./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0 --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 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 --- 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-e04fb08 [2022-11-16 15:58:52,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:58:52,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:58:52,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:58:52,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:58:52,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:58:52,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:58:52,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:58:52,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:58:52,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:58:52,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:58:52,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:58:52,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:58:52,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:58:52,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:58:52,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:58:52,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:58:52,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:58:52,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:58:52,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:58:52,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:58:52,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:58:52,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:58:52,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:58:52,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:58:52,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:58:52,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:58:52,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:58:52,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:58:52,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:58:52,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:58:52,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:58:52,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:58:52,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:58:52,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:58:52,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:58:52,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:58:52,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:58:52,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:58:52,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:58:52,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:58:52,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-16 15:58:52,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:58:52,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:58:52,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:58:52,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:58:52,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:58:52,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:58:52,855 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:58:52,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:58:52,856 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:58:52,856 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:58:52,857 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:58:52,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:58:52,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:58:52,858 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:58:52,858 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:58:52,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:58:52,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:58:52,859 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:58:52,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:58:52,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:58:52,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:58:52,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:58:52,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:58:52,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:58:52,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:58:52,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:58:52,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:58:52,864 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 15:58:52,864 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:58:52,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:58:52,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:58:52,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:58:52,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:58:52,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:58:52,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:58:52,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:58:52,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:58:52,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:58:52,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:58:52,867 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:58:52,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:58:52,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:58:52,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:58:52,881 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_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 [2022-11-16 15:58:53,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:58:53,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:58:53,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:58:53,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:58:53,275 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:58:53,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-16 15:58:53,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/data/7fd9fd21b/91e4811cef2c48d0a72149fa4e5535e7/FLAG2d3908451 [2022-11-16 15:58:54,041 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:58:54,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-16 15:58:54,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/data/7fd9fd21b/91e4811cef2c48d0a72149fa4e5535e7/FLAG2d3908451 [2022-11-16 15:58:54,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/data/7fd9fd21b/91e4811cef2c48d0a72149fa4e5535e7 [2022-11-16 15:58:54,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:58:54,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:58:54,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:58:54,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:58:54,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:58:54,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:54,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f9e6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54, skipping insertion in model container [2022-11-16 15:58:54,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:54,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:58:54,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:58:54,817 WARN L229 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_598734ec-9ff5-4555-9f53-054de2e0d2a1/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-16 15:58:54,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:58:54,881 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:58:54,940 WARN L229 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_598734ec-9ff5-4555-9f53-054de2e0d2a1/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-16 15:58:54,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:58:54,996 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:58:54,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54 WrapperNode [2022-11-16 15:58:54,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:58:54,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:58:54,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:58:54,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:58:55,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,054 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2022-11-16 15:58:55,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:58:55,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:58:55,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:58:55,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:58:55,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,086 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:58:55,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:58:55,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:58:55,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:58:55,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (1/1) ... [2022-11-16 15:58:55,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:58:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:58:55,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:58:55,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:58:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 15:58:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 15:58:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 15:58:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 15:58:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:58:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 15:58:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:58:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:58:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:58:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:58:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 15:58:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:58:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:58:55,209 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 15:58:55,388 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:58:55,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:58:55,768 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:58:55,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:58:55,927 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 15:58:55,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:58:55 BoogieIcfgContainer [2022-11-16 15:58:55,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:58:55,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:58:55,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:58:55,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:58:55,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:58:54" (1/3) ... [2022-11-16 15:58:55,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f48c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:58:55, skipping insertion in model container [2022-11-16 15:58:55,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:58:54" (2/3) ... [2022-11-16 15:58:55,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f48c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:58:55, skipping insertion in model container [2022-11-16 15:58:55,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:58:55" (3/3) ... [2022-11-16 15:58:55,941 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-7.i [2022-11-16 15:58:55,949 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 15:58:55,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:58:55,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-16 15:58:55,964 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 15:58:56,072 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 15:58:56,114 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 15:58:56,133 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 188 transitions, 386 flow [2022-11-16 15:58:56,136 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 188 transitions, 386 flow [2022-11-16 15:58:56,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 188 transitions, 386 flow [2022-11-16 15:58:56,225 INFO L130 PetriNetUnfolder]: 7/186 cut-off events. [2022-11-16 15:58:56,225 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 15:58:56,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 7/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 339 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-16 15:58:56,243 INFO L119 LiptonReduction]: Number of co-enabled transitions 12600 [2022-11-16 15:59:02,946 INFO L134 LiptonReduction]: Checked pairs total: 12113 [2022-11-16 15:59:02,946 INFO L136 LiptonReduction]: Total number of compositions: 237 [2022-11-16 15:59:02,958 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 100 flow [2022-11-16 15:59:03,088 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 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) [2022-11-16 15:59:03,113 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:59:03,121 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;@1babffb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:59:03,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-16 15:59:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 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) [2022-11-16 15:59:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 15:59:03,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:59:03,134 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 15:59:03,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-16 15:59:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:59:03,143 INFO L85 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2022-11-16 15:59:03,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:59:03,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403017646] [2022-11-16 15:59:03,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:59:03,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:59:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:59:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:59:03,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:59:03,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403017646] [2022-11-16 15:59:03,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403017646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:59:03,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:59:03,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 15:59:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457984140] [2022-11-16 15:59:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:59:03,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 15:59:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:59:03,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 15:59:03,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 15:59:03,297 INFO L87 Difference]: Start difference. First operand has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 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) [2022-11-16 15:59:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:59:03,352 INFO L93 Difference]: Finished difference Result 34 states and 92 transitions. [2022-11-16 15:59:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:59:03,355 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 [2022-11-16 15:59:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:59:03,360 INFO L225 Difference]: With dead ends: 34 [2022-11-16 15:59:03,360 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 15:59:03,361 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 [2022-11-16 15:59:03,367 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 15:59:03,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 15:59:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 15:59:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 15:59:03,395 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) [2022-11-16 15:59:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 15:59:03,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-16 15:59:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:59:03,396 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 15:59:03,401 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) [2022-11-16 15:59:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 15:59:03,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 15:59:03,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-16 15:59:03,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-16 15:59:03,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-16 15:59:03,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-16 15:59:03,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-16 15:59:03,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-16 15:59:03,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-16 15:59:03,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-16 15:59:03,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-16 15:59:03,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-16 15:59:03,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-16 15:59:03,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-16 15:59:03,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-16 15:59:03,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-16 15:59:03,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-16 15:59:03,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-16 15:59:03,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2022-11-16 15:59:03,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2022-11-16 15:59:03,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-16 15:59:03,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-16 15:59:03,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-16 15:59:03,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-16 15:59:03,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-16 15:59:03,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-16 15:59:03,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-16 15:59:03,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-16 15:59:03,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-16 15:59:03,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-16 15:59:03,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-11-16 15:59:03,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-11-16 15:59:03,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-16 15:59:03,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-16 15:59:03,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-16 15:59:03,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-16 15:59:03,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-16 15:59:03,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-16 15:59:03,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-16 15:59:03,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-16 15:59:03,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-16 15:59:03,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-16 15:59:03,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-16 15:59:03,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-16 15:59:03,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-16 15:59:03,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-16 15:59:03,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-16 15:59:03,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-16 15:59:03,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 15:59:03,434 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 15:59:03,441 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 15:59:03,441 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 15:59:03,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:59:03 BasicIcfg [2022-11-16 15:59:03,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 15:59:03,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 15:59:03,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 15:59:03,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 15:59:03,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:58:55" (3/4) ... [2022-11-16 15:59:03,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 15:59:03,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-16 15:59:03,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-16 15:59:03,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-16 15:59:03,460 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 15:59:03,460 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 15:59:03,460 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 15:59:03,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 15:59:03,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 15:59:03,515 INFO L158 Benchmark]: Toolchain (without parser) took 9179.11ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 72.2MB in the beginning and 53.9MB in the end (delta: 18.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,515 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:59:03,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.65ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 81.1MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.94ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,516 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:59:03,516 INFO L158 Benchmark]: RCFGBuilder took 838.52ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 53.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,516 INFO L158 Benchmark]: TraceAbstraction took 7511.02ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 53.4MB in the beginning and 59.1MB in the end (delta: -5.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,516 INFO L158 Benchmark]: Witness Printer took 69.45ms. Allocated memory is still 148.9MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 15:59:03,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.65ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 81.1MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.94ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.83ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 838.52ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 53.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7511.02ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 53.4MB in the beginning and 59.1MB in the end (delta: -5.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 69.45ms. Allocated memory is still 148.9MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.2MB). 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: 6.8s, 188 PlacesBefore, 49 PlacesAfterwards, 188 TransitionsBefore, 45 TransitionsAfterwards, 12600 CoEnabledTransitionPairs, 9 FixpointIterations, 40 TrivialSequentialCompositions, 178 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 237 TotalNumberOfCompositions, 12113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11737, independent: 11724, independent conditional: 0, independent unconditional: 11724, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7881, independent: 7870, independent conditional: 0, independent unconditional: 7870, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7881, independent: 7837, independent conditional: 0, independent unconditional: 7837, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11737, independent: 3854, independent conditional: 0, independent unconditional: 3854, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 7881, unknown conditional: 0, unknown unconditional: 7881] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: 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, 242 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1723occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 15:59:03,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598734ec-9ff5-4555-9f53-054de2e0d2a1/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE