./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9 --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 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --- 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-6b4ec56 [2022-11-20 21:15:10,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:15:10,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:15:10,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:15:10,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:15:10,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:15:10,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:15:10,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:15:10,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:15:10,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:15:10,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:15:10,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:15:10,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:15:10,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:15:10,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:15:10,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:15:10,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:15:10,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:15:10,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:15:10,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:15:10,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:15:10,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:15:10,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:15:10,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:15:10,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:15:10,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:15:10,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:15:10,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:15:10,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:15:10,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:15:10,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:15:10,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:15:10,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:15:10,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:15:10,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:15:10,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:15:10,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:15:10,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:15:10,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:15:10,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:15:10,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:15:10,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:15:11,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:15:11,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:15:11,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:15:11,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:15:11,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:15:11,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:15:11,019 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:15:11,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:15:11,019 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:15:11,020 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:15:11,021 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:15:11,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:15:11,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:15:11,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:15:11,022 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:15:11,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:15:11,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:15:11,022 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:15:11,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:15:11,023 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:15:11,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:15:11,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:15:11,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:15:11,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:15:11,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:15:11,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:15:11,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:15:11,026 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:15:11,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:15:11,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:15:11,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:15:11,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:15:11,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:15:11,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:15:11,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:15:11,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:15:11,028 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:15:11,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:15:11,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:15:11,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:15:11,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:15:11,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:15:11,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:15:11,029 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_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 [2022-11-20 21:15:11,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:15:11,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:15:11,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:15:11,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:15:11,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:15:11,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-11-20 21:15:14,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:15:14,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:15:14,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-11-20 21:15:14,848 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/data/e00beca54/e4b6c3e7215e4cdfa40995944074239a/FLAG1f4e34255 [2022-11-20 21:15:14,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/data/e00beca54/e4b6c3e7215e4cdfa40995944074239a [2022-11-20 21:15:14,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:15:14,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:15:14,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:15:14,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:15:14,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:15:14,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:15:14" (1/1) ... [2022-11-20 21:15:14,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1f8909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:14, skipping insertion in model container [2022-11-20 21:15:14,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:15:14" (1/1) ... [2022-11-20 21:15:14,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:15:14,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:15:15,101 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_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-11-20 21:15:15,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:15:15,114 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:15:15,139 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_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-11-20 21:15:15,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:15:15,155 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:15:15,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15 WrapperNode [2022-11-20 21:15:15,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:15:15,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:15:15,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:15:15,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:15:15,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,217 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 240 [2022-11-20 21:15:15,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:15:15,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:15:15,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:15:15,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:15:15,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:15:15,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:15:15,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:15:15,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:15:15,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (1/1) ... [2022-11-20 21:15:15,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:15:15,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:15:15,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:15:15,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:15:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:15:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 21:15:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 21:15:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 21:15:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 21:15:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:15:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:15:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:15:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:15:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:15:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:15:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:15:15,338 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:15:15,484 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:15:15,487 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:15:16,006 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:15:16,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:15:16,018 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:15:16,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:15:16 BoogieIcfgContainer [2022-11-20 21:15:16,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:15:16,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:15:16,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:15:16,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:15:16,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:15:14" (1/3) ... [2022-11-20 21:15:16,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3720106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:15:16, skipping insertion in model container [2022-11-20 21:15:16,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:15:15" (2/3) ... [2022-11-20 21:15:16,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3720106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:15:16, skipping insertion in model container [2022-11-20 21:15:16,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:15:16" (3/3) ... [2022-11-20 21:15:16,030 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2022-11-20 21:15:16,041 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:15:16,052 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:15:16,053 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-20 21:15:16,053 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:15:16,335 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 21:15:16,375 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:15:16,391 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 322 transitions, 660 flow [2022-11-20 21:15:16,394 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 322 transitions, 660 flow [2022-11-20 21:15:16,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 322 transitions, 660 flow [2022-11-20 21:15:16,575 INFO L130 PetriNetUnfolder]: 18/320 cut-off events. [2022-11-20 21:15:16,575 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 21:15:16,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 18/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 653 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2022-11-20 21:15:16,607 INFO L119 LiptonReduction]: Number of co-enabled transitions 17696 [2022-11-20 21:15:27,351 INFO L134 LiptonReduction]: Checked pairs total: 36127 [2022-11-20 21:15:27,351 INFO L136 LiptonReduction]: Total number of compositions: 440 [2022-11-20 21:15:27,361 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 72 transitions, 160 flow [2022-11-20 21:15:27,485 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1315 states, 1094 states have (on average 3.5219378427787933) internal successors, (3853), 1314 states have internal predecessors, (3853), 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) [2022-11-20 21:15:27,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:15:27,527 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;@b9c1e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:15:27,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-11-20 21:15:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 1315 states, 1094 states have (on average 3.5219378427787933) internal successors, (3853), 1314 states have internal predecessors, (3853), 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) [2022-11-20 21:15:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-20 21:15:27,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:27,539 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-20 21:15:27,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-20 21:15:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:27,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1315, now seen corresponding path program 1 times [2022-11-20 21:15:27,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:15:27,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614941080] [2022-11-20 21:15:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:27,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:15:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:27,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:15:27,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614941080] [2022-11-20 21:15:27,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614941080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:27,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:27,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-20 21:15:27,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201067949] [2022-11-20 21:15:27,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:27,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:15:27,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:15:27,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:15:27,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:15:27,748 INFO L87 Difference]: Start difference. First operand has 1315 states, 1094 states have (on average 3.5219378427787933) internal successors, (3853), 1314 states have internal predecessors, (3853), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-20 21:15:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:27,880 INFO L93 Difference]: Finished difference Result 313 states and 905 transitions. [2022-11-20 21:15:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:15:27,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-20 21:15:27,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:27,896 INFO L225 Difference]: With dead ends: 313 [2022-11-20 21:15:27,896 INFO L226 Difference]: Without dead ends: 288 [2022-11-20 21:15:27,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:15:27,900 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:27,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:15:27,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-20 21:15:27,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-11-20 21:15:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 2.923344947735192) internal successors, (839), 287 states have internal predecessors, (839), 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) [2022-11-20 21:15:27,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 839 transitions. [2022-11-20 21:15:27,958 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 839 transitions. Word has length 1 [2022-11-20 21:15:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:27,959 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 839 transitions. [2022-11-20 21:15:27,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-20 21:15:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 839 transitions. [2022-11-20 21:15:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:15:27,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:27,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:15:27,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:15:27,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-20 21:15:27,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:27,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1366531947, now seen corresponding path program 1 times [2022-11-20 21:15:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:15:27,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992610279] [2022-11-20 21:15:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:15:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:28,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:15:28,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992610279] [2022-11-20 21:15:28,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992610279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:28,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:28,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:15:28,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714030399] [2022-11-20 21:15:28,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:28,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:15:28,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:15:28,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:15:28,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:28,100 INFO L87 Difference]: Start difference. First operand 288 states and 839 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 21:15:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:28,212 INFO L93 Difference]: Finished difference Result 264 states and 774 transitions. [2022-11-20 21:15:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:15:28,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-20 21:15:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:28,214 INFO L225 Difference]: With dead ends: 264 [2022-11-20 21:15:28,214 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:15:28,215 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 [2022-11-20 21:15:28,216 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:28,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:15:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:15:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:15:28,221 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) [2022-11-20 21:15:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:15:28,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-11-20 21:15:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:28,221 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:15:28,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 21:15:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:15:28,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:15:28,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-11-20 21:15:28,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-11-20 21:15:28,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-11-20 21:15:28,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-11-20 21:15:28,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-11-20 21:15:28,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-11-20 21:15:28,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-11-20 21:15:28,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-11-20 21:15:28,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-11-20 21:15:28,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-11-20 21:15:28,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-11-20 21:15:28,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-11-20 21:15:28,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-11-20 21:15:28,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-11-20 21:15:28,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-11-20 21:15:28,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-11-20 21:15:28,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-11-20 21:15:28,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-11-20 21:15:28,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-11-20 21:15:28,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-11-20 21:15:28,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-11-20 21:15:28,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-11-20 21:15:28,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-11-20 21:15:28,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-11-20 21:15:28,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-11-20 21:15:28,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-11-20 21:15:28,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-11-20 21:15:28,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-11-20 21:15:28,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-11-20 21:15:28,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-11-20 21:15:28,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-11-20 21:15:28,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-11-20 21:15:28,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2022-11-20 21:15:28,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2022-11-20 21:15:28,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2022-11-20 21:15:28,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-11-20 21:15:28,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-11-20 21:15:28,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-11-20 21:15:28,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-11-20 21:15:28,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-11-20 21:15:28,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-11-20 21:15:28,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-11-20 21:15:28,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-11-20 21:15:28,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-11-20 21:15:28,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-11-20 21:15:28,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-11-20 21:15:28,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-11-20 21:15:28,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-11-20 21:15:28,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-11-20 21:15:28,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-11-20 21:15:28,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-11-20 21:15:28,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-11-20 21:15:28,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:15:28,262 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 21:15:28,272 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 21:15:28,272 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:15:28,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:15:28 BasicIcfg [2022-11-20 21:15:28,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:15:28,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:15:28,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:15:28,281 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:15:28,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:15:16" (3/4) ... [2022-11-20 21:15:28,286 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:15:28,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 21:15:28,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 21:15:28,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 21:15:28,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 21:15:28,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 21:15:28,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:15:28,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:15:28,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:15:28,345 INFO L158 Benchmark]: Toolchain (without parser) took 13478.52ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 143.1MB in the beginning and 153.2MB in the end (delta: -10.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-11-20 21:15:28,345 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:15:28,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.58ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 131.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 21:15:28,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 186.6MB. Free memory was 131.1MB in the beginning and 128.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:15:28,346 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:15:28,347 INFO L158 Benchmark]: RCFGBuilder took 769.99ms. Allocated memory is still 186.6MB. Free memory was 126.9MB in the beginning and 103.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 21:15:28,347 INFO L158 Benchmark]: TraceAbstraction took 12256.78ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 103.3MB in the beginning and 157.4MB in the end (delta: -54.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:15:28,347 INFO L158 Benchmark]: Witness Printer took 63.76ms. Allocated memory is still 224.4MB. Free memory was 157.4MB in the beginning and 153.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:15:28,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.58ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 131.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 186.6MB. Free memory was 131.1MB in the beginning and 128.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 769.99ms. Allocated memory is still 186.6MB. Free memory was 126.9MB in the beginning and 103.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12256.78ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 103.3MB in the beginning and 157.4MB in the end (delta: -54.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.76ms. Allocated memory is still 224.4MB. Free memory was 157.4MB in the beginning and 153.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.0s, 311 PlacesBefore, 70 PlacesAfterwards, 322 TransitionsBefore, 72 TransitionsAfterwards, 17696 CoEnabledTransitionPairs, 11 FixpointIterations, 166 TrivialSequentialCompositions, 195 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 45 ConcurrentYvCompositions, 9 ChoiceCompositions, 440 TotalNumberOfCompositions, 36127 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23541, independent: 23017, independent conditional: 0, independent unconditional: 23017, dependent: 524, dependent conditional: 0, dependent unconditional: 524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14142, independent: 14087, independent conditional: 0, independent unconditional: 14087, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14142, independent: 13782, independent conditional: 0, independent unconditional: 13782, dependent: 360, dependent conditional: 0, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 360, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 397, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23541, independent: 8930, independent conditional: 0, independent unconditional: 8930, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 14142, unknown conditional: 0, unknown unconditional: 14142] , Statistics on independence cache: Total cache size (in pairs): 576, Positive cache size: 548, Positive conditional cache size: 0, Positive unconditional cache size: 548, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 455 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 21:15:28,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced84559-b60b-4311-a9e0-0ce5ff55f8a5/bin/utaipan-6cKwYrpEi9/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