./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/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_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/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_c11ac1ab-bde3-4beb-a672-94ae1dd04969/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 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f --- 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 01:50:19,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:50:19,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:50:19,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:50:19,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:50:19,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:50:19,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:50:19,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:50:19,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:50:19,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:50:19,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:50:19,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:50:19,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:50:19,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:50:19,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:50:19,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:50:19,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:50:19,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:50:19,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:50:19,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:50:19,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:50:19,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:50:19,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:50:19,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:50:19,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:50:19,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:50:19,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:50:19,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:50:19,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:50:19,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:50:19,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:50:19,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:50:19,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:50:19,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:50:19,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:50:19,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:50:19,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:50:19,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:50:19,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:50:19,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:50:19,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:50:19,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:50:19,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:50:19,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:50:19,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:50:19,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:50:19,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:50:19,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:50:19,786 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:50:19,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:50:19,786 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:50:19,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:50:19,788 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:50:19,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:50:19,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:50:19,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:50:19,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:50:19,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:50:19,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:50:19,789 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:50:19,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:50:19,791 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:50:19,791 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:50:19,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:50:19,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:50:19,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:50:19,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:50:19,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:50:19,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:50:19,793 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:50:19,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:50:19,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:50:19,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:50:19,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:50:19,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:50:19,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:50:19,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:50:19,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:50:19,795 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:50:19,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:50:19,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:50:19,796 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:50:19,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:50:19,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:50:19,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:50:19,797 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_c11ac1ab-bde3-4beb-a672-94ae1dd04969/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f [2022-11-22 01:50:20,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:50:20,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:50:20,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:50:20,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:50:20,142 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:50:20,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-11-22 01:50:23,248 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:50:23,610 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:50:23,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-11-22 01:50:23,634 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/data/caaafa328/2a705eb8713645c69198ed94873cbbe0/FLAG853a9011b [2022-11-22 01:50:23,649 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/data/caaafa328/2a705eb8713645c69198ed94873cbbe0 [2022-11-22 01:50:23,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:50:23,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:50:23,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:50:23,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:50:23,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:50:23,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:50:23" (1/1) ... [2022-11-22 01:50:23,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d01fa37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:23, skipping insertion in model container [2022-11-22 01:50:23,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:50:23" (1/1) ... [2022-11-22 01:50:23,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:50:23,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:50:24,468 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_c11ac1ab-bde3-4beb-a672-94ae1dd04969/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-11-22 01:50:24,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:50:24,574 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:50:24,668 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_c11ac1ab-bde3-4beb-a672-94ae1dd04969/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-11-22 01:50:24,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:50:24,862 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:50:24,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24 WrapperNode [2022-11-22 01:50:24,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:50:24,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:50:24,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:50:24,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:50:24,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:24,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,037 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-22 01:50:25,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:50:25,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:50:25,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:50:25,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:50:25,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:50:25,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:50:25,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:50:25,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:50:25,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (1/1) ... [2022-11-22 01:50:25,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:50:25,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:50:25,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:50:25,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:50:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:50:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:50:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:50:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:50:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:50:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:50:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:50:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 01:50:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 01:50:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:50:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:50:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:50:25,219 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 01:50:25,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:50:25,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:50:26,185 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:50:26,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:50:26,205 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:50:26,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:50:26 BoogieIcfgContainer [2022-11-22 01:50:26,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:50:26,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:50:26,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:50:26,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:50:26,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:50:23" (1/3) ... [2022-11-22 01:50:26,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b93c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:50:26, skipping insertion in model container [2022-11-22 01:50:26,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:50:24" (2/3) ... [2022-11-22 01:50:26,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b93c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:50:26, skipping insertion in model container [2022-11-22 01:50:26,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:50:26" (3/3) ... [2022-11-22 01:50:26,223 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3b-container_of.i [2022-11-22 01:50:26,232 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:50:26,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:50:26,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-22 01:50:26,243 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:50:26,322 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:50:26,359 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:50:26,374 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 331 transitions, 678 flow [2022-11-22 01:50:26,377 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 331 transitions, 678 flow [2022-11-22 01:50:26,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-11-22 01:50:26,537 INFO L130 PetriNetUnfolder]: 10/408 cut-off events. [2022-11-22 01:50:26,538 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:50:26,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 10/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 739 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 218. Up to 4 conditions per place. [2022-11-22 01:50:26,556 INFO L119 LiptonReduction]: Number of co-enabled transitions 23112 [2022-11-22 01:51:28,992 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:51:38,630 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:51:57,628 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:52:02,692 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:52:08,473 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:52:14,741 WARN L233 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:52:39,950 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 117 DAG size of output: 115 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:52:42,097 INFO L134 LiptonReduction]: Checked pairs total: 392435 [2022-11-22 01:52:42,097 INFO L136 LiptonReduction]: Total number of compositions: 307 [2022-11-22 01:52:42,107 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 135 transitions, 286 flow [2022-11-22 01:52:43,545 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37170 states, 36981 states have (on average 2.9537600389389147) internal successors, (109233), 37169 states have internal predecessors, (109233), 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 01:52:43,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:52:43,584 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;@1a1cea66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:52:43,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-22 01:52:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 37170 states, 36981 states have (on average 2.9537600389389147) internal successors, (109233), 37169 states have internal predecessors, (109233), 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 01:52:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:52:43,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:43,672 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:52:43,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:52:43,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:43,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1019, now seen corresponding path program 1 times [2022-11-22 01:52:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:43,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940601970] [2022-11-22 01:52:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:44,011 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 01:52:44,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:44,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940601970] [2022-11-22 01:52:44,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940601970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:44,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:44,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:52:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52904149] [2022-11-22 01:52:44,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:44,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:52:44,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:52:44,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:52:44,246 INFO L87 Difference]: Start difference. First operand has 37170 states, 36981 states have (on average 2.9537600389389147) internal successors, (109233), 37169 states have internal predecessors, (109233), 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) [2022-11-22 01:52:45,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:45,524 INFO L93 Difference]: Finished difference Result 37166 states and 107500 transitions. [2022-11-22 01:52:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:52:45,585 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 [2022-11-22 01:52:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:46,076 INFO L225 Difference]: With dead ends: 37166 [2022-11-22 01:52:46,076 INFO L226 Difference]: Without dead ends: 37161 [2022-11-22 01:52:46,092 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 [2022-11-22 01:52:46,101 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:46,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:52:46,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37161 states. [2022-11-22 01:52:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37161 to 37161. [2022-11-22 01:52:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37161 states, 36978 states have (on average 2.9067824111633946) internal successors, (107487), 37160 states have internal predecessors, (107487), 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 01:52:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37161 states to 37161 states and 107487 transitions. [2022-11-22 01:52:48,162 INFO L78 Accepts]: Start accepts. Automaton has 37161 states and 107487 transitions. Word has length 1 [2022-11-22 01:52:48,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:48,163 INFO L495 AbstractCegarLoop]: Abstraction has 37161 states and 107487 transitions. [2022-11-22 01:52:48,163 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) [2022-11-22 01:52:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 37161 states and 107487 transitions. [2022-11-22 01:52:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:52:48,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:48,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:48,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:52:48,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:52:48,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:48,166 INFO L85 PathProgramCache]: Analyzing trace with hash 918022919, now seen corresponding path program 1 times [2022-11-22 01:52:48,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:48,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647880218] [2022-11-22 01:52:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:48,428 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 01:52:48,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:48,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647880218] [2022-11-22 01:52:48,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647880218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:48,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:48,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:52:48,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874608095] [2022-11-22 01:52:48,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:48,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:48,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:48,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:48,436 INFO L87 Difference]: Start difference. First operand 37161 states and 107487 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 01:52:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:49,347 INFO L93 Difference]: Finished difference Result 37178 states and 107503 transitions. [2022-11-22 01:52:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:49,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-22 01:52:49,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:49,524 INFO L225 Difference]: With dead ends: 37178 [2022-11-22 01:52:49,524 INFO L226 Difference]: Without dead ends: 37178 [2022-11-22 01:52:49,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:49,526 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 74 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:49,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 203 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:52:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37178 states. [2022-11-22 01:52:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37178 to 37155. [2022-11-22 01:52:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37155 states, 36973 states have (on average 2.9070132258675248) internal successors, (107481), 37154 states have internal predecessors, (107481), 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 01:52:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37155 states to 37155 states and 107481 transitions. [2022-11-22 01:52:51,026 INFO L78 Accepts]: Start accepts. Automaton has 37155 states and 107481 transitions. Word has length 7 [2022-11-22 01:52:51,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:51,026 INFO L495 AbstractCegarLoop]: Abstraction has 37155 states and 107481 transitions. [2022-11-22 01:52:51,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 01:52:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 37155 states and 107481 transitions. [2022-11-22 01:52:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:52:51,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:51,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:51,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:52:51,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:52:51,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:51,032 INFO L85 PathProgramCache]: Analyzing trace with hash -125448436, now seen corresponding path program 1 times [2022-11-22 01:52:51,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:51,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672756953] [2022-11-22 01:52:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:51,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:51,731 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 01:52:51,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:51,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672756953] [2022-11-22 01:52:51,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672756953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:51,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:51,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:52:51,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375958437] [2022-11-22 01:52:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:51,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:52:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:51,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:52:51,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:52:51,735 INFO L87 Difference]: Start difference. First operand 37155 states and 107481 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 01:52:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:53,555 INFO L93 Difference]: Finished difference Result 39413 states and 114065 transitions. [2022-11-22 01:52:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:52:53,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2022-11-22 01:52:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:53,803 INFO L225 Difference]: With dead ends: 39413 [2022-11-22 01:52:53,803 INFO L226 Difference]: Without dead ends: 39413 [2022-11-22 01:52:53,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:52:53,804 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 88 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:53,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 107 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:52:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39413 states. [2022-11-22 01:52:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39413 to 39413. [2022-11-22 01:52:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39413 states, 39232 states have (on average 2.9074480016313213) internal successors, (114065), 39412 states have internal predecessors, (114065), 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 01:52:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39413 states to 39413 states and 114065 transitions. [2022-11-22 01:52:55,599 INFO L78 Accepts]: Start accepts. Automaton has 39413 states and 114065 transitions. Word has length 7 [2022-11-22 01:52:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:55,599 INFO L495 AbstractCegarLoop]: Abstraction has 39413 states and 114065 transitions. [2022-11-22 01:52:55,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 01:52:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 39413 states and 114065 transitions. [2022-11-22 01:52:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:52:55,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:55,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:55,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:52:55,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:52:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:55,603 INFO L85 PathProgramCache]: Analyzing trace with hash 364009699, now seen corresponding path program 1 times [2022-11-22 01:52:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:55,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176418498] [2022-11-22 01:52:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:56,093 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 01:52:56,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:56,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176418498] [2022-11-22 01:52:56,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176418498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:56,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:56,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:52:56,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314172829] [2022-11-22 01:52:56,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:56,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:52:56,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:56,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:52:56,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:52:56,097 INFO L87 Difference]: Start difference. First operand 39413 states and 114065 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:52:58,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:58,015 INFO L93 Difference]: Finished difference Result 47145 states and 136819 transitions. [2022-11-22 01:52:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:52:58,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:52:58,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:58,223 INFO L225 Difference]: With dead ends: 47145 [2022-11-22 01:52:58,224 INFO L226 Difference]: Without dead ends: 47145 [2022-11-22 01:52:58,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:52:58,227 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 162 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:58,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 104 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:52:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47145 states. [2022-11-22 01:52:59,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47145 to 45522. [2022-11-22 01:52:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45522 states, 45341 states have (on average 2.9121986722833637) internal successors, (132042), 45521 states have internal predecessors, (132042), 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 01:52:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45522 states to 45522 states and 132042 transitions. [2022-11-22 01:52:59,799 INFO L78 Accepts]: Start accepts. Automaton has 45522 states and 132042 transitions. Word has length 9 [2022-11-22 01:52:59,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:59,800 INFO L495 AbstractCegarLoop]: Abstraction has 45522 states and 132042 transitions. [2022-11-22 01:52:59,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:52:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 45522 states and 132042 transitions. [2022-11-22 01:52:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:52:59,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:59,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:59,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:52:59,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:52:59,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -433921226, now seen corresponding path program 1 times [2022-11-22 01:52:59,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:59,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973479232] [2022-11-22 01:52:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:59,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:00,810 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 01:53:00,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:00,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973479232] [2022-11-22 01:53:00,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973479232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:00,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:00,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:53:00,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085449618] [2022-11-22 01:53:00,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:00,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:53:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:00,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:53:00,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:53:00,813 INFO L87 Difference]: Start difference. First operand 45522 states and 132042 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:53:02,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:02,453 INFO L93 Difference]: Finished difference Result 47778 states and 138618 transitions. [2022-11-22 01:53:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:53:02,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-22 01:53:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:02,703 INFO L225 Difference]: With dead ends: 47778 [2022-11-22 01:53:02,703 INFO L226 Difference]: Without dead ends: 47778 [2022-11-22 01:53:02,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:53:02,705 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 88 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:02,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 104 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:53:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47778 states. [2022-11-22 01:53:04,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47778 to 47778. [2022-11-22 01:53:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47778 states, 47597 states have (on average 2.9123264071264994) internal successors, (138618), 47777 states have internal predecessors, (138618), 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 01:53:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47778 states to 47778 states and 138618 transitions. [2022-11-22 01:53:04,387 INFO L78 Accepts]: Start accepts. Automaton has 47778 states and 138618 transitions. Word has length 10 [2022-11-22 01:53:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:04,388 INFO L495 AbstractCegarLoop]: Abstraction has 47778 states and 138618 transitions. [2022-11-22 01:53:04,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:53:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 47778 states and 138618 transitions. [2022-11-22 01:53:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:53:04,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:04,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:04,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:53:04,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:53:04,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1012379228, now seen corresponding path program 1 times [2022-11-22 01:53:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:04,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230113055] [2022-11-22 01:53:04,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:04,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:05,162 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 01:53:05,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:05,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230113055] [2022-11-22 01:53:05,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230113055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:05,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:05,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:53:05,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671611822] [2022-11-22 01:53:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:05,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:53:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:05,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:53:05,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:53:05,168 INFO L87 Difference]: Start difference. First operand 47778 states and 138618 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 01:53:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:07,229 INFO L93 Difference]: Finished difference Result 55895 states and 162472 transitions. [2022-11-22 01:53:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:53:07,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2022-11-22 01:53:07,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:07,400 INFO L225 Difference]: With dead ends: 55895 [2022-11-22 01:53:07,401 INFO L226 Difference]: Without dead ends: 55895 [2022-11-22 01:53:07,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:53:07,402 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 174 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:07,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 102 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 01:53:07,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55895 states. [2022-11-22 01:53:08,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55895 to 53918. [2022-11-22 01:53:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53918 states, 53737 states have (on average 2.9151236578149136) internal successors, (156650), 53917 states have internal predecessors, (156650), 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 01:53:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53918 states to 53918 states and 156650 transitions. [2022-11-22 01:53:09,182 INFO L78 Accepts]: Start accepts. Automaton has 53918 states and 156650 transitions. Word has length 11 [2022-11-22 01:53:09,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:09,182 INFO L495 AbstractCegarLoop]: Abstraction has 53918 states and 156650 transitions. [2022-11-22 01:53:09,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 01:53:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 53918 states and 156650 transitions. [2022-11-22 01:53:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:53:09,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:09,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:09,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:53:09,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:53:09,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash -509703718, now seen corresponding path program 1 times [2022-11-22 01:53:09,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:09,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197533651] [2022-11-22 01:53:09,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:53:09,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:53:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:53:09,295 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:53:09,295 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:53:09,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2022-11-22 01:53:09,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2022-11-22 01:53:09,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2022-11-22 01:53:09,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2022-11-22 01:53:09,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2022-11-22 01:53:09,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2022-11-22 01:53:09,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2022-11-22 01:53:09,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2022-11-22 01:53:09,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2022-11-22 01:53:09,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2022-11-22 01:53:09,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2022-11-22 01:53:09,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2022-11-22 01:53:09,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2022-11-22 01:53:09,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2022-11-22 01:53:09,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2022-11-22 01:53:09,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2022-11-22 01:53:09,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2022-11-22 01:53:09,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2022-11-22 01:53:09,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2022-11-22 01:53:09,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2022-11-22 01:53:09,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2022-11-22 01:53:09,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2022-11-22 01:53:09,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2022-11-22 01:53:09,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2022-11-22 01:53:09,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2022-11-22 01:53:09,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:53:09,308 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:09,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:53:09,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:53:09,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:53:09 BasicIcfg [2022-11-22 01:53:09,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:53:09,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:53:09,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:53:09,358 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:53:09,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:50:26" (3/4) ... [2022-11-22 01:53:09,361 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:53:09,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:53:09,362 INFO L158 Benchmark]: Toolchain (without parser) took 165708.90ms. Allocated memory was 174.1MB in the beginning and 11.3GB in the end (delta: 11.1GB). Free memory was 144.3MB in the beginning and 10.1GB in the end (delta: -9.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-22 01:53:09,363 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:53:09,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1208.38ms. Allocated memory is still 174.1MB. Free memory was 144.3MB in the beginning and 86.5MB in the end (delta: 57.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-22 01:53:09,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.85ms. Allocated memory is still 174.1MB. Free memory was 86.5MB in the beginning and 138.7MB in the end (delta: -52.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 01:53:09,364 INFO L158 Benchmark]: Boogie Preprocessor took 85.52ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 134.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:53:09,364 INFO L158 Benchmark]: RCFGBuilder took 1077.95ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 99.9MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-22 01:53:09,365 INFO L158 Benchmark]: TraceAbstraction took 163147.31ms. Allocated memory was 174.1MB in the beginning and 11.3GB in the end (delta: 11.1GB). Free memory was 98.8MB in the beginning and 10.1GB in the end (delta: -10.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-22 01:53:09,365 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 11.3GB. Free memory is still 10.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:53:09,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1208.38ms. Allocated memory is still 174.1MB. Free memory was 144.3MB in the beginning and 86.5MB in the end (delta: 57.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.85ms. Allocated memory is still 174.1MB. Free memory was 86.5MB in the beginning and 138.7MB in the end (delta: -52.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.52ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 134.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.95ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 99.9MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 163147.31ms. Allocated memory was 174.1MB in the beginning and 11.3GB in the end (delta: 11.1GB). Free memory was 98.8MB in the beginning and 10.1GB in the end (delta: -10.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 11.3GB. Free memory is still 10.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.7s, 329 PlacesBefore, 136 PlacesAfterwards, 331 TransitionsBefore, 135 TransitionsAfterwards, 23112 CoEnabledTransitionPairs, 25 FixpointIterations, 125 TrivialSequentialCompositions, 130 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 43 ConcurrentYvCompositions, 3 ChoiceCompositions, 307 TotalNumberOfCompositions, 392435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31838, independent: 26186, independent conditional: 0, independent unconditional: 26186, dependent: 5291, dependent conditional: 0, dependent unconditional: 5291, unknown: 361, unknown conditional: 0, unknown unconditional: 361] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12744, independent: 12351, independent conditional: 0, independent unconditional: 12351, dependent: 374, dependent conditional: 0, dependent unconditional: 374, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12744, independent: 10900, independent conditional: 0, independent unconditional: 10900, dependent: 1844, dependent conditional: 0, dependent unconditional: 1844, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1844, independent: 1451, independent conditional: 0, independent unconditional: 1451, dependent: 374, dependent conditional: 0, dependent unconditional: 374, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42637, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 1606, dependent conditional: 0, dependent unconditional: 1606, unknown: 40258, unknown conditional: 0, unknown unconditional: 40258] ], Cache Queries: [ total: 31838, independent: 13835, independent conditional: 0, independent unconditional: 13835, dependent: 4917, dependent conditional: 0, dependent unconditional: 4917, unknown: 13086, unknown conditional: 0, unknown unconditional: 13086] , Statistics on independence cache: Total cache size (in pairs): 953, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 192, Negative conditional cache size: 0, Negative unconditional cache size: 192, Unknown cache size: 12, Unknown conditional cache size: 0, Unknown unconditional cache size: 12 - 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 - DataRaceFoundResult [Line: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1748] CALL, EXPR 0 my_drv_init() [L1742] 0 return 0; [L1748] RET, EXPR 0 my_drv_init() [L1748] 0 int ret = my_drv_init(); [L1749] COND TRUE 0 ret==0 [L1750] 0 int probe_ret; [L1751] 0 struct my_data data; [L1752] CALL 0 my_drv_probe(&data) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] 0 int res = __VERIFIER_nondet_int(); [L1722] COND FALSE 0 !(\read(res)) [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1164, dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1164, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1164, data->shared.a = 3=1152, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1164, dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.a = 3 [1726] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] and C: data->shared.a = 1 [1711] - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1737]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1728]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1755]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1729]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 362 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 162.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 137.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 586 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 586 mSDsluCounter, 706 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4006 IncrementalHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 567 mSDtfsCounter, 4006 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53918occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 3623 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-22 01:53:09,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11ac1ab-bde3-4beb-a672-94ae1dd04969/bin/utaipan-g80aRyZoba/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE