./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/05_tas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/05_tas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba --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 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 --- 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-b5237d8 [2022-11-22 01:49:14,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:49:14,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:49:14,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:49:14,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:49:14,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:49:14,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:49:14,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:49:14,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:49:14,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:49:14,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:49:14,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:49:14,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:49:14,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:49:14,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:49:14,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:49:14,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:49:14,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:49:14,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:49:14,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:49:14,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:49:14,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:49:14,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:49:14,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:49:14,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:49:14,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:49:14,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:49:14,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:49:14,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:49:14,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:49:14,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:49:14,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:49:14,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:49:14,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:49:14,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:49:14,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:49:14,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:49:14,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:49:14,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:49:14,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:49:14,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:49:14,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:49:14,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:49:14,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:49:14,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:49:14,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:49:14,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:49:14,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:49:14,951 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:49:14,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:49:14,952 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:49:14,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:49:14,953 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:49:14,953 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:49:14,954 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:49:14,954 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:49:14,954 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:49:14,954 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:49:14,955 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:49:14,955 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:49:14,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:49:14,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:49:14,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:49:14,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:49:14,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:49:14,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:49:14,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:49:14,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:49:14,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:49:14,958 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:49:14,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:49:14,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:49:14,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:49:14,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:49:14,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:49:14,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:49:14,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:49:14,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:49:14,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:49:14,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:49:14,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:49:14,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:49:14,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:49:14,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:49:14,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:49:14,962 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_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 [2022-11-22 01:49:15,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:49:15,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:49:15,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:49:15,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:49:15,305 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:49:15,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-ext/05_tas.i [2022-11-22 01:49:18,753 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:49:19,161 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:49:19,162 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i [2022-11-22 01:49:19,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/data/69eb124ae/55d8b366fb1543ada6903785b105b583/FLAG76bfdfeb3 [2022-11-22 01:49:19,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/data/69eb124ae/55d8b366fb1543ada6903785b105b583 [2022-11-22 01:49:19,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:49:19,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:49:19,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:49:19,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:49:19,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:49:19,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f6d0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19, skipping insertion in model container [2022-11-22 01:49:19,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:49:19,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:49:19,646 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2022-11-22 01:49:19,649 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2022-11-22 01:49:19,654 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2022-11-22 01:49:19,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:49:19,669 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:49:19,753 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2022-11-22 01:49:19,763 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2022-11-22 01:49:19,771 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_df3ae271-df17-48b3-a958-e8f139db5c79/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2022-11-22 01:49:19,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:49:19,828 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:49:19,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19 WrapperNode [2022-11-22 01:49:19,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:49:19,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:49:19,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:49:19,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:49:19,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,924 INFO L138 Inliner]: procedures = 169, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 172 [2022-11-22 01:49:19,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:49:19,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:49:19,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:49:19,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:49:19,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:49:19,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:49:19,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:49:19,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:49:19,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (1/1) ... [2022-11-22 01:49:19,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:49:20,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:49:20,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:49:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df3ae271-df17-48b3-a958-e8f139db5c79/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:49:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:49:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-22 01:49:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-22 01:49:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:49:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:49:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:49:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:49:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:49:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:49:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:49:20,078 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:49:20,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:49:20,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:49:20,829 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:49:21,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:49:21,093 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 01:49:21,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:49:21 BoogieIcfgContainer [2022-11-22 01:49:21,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:49:21,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:49:21,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:49:21,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:49:21,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:49:19" (1/3) ... [2022-11-22 01:49:21,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad9d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:49:21, skipping insertion in model container [2022-11-22 01:49:21,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:49:19" (2/3) ... [2022-11-22 01:49:21,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad9d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:49:21, skipping insertion in model container [2022-11-22 01:49:21,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:49:21" (3/3) ... [2022-11-22 01:49:21,117 INFO L112 eAbstractionObserver]: Analyzing ICFG 05_tas.i [2022-11-22 01:49:21,129 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:49:21,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:49:21,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-22 01:49:21,142 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:49:21,288 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:49:21,351 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:49:21,390 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 145 transitions, 295 flow [2022-11-22 01:49:21,405 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 145 transitions, 295 flow [2022-11-22 01:49:21,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 145 transitions, 295 flow [2022-11-22 01:49:21,518 INFO L130 PetriNetUnfolder]: 10/156 cut-off events. [2022-11-22 01:49:21,518 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 01:49:21,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 10/156 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 167 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 126. Up to 4 conditions per place. [2022-11-22 01:49:21,530 INFO L119 LiptonReduction]: Number of co-enabled transitions 3164 [2022-11-22 01:49:44,975 INFO L134 LiptonReduction]: Checked pairs total: 3664 [2022-11-22 01:49:44,975 INFO L136 LiptonReduction]: Total number of compositions: 178 [2022-11-22 01:49:44,986 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 34 transitions, 73 flow [2022-11-22 01:49:45,010 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 127 states, 94 states have (on average 2.5638297872340425) internal successors, (241), 126 states have internal predecessors, (241), 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) [2022-11-22 01:49:45,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:49:45,039 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;@7074e588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:49:45,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-22 01:49:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 94 states have (on average 2.5638297872340425) internal successors, (241), 126 states have internal predecessors, (241), 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) [2022-11-22 01:49:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:49:45,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:49:45,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:49:45,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-11-22 01:49:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:49:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash 729076692, now seen corresponding path program 1 times [2022-11-22 01:49:45,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:49:45,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589213543] [2022-11-22 01:49:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:49:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:49:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:49:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:49:45,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:49:45,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589213543] [2022-11-22 01:49:45,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589213543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:49:45,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:49:45,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:49:45,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834267824] [2022-11-22 01:49:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:49:45,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:49:45,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:49:45,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:49:45,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:49:45,294 INFO L87 Difference]: Start difference. First operand has 127 states, 94 states have (on average 2.5638297872340425) internal successors, (241), 126 states have internal predecessors, (241), 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 5.0) internal successors, (5), 2 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) [2022-11-22 01:49:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:49:45,466 INFO L93 Difference]: Finished difference Result 43 states and 77 transitions. [2022-11-22 01:49:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:49:45,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 [2022-11-22 01:49:45,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:49:45,479 INFO L225 Difference]: With dead ends: 43 [2022-11-22 01:49:45,480 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:49:45,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:49:45,487 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:49:45,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:49:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:49:45,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-22 01:49:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.8780487804878048) internal successors, (77), 42 states have internal predecessors, (77), 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) [2022-11-22 01:49:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 77 transitions. [2022-11-22 01:49:45,540 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 77 transitions. Word has length 5 [2022-11-22 01:49:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:49:45,541 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 77 transitions. [2022-11-22 01:49:45,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) [2022-11-22 01:49:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-11-22 01:49:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:49:45,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:49:45,544 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 01:49:45,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:49:45,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-11-22 01:49:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:49:45,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1126668274, now seen corresponding path program 1 times [2022-11-22 01:49:45,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:49:45,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528264109] [2022-11-22 01:49:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:49:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:49:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:49:45,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:49:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:49:45,619 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:49:45,620 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:49:45,622 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2022-11-22 01:49:45,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-11-22 01:49:45,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-11-22 01:49:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-11-22 01:49:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-11-22 01:49:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-11-22 01:49:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-11-22 01:49:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-11-22 01:49:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-11-22 01:49:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-11-22 01:49:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-11-22 01:49:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-11-22 01:49:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-11-22 01:49:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-11-22 01:49:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-11-22 01:49:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-11-22 01:49:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-11-22 01:49:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-11-22 01:49:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-11-22 01:49:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-11-22 01:49:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-11-22 01:49:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-11-22 01:49:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-11-22 01:49:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-11-22 01:49:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-11-22 01:49:45,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2022-11-22 01:49:45,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-11-22 01:49:45,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-11-22 01:49:45,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-11-22 01:49:45,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-11-22 01:49:45,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-11-22 01:49:45,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-11-22 01:49:45,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-11-22 01:49:45,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:49:45,639 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 01:49:45,642 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-22 01:49:45,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-22 01:49:45,723 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:49:45,728 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:49:45,728 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 259 transitions, 530 flow [2022-11-22 01:49:45,728 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 259 transitions, 530 flow [2022-11-22 01:49:45,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 259 transitions, 530 flow [2022-11-22 01:49:45,815 INFO L130 PetriNetUnfolder]: 19/283 cut-off events. [2022-11-22 01:49:45,816 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:49:45,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 283 events. 19/283 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 629 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 239. Up to 6 conditions per place. [2022-11-22 01:49:45,841 INFO L119 LiptonReduction]: Number of co-enabled transitions 32092 [2022-11-22 01:54:48,975 INFO L134 LiptonReduction]: Checked pairs total: 335899 [2022-11-22 01:54:48,976 INFO L136 LiptonReduction]: Total number of compositions: 241 [2022-11-22 01:54:48,977 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 152 transitions, 316 flow [2022-11-22 01:54:50,056 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27270 states, 26677 states have (on average 3.037298047006785) internal successors, (81026), 27269 states have internal predecessors, (81026), 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) [2022-11-22 01:54:50,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:54:50,062 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;@7074e588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:54:50,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-11-22 01:54:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 27270 states, 26677 states have (on average 3.037298047006785) internal successors, (81026), 27269 states have internal predecessors, (81026), 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) [2022-11-22 01:54:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:54:50,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:50,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:54:50,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-22 01:54:50,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:50,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1275364200, now seen corresponding path program 1 times [2022-11-22 01:54:50,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:50,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077316710] [2022-11-22 01:54:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:50,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:54:50,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:50,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077316710] [2022-11-22 01:54:50,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077316710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:50,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:50,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:54:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873857022] [2022-11-22 01:54:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:50,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:54:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:54:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:54:50,388 INFO L87 Difference]: Start difference. First operand has 27270 states, 26677 states have (on average 3.037298047006785) internal successors, (81026), 27269 states have internal predecessors, (81026), 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 5.0) internal successors, (5), 2 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) [2022-11-22 01:54:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:51,109 INFO L93 Difference]: Finished difference Result 18243 states and 51487 transitions. [2022-11-22 01:54:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:54:51,110 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 [2022-11-22 01:54:51,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:51,350 INFO L225 Difference]: With dead ends: 18243 [2022-11-22 01:54:51,367 INFO L226 Difference]: Without dead ends: 18243 [2022-11-22 01:54:51,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:54:51,368 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:51,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:54:51,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18243 states. [2022-11-22 01:54:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18243 to 18243. [2022-11-22 01:54:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18243 states, 18143 states have (on average 2.837843796505539) internal successors, (51487), 18242 states have internal predecessors, (51487), 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) [2022-11-22 01:54:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18243 states to 18243 states and 51487 transitions. [2022-11-22 01:54:53,012 INFO L78 Accepts]: Start accepts. Automaton has 18243 states and 51487 transitions. Word has length 5 [2022-11-22 01:54:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:53,012 INFO L495 AbstractCegarLoop]: Abstraction has 18243 states and 51487 transitions. [2022-11-22 01:54:53,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) [2022-11-22 01:54:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 18243 states and 51487 transitions. [2022-11-22 01:54:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:54:53,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:53,016 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-22 01:54:53,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:54:53,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-22 01:54:53,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:53,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1661181662, now seen corresponding path program 1 times [2022-11-22 01:54:53,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:53,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318577773] [2022-11-22 01:54:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:53,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:54:53,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:54:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:54:53,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:54:53,151 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:54:53,151 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2022-11-22 01:54:53,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-11-22 01:54:53,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-11-22 01:54:53,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-11-22 01:54:53,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-11-22 01:54:53,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-11-22 01:54:53,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-11-22 01:54:53,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-11-22 01:54:53,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-11-22 01:54:53,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-11-22 01:54:53,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-11-22 01:54:53,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-11-22 01:54:53,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-11-22 01:54:53,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-11-22 01:54:53,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-11-22 01:54:53,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-11-22 01:54:53,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-11-22 01:54:53,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-11-22 01:54:53,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-11-22 01:54:53,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-11-22 01:54:53,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-11-22 01:54:53,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-11-22 01:54:53,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-11-22 01:54:53,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-11-22 01:54:53,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-11-22 01:54:53,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-11-22 01:54:53,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-11-22 01:54:53,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-11-22 01:54:53,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-11-22 01:54:53,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-11-22 01:54:53,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-11-22 01:54:53,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-11-22 01:54:53,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-11-22 01:54:53,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-11-22 01:54:53,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-11-22 01:54:53,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-11-22 01:54:53,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-11-22 01:54:53,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-11-22 01:54:53,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-11-22 01:54:53,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-11-22 01:54:53,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-11-22 01:54:53,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-11-22 01:54:53,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-11-22 01:54:53,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-11-22 01:54:53,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-11-22 01:54:53,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-11-22 01:54:53,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-11-22 01:54:53,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-11-22 01:54:53,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-11-22 01:54:53,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:54:53,185 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 01:54:53,185 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-22 01:54:53,185 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-22 01:54:53,480 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:54:53,533 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:54:53,533 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 373 transitions, 767 flow [2022-11-22 01:54:53,534 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 373 transitions, 767 flow [2022-11-22 01:54:53,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 373 transitions, 767 flow [2022-11-22 01:54:53,818 INFO L130 PetriNetUnfolder]: 28/410 cut-off events. [2022-11-22 01:54:53,818 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-22 01:54:53,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 410 events. 28/410 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1294 event pairs, 0 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 352. Up to 8 conditions per place. [2022-11-22 01:54:53,920 INFO L119 LiptonReduction]: Number of co-enabled transitions 86784 [2022-11-22 01:57:35,325 INFO L134 LiptonReduction]: Checked pairs total: 1020362 [2022-11-22 01:57:35,326 INFO L136 LiptonReduction]: Total number of compositions: 357 [2022-11-22 01:57:35,327 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 214 places, 225 transitions, 471 flow