-03 03:57:37,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 1/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 153 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2022-11-03 03:57:37,749 INFO L118 LiptonReduction]: Number of co-enabled transitions 3478 [2022-11-03 03:57:41,991 INFO L133 LiptonReduction]: Checked pairs total: 13384 [2022-11-03 03:57:41,992 INFO L135 LiptonReduction]: Total number of compositions: 92 [2022-11-03 03:57:42,001 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 45 transitions, 114 flow [2022-11-03 03:57:42,147 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:42,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:57:42,168 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=FINITE_AUTOMATA, 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;@1cbcbf10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:57:42,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-03 03:57:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 03:57:42,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:42,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 03:57:42,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:57:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:42,192 INFO L85 PathProgramCache]: Analyzing trace with hash 406544148, now seen corresponding path program 1 times [2022-11-03 03:57:42,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:42,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272159483] [2022-11-03 03:57:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:42,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:57:42,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:42,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272159483] [2022-11-03 03:57:42,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272159483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:42,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:42,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:57:42,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287470442] [2022-11-03 03:57:42,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:42,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:42,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:42,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:42,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:42,572 INFO L87 Difference]: Start difference. First operand has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:42,792 INFO L93 Difference]: Finished difference Result 2552 states and 7534 transitions. [2022-11-03 03:57:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:42,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2022-11-03 03:57:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:42,843 INFO L225 Difference]: With dead ends: 2552 [2022-11-03 03:57:42,843 INFO L226 Difference]: Without dead ends: 2424 [2022-11-03 03:57:42,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:42,850 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 26 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:42,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 11 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:57:42,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2022-11-03 03:57:43,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 1874. [2022-11-03 03:57:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1859 states have (on average 3.037116729424422) internal successors, (5646), 1873 states have internal predecessors, (5646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 5646 transitions. [2022-11-03 03:57:43,028 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 5646 transitions. Word has length 5 [2022-11-03 03:57:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:43,029 INFO L495 AbstractCegarLoop]: Abstraction has 1874 states and 5646 transitions. [2022-11-03 03:57:43,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 5646 transitions. [2022-11-03 03:57:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 03:57:43,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:43,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:57:43,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:57:43,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:57:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:43,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1088991500, now seen corresponding path program 1 times [2022-11-03 03:57:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:43,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447393125] [2022-11-03 03:57:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:57:43,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:43,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447393125] [2022-11-03 03:57:43,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447393125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:43,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:43,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:57:43,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811069933] [2022-11-03 03:57:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:43,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:43,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,117 INFO L87 Difference]: Start difference. First operand 1874 states and 5646 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:43,288 INFO L93 Difference]: Finished difference Result 1942 states and 5807 transitions. [2022-11-03 03:57:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:43,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2022-11-03 03:57:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:43,306 INFO L225 Difference]: With dead ends: 1942 [2022-11-03 03:57:43,306 INFO L226 Difference]: Without dead ends: 1858 [2022-11-03 03:57:43,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,309 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:43,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 15 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:57:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-11-03 03:57:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1858. [2022-11-03 03:57:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1844 states have (on average 2.9766811279826464) internal successors, (5489), 1857 states have internal predecessors, (5489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 5489 transitions. [2022-11-03 03:57:43,401 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 5489 transitions. Word has length 9 [2022-11-03 03:57:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:43,401 INFO L495 AbstractCegarLoop]: Abstraction has 1858 states and 5489 transitions. [2022-11-03 03:57:43,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 5489 transitions. [2022-11-03 03:57:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:57:43,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:43,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:57:43,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:57:43,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:57:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2135863411, now seen corresponding path program 1 times [2022-11-03 03:57:43,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:43,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752947000] [2022-11-03 03:57:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:57:43,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:43,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752947000] [2022-11-03 03:57:43,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752947000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:43,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:43,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:57:43,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011774196] [2022-11-03 03:57:43,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:43,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:43,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:43,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:43,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,468 INFO L87 Difference]: Start difference. First operand 1858 states and 5489 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:43,570 INFO L93 Difference]: Finished difference Result 1916 states and 5554 transitions. [2022-11-03 03:57:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:43,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2022-11-03 03:57:43,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:43,584 INFO L225 Difference]: With dead ends: 1916 [2022-11-03 03:57:43,584 INFO L226 Difference]: Without dead ends: 1808 [2022-11-03 03:57:43,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,590 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 18 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:43,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 15 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:57:43,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-11-03 03:57:43,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1808. [2022-11-03 03:57:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1796 states have (on average 2.8585746102449887) internal successors, (5134), 1807 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 5134 transitions. [2022-11-03 03:57:43,659 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 5134 transitions. Word has length 10 [2022-11-03 03:57:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:43,661 INFO L495 AbstractCegarLoop]: Abstraction has 1808 states and 5134 transitions. [2022-11-03 03:57:43,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 5134 transitions. [2022-11-03 03:57:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 03:57:43,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:57:43,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:57:43,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:57:43,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:57:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:57:43,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1035395183, now seen corresponding path program 1 times [2022-11-03 03:57:43,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:57:43,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387585158] [2022-11-03 03:57:43,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:57:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:57:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:57:43,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:57:43,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387585158] [2022-11-03 03:57:43,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387585158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:57:43,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:57:43,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:57:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966147458] [2022-11-03 03:57:43,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:57:43,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:57:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:57:43,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:57:43,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,808 INFO L87 Difference]: Start difference. First operand 1808 states and 5134 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:43,868 INFO L93 Difference]: Finished difference Result 184 states and 311 transitions. [2022-11-03 03:57:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:57:43,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2022-11-03 03:57:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:43,869 INFO L225 Difference]: With dead ends: 184 [2022-11-03 03:57:43,869 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:57:43,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:57:43,870 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:43,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 7 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:57:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:57:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:57:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:57:43,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-11-03 03:57:43,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:43,873 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:57:43,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:57:43,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:57:43,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-11-03 03:57:43,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-11-03 03:57:43,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-11-03 03:57:43,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-11-03 03:57:43,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-11-03 03:57:43,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-11-03 03:57:43,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-11-03 03:57:43,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2022-11-03 03:57:43,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2022-11-03 03:57:43,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2022-11-03 03:57:43,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 16 remaining) [2022-11-03 03:57:43,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-11-03 03:57:43,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-11-03 03:57:43,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-11-03 03:57:43,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-11-03 03:57:43,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-11-03 03:57:43,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:57:43,883 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 03:57:43,889 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 03:57:43,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:57:43,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:57:43 BasicIcfg [2022-11-03 03:57:43,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:57:43,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:57:43,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:57:43,893 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:57:43,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:37" (3/4) ... [2022-11-03 03:57:43,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:57:43,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-03 03:57:43,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-03 03:57:43,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-03 03:57:43,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-03 03:57:43,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 03:57:43,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:57:43,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:57:43,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:57:43,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:57:43,948 INFO L158 Benchmark]: Toolchain (without parser) took 7831.89ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 62.5MB in the beginning and 106.1MB in the end (delta: -43.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,949 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:57:43,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.01ms. Allocated memory is still 107.0MB. Free memory was 62.2MB in the beginning and 71.6MB in the end (delta: -9.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.42ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,950 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,950 INFO L158 Benchmark]: RCFGBuilder took 612.56ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 51.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,950 INFO L158 Benchmark]: TraceAbstraction took 6447.13ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 50.7MB in the beginning and 109.3MB in the end (delta: -58.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,951 INFO L158 Benchmark]: Witness Printer took 54.86ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:57:43,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.01ms. Allocated memory is still 107.0MB. Free memory was 62.2MB in the beginning and 71.6MB in the end (delta: -9.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.42ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.56ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 51.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6447.13ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 50.7MB in the beginning and 109.3MB in the end (delta: -58.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 54.86ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 136 PlacesBefore, 54 PlacesAfterwards, 127 TransitionsBefore, 45 TransitionsAfterwards, 3478 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 92 TotalNumberOfCompositions, 13384 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5816, positive: 5457, positive conditional: 0, positive unconditional: 5457, negative: 359, negative conditional: 0, negative unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2328, positive: 2265, positive conditional: 0, positive unconditional: 2265, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2328, positive: 2217, positive conditional: 0, positive unconditional: 2217, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5816, positive: 3192, positive conditional: 0, positive unconditional: 3192, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 2328, unknown conditional: 0, unknown unconditional: 2328] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 425, Positive conditional cache size: 0, Positive unconditional cache size: 425, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: 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, 177 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 42 mSDtfsCounter, 273 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2782occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 550 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 03:57:44,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d87baa-f39a-4f5e-8a00-28e4d571d50a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE