./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/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_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/reorder_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/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_4c4e4490-fa45-466a-9e90-c44fd256c690/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 7c8e5f65b78a025b6376ca00ad63a807363d8e09dfbfc133c782b166d87996a6 --- 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 02:47:27,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:47:27,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:47:27,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:47:27,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:47:27,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:47:27,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:47:27,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:47:27,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:47:27,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:47:27,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:47:27,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:47:27,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:47:27,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:47:27,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:47:27,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:47:27,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:47:27,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:47:27,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:47:27,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:47:27,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:47:27,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:47:27,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:47:27,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:47:27,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:47:27,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:47:27,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:47:27,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:47:27,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:47:27,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:47:27,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:47:27,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:47:27,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:47:27,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:47:27,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:47:27,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:47:27,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:47:27,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:47:27,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:47:27,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:47:27,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:47:27,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 02:47:27,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:47:27,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:47:27,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:47:27,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:47:27,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:47:27,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:47:27,790 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:47:27,791 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:47:27,791 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:47:27,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:47:27,791 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:47:27,792 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:47:27,792 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:47:27,792 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:47:27,792 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:47:27,793 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:47:27,793 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:47:27,793 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:47:27,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:47:27,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:47:27,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:47:27,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:47:27,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:47:27,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:47:27,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:47:27,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:47:27,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:47:27,796 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 02:47:27,797 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:47:27,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:47:27,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:47:27,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:47:27,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:47:27,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:47:27,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:47:27,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:47:27,799 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:47:27,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:47:27,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:47:27,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:47:27,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:47:27,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:47:27,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:47:27,801 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_4c4e4490-fa45-466a-9e90-c44fd256c690/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c8e5f65b78a025b6376ca00ad63a807363d8e09dfbfc133c782b166d87996a6 [2022-11-22 02:47:28,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:47:28,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:47:28,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:47:28,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:47:28,096 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:47:28,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread/reorder_2.i [2022-11-22 02:47:31,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:47:31,445 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:47:31,446 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/sv-benchmarks/c/pthread/reorder_2.i [2022-11-22 02:47:31,483 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/data/1cfd15a2f/f41193f0377e45ac8c41165c4dab8805/FLAG99dffa981 [2022-11-22 02:47:31,504 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/data/1cfd15a2f/f41193f0377e45ac8c41165c4dab8805 [2022-11-22 02:47:31,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:47:31,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:47:31,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:47:31,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:47:31,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:47:31,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:31" (1/1) ... [2022-11-22 02:47:31,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289439eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:31, skipping insertion in model container [2022-11-22 02:47:31,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:31" (1/1) ... [2022-11-22 02:47:31,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:47:31,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:47:32,174 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_4c4e4490-fa45-466a-9e90-c44fd256c690/sv-benchmarks/c/pthread/reorder_2.i[59793,59806] [2022-11-22 02:47:32,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:47:32,184 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:47:32,259 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_4c4e4490-fa45-466a-9e90-c44fd256c690/sv-benchmarks/c/pthread/reorder_2.i[59793,59806] [2022-11-22 02:47:32,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:47:32,328 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:47:32,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32 WrapperNode [2022-11-22 02:47:32,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:47:32,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:47:32,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:47:32,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:47:32,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,425 INFO L138 Inliner]: procedures = 370, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 199 [2022-11-22 02:47:32,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:47:32,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:47:32,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:47:32,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:47:32,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,503 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:47:32,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:47:32,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:47:32,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:47:32,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (1/1) ... [2022-11-22 02:47:32,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:47:32,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:47:32,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:47:32,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4e4490-fa45-466a-9e90-c44fd256c690/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-11-22 02:47:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-11-22 02:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-11-22 02:47:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-11-22 02:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:47:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:47:32,609 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 02:47:32,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:47:32,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:47:33,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:47:33,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:47:33,406 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 02:47:33,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:47:33 BoogieIcfgContainer [2022-11-22 02:47:33,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:47:33,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:47:33,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:47:33,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:47:33,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:47:31" (1/3) ... [2022-11-22 02:47:33,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7b30db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:47:33, skipping insertion in model container [2022-11-22 02:47:33,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32" (2/3) ... [2022-11-22 02:47:33,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7b30db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:47:33, skipping insertion in model container [2022-11-22 02:47:33,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:47:33" (3/3) ... [2022-11-22 02:47:33,419 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2.i [2022-11-22 02:47:33,433 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:47:33,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:47:33,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-22 02:47:33,446 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:47:33,525 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-22 02:47:33,573 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:47:33,592 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 278 transitions, 578 flow [2022-11-22 02:47:33,595 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 278 transitions, 578 flow [2022-11-22 02:47:33,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 278 transitions, 578 flow [2022-11-22 02:47:33,810 INFO L130 PetriNetUnfolder]: 41/597 cut-off events. [2022-11-22 02:47:33,810 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-22 02:47:33,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 597 events. 41/597 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2598 event pairs, 0 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 302. Up to 8 conditions per place. [2022-11-22 02:47:33,836 INFO L119 LiptonReduction]: Number of co-enabled transitions 14204 [2022-11-22 02:47:56,739 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 229 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:48:07,408 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 236 DAG size of output: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:48:11,308 INFO L134 LiptonReduction]: Checked pairs total: 37952 [2022-11-22 02:48:11,308 INFO L136 LiptonReduction]: Total number of compositions: 302 [2022-11-22 02:48:11,316 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 67 transitions, 156 flow [2022-11-22 02:48:11,467 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3206 states, 2920 states have (on average 3.0222602739726026) internal successors, (8825), 3205 states have internal predecessors, (8825), 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 02:48:11,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:48:11,494 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;@37dd0526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:48:11,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-22 02:48:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 3206 states, 2920 states have (on average 3.0222602739726026) internal successors, (8825), 3205 states have internal predecessors, (8825), 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 02:48:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 02:48:11,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:11,511 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 02:48:11,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-22 02:48:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:11,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1013, now seen corresponding path program 1 times [2022-11-22 02:48:11,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:11,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011439631] [2022-11-22 02:48:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:11,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:11,655 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 02:48:11,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:11,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011439631] [2022-11-22 02:48:11,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011439631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:11,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:11,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 02:48:11,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460114206] [2022-11-22 02:48:11,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:48:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:11,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:48:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:48:11,702 INFO L87 Difference]: Start difference. First operand has 3206 states, 2920 states have (on average 3.0222602739726026) internal successors, (8825), 3205 states have internal predecessors, (8825), 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 02:48:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:11,872 INFO L93 Difference]: Finished difference Result 1840 states and 5015 transitions. [2022-11-22 02:48:11,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:48:11,874 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 02:48:11,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:11,902 INFO L225 Difference]: With dead ends: 1840 [2022-11-22 02:48:11,902 INFO L226 Difference]: Without dead ends: 1781 [2022-11-22 02:48:11,903 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 02:48:11,906 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:11,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:48:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-11-22 02:48:12,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1781. [2022-11-22 02:48:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1710 states have (on average 2.8362573099415203) internal successors, (4850), 1780 states have internal predecessors, (4850), 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 02:48:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 4850 transitions. [2022-11-22 02:48:12,027 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 4850 transitions. Word has length 1 [2022-11-22 02:48:12,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:12,029 INFO L495 AbstractCegarLoop]: Abstraction has 1781 states and 4850 transitions. [2022-11-22 02:48:12,029 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 02:48:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 4850 transitions. [2022-11-22 02:48:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:48:12,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:12,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:48:12,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:48:12,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-22 02:48:12,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:12,033 INFO L85 PathProgramCache]: Analyzing trace with hash -20082410, now seen corresponding path program 1 times [2022-11-22 02:48:12,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:12,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005688110] [2022-11-22 02:48:12,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:12,258 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 02:48:12,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:12,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005688110] [2022-11-22 02:48:12,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005688110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:12,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:12,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:48:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436128818] [2022-11-22 02:48:12,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:12,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:48:12,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:12,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:48:12,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:48:12,263 INFO L87 Difference]: Start difference. First operand 1781 states and 4850 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:48:12,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:12,509 INFO L93 Difference]: Finished difference Result 1928 states and 5290 transitions. [2022-11-22 02:48:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:48:12,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-22 02:48:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:12,522 INFO L225 Difference]: With dead ends: 1928 [2022-11-22 02:48:12,522 INFO L226 Difference]: Without dead ends: 1928 [2022-11-22 02:48:12,522 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 02:48:12,524 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 37 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:12,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 42 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:48:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2022-11-22 02:48:12,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1928. [2022-11-22 02:48:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1858 states have (on average 2.8471474703982778) internal successors, (5290), 1927 states have internal predecessors, (5290), 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 02:48:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 5290 transitions. [2022-11-22 02:48:12,624 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 5290 transitions. Word has length 6 [2022-11-22 02:48:12,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:12,624 INFO L495 AbstractCegarLoop]: Abstraction has 1928 states and 5290 transitions. [2022-11-22 02:48:12,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:48:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 5290 transitions. [2022-11-22 02:48:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:48:12,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:12,626 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 02:48:12,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:48:12,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-22 02:48:12,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:12,627 INFO L85 PathProgramCache]: Analyzing trace with hash -19818732, now seen corresponding path program 1 times [2022-11-22 02:48:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:12,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001123753] [2022-11-22 02:48:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:48:12,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:48:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:48:12,765 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:48:12,774 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:48:12,775 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-11-22 02:48:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2022-11-22 02:48:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2022-11-22 02:48:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2022-11-22 02:48:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2022-11-22 02:48:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2022-11-22 02:48:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2022-11-22 02:48:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2022-11-22 02:48:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2022-11-22 02:48:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2022-11-22 02:48:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2022-11-22 02:48:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2022-11-22 02:48:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2022-11-22 02:48:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2022-11-22 02:48:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2022-11-22 02:48:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2022-11-22 02:48:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2022-11-22 02:48:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2022-11-22 02:48:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2022-11-22 02:48:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2022-11-22 02:48:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2022-11-22 02:48:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2022-11-22 02:48:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2022-11-22 02:48:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 31 remaining) [2022-11-22 02:48:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2022-11-22 02:48:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2022-11-22 02:48:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2022-11-22 02:48:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2022-11-22 02:48:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2022-11-22 02:48:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2022-11-22 02:48:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2022-11-22 02:48:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:48:12,794 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-22 02:48:12,796 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-22 02:48:12,796 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-22 02:48:12,861 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-22 02:48:12,871 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:48:12,871 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 340 transitions, 728 flow [2022-11-22 02:48:12,874 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 340 transitions, 728 flow [2022-11-22 02:48:12,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 340 transitions, 728 flow [2022-11-22 02:48:13,297 INFO L130 PetriNetUnfolder]: 165/1885 cut-off events. [2022-11-22 02:48:13,298 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-11-22 02:48:13,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1982 conditions, 1885 events. 165/1885 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 11618 event pairs, 2 based on Foata normal form. 0/1580 useless extension candidates. Maximal degree in co-relation 1076. Up to 32 conditions per place. [2022-11-22 02:48:13,374 INFO L119 LiptonReduction]: Number of co-enabled transitions 35748 [2022-11-22 02:48:38,461 WARN L233 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 220 DAG size of output: 212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:48:54,465 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 227 DAG size of output: 219 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:49:00,039 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:49:00,325 INFO L134 LiptonReduction]: Checked pairs total: 125191 [2022-11-22 02:49:00,326 INFO L136 LiptonReduction]: Total number of compositions: 343 [2022-11-22 02:49:00,327 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 103 transitions, 254 flow [2022-11-22 02:49:23,757 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 632918 states, 625819 states have (on average 4.703296000920394) internal successors, (2943412), 632917 states have internal predecessors, (2943412), 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 02:49:23,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:49:23,776 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;@37dd0526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:49:23,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-11-22 02:49:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 632918 states, 625819 states have (on average 4.703296000920394) internal successors, (2943412), 632917 states have internal predecessors, (2943412), 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 02:49:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 02:49:24,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:24,591 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 02:49:24,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-22 02:49:24,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1760, now seen corresponding path program 1 times [2022-11-22 02:49:24,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:24,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90723560] [2022-11-22 02:49:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:24,603 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 02:49:24,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:24,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90723560] [2022-11-22 02:49:24,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90723560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:24,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:24,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 02:49:24,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534725463] [2022-11-22 02:49:24,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:24,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:49:24,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:24,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:49:24,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:49:25,626 INFO L87 Difference]: Start difference. First operand has 632918 states, 625819 states have (on average 4.703296000920394) internal successors, (2943412), 632917 states have internal predecessors, (2943412), 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 02:49:36,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:36,067 INFO L93 Difference]: Finished difference Result 355063 states and 1649988 transitions. [2022-11-22 02:49:36,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:49:36,068 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 02:49:36,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:40,652 INFO L225 Difference]: With dead ends: 355063 [2022-11-22 02:49:40,653 INFO L226 Difference]: Without dead ends: 354524 [2022-11-22 02:49:40,654 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 02:49:40,658 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:40,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:49:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354524 states.