./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI --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 ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 --- 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-5e519f3 [2022-11-03 02:25:58,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:25:58,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:25:58,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:25:58,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:25:58,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:25:58,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:25:58,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:25:58,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:25:58,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:25:58,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:25:58,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:25:58,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:25:58,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:25:58,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:25:58,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:25:58,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:25:58,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:25:58,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:25:58,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:25:58,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:25:58,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:25:58,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:25:58,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:25:58,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:25:58,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:25:58,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:25:58,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:25:58,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:25:58,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:25:58,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:25:58,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:25:58,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:25:58,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:25:58,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:25:58,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:25:58,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:25:58,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:25:58,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:25:58,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:25:58,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:25:58,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:25:58,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:25:58,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:25:58,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:25:58,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:25:58,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:25:58,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:25:58,461 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:25:58,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:25:58,461 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:25:58,462 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:25:58,463 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:25:58,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:25:58,463 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:25:58,464 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:25:58,464 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:25:58,464 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:25:58,464 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:25:58,465 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:25:58,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:25:58,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:25:58,466 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:25:58,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:25:58,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:25:58,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:25:58,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:25:58,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:25:58,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:25:58,470 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:25:58,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:25:58,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:25:58,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:25:58,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:25:58,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:25:58,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:25:58,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:25:58,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:25:58,472 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:25:58,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:25:58,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:25:58,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:25:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:25:58,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:25:58,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:25:58,474 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_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 [2022-11-03 02:25:58,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:25:58,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:25:58,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:25:58,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:25:58,821 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:25:58,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i [2022-11-03 02:25:58,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/data/46917feee/73df4d9cef98456a8c75e7e8c06b8036/FLAG3b1cebbf8 [2022-11-03 02:25:59,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:25:59,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i [2022-11-03 02:25:59,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/data/46917feee/73df4d9cef98456a8c75e7e8c06b8036/FLAG3b1cebbf8 [2022-11-03 02:25:59,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/data/46917feee/73df4d9cef98456a8c75e7e8c06b8036 [2022-11-03 02:25:59,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:25:59,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:25:59,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:59,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:25:59,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:25:59,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:59" (1/1) ... [2022-11-03 02:25:59,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743880a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:59, skipping insertion in model container [2022-11-03 02:25:59,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:59" (1/1) ... [2022-11-03 02:25:59,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:25:59,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:26:00,556 WARN L230 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_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i[55223,55236] [2022-11-03 02:26:00,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:00,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:26:00,664 WARN L230 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_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/sv-benchmarks/c/pthread/singleton_with-uninit-problems-b.i[55223,55236] [2022-11-03 02:26:00,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:00,749 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:26:00,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00 WrapperNode [2022-11-03 02:26:00,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:26:00,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:00,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:26:00,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:26:00,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,801 INFO L138 Inliner]: procedures = 323, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-11-03 02:26:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:00,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:26:00,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:26:00,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:26:00,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,852 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:26:00,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:26:00,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:26:00,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:26:00,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (1/1) ... [2022-11-03 02:26:00,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:26:00,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:00,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:26:00,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7355d433-cd3c-48ae-8be8-7ed6449ba0a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:26:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:26:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:26:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:26:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-03 02:26:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-03 02:26:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:26:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:26:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:26:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:26:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 02:26:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 02:26:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:26:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:26:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:26:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:26:00,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:26:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:26:00,973 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:26:01,162 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:26:01,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:26:01,567 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:26:01,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:26:01,579 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:26:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:01 BoogieIcfgContainer [2022-11-03 02:26:01,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:26:01,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:26:01,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:26:01,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:26:01,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:25:59" (1/3) ... [2022-11-03 02:26:01,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b42557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:01, skipping insertion in model container [2022-11-03 02:26:01,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:00" (2/3) ... [2022-11-03 02:26:01,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b42557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:01, skipping insertion in model container [2022-11-03 02:26:01,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:01" (3/3) ... [2022-11-03 02:26:01,598 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems-b.i [2022-11-03 02:26:01,609 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:26:01,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:26:01,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-11-03 02:26:01,621 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:26:01,832 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-11-03 02:26:01,886 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:26:01,909 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 309 transitions, 725 flow [2022-11-03 02:26:01,920 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 309 transitions, 725 flow [2022-11-03 02:26:01,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 309 transitions, 725 flow [2022-11-03 02:26:02,110 INFO L130 PetriNetUnfolder]: 7/222 cut-off events. [2022-11-03 02:26:02,111 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-03 02:26:02,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 222 events. 7/222 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 212 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2022-11-03 02:26:02,126 INFO L118 LiptonReduction]: Number of co-enabled transitions 7920 [2022-11-03 02:26:09,680 INFO L133 LiptonReduction]: Checked pairs total: 51809 [2022-11-03 02:26:09,681 INFO L135 LiptonReduction]: Total number of compositions: 200 [2022-11-03 02:26:09,690 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 144 transitions, 395 flow [2022-11-03 02:26:23,786 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 313775 states, 313364 states have (on average 5.12690034592359) internal successors, (1606586), 313774 states have internal predecessors, (1606586), 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) [2022-11-03 02:26:23,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:26:23,834 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;@b880504, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:26:23,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-11-03 02:26:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 313775 states, 313364 states have (on average 5.12690034592359) internal successors, (1606586), 313774 states have internal predecessors, (1606586), 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) [2022-11-03 02:26:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:26:24,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:24,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:26:24,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-03 02:26:24,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:24,330 INFO L85 PathProgramCache]: Analyzing trace with hash 773542483, now seen corresponding path program 1 times [2022-11-03 02:26:24,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:24,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935396327] [2022-11-03 02:26:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:24,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:24,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935396327] [2022-11-03 02:26:24,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935396327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:24,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:24,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:26:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826244175] [2022-11-03 02:26:24,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:24,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:26:24,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:26:24,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:25,321 INFO L87 Difference]: Start difference. First operand has 313775 states, 313364 states have (on average 5.12690034592359) internal successors, (1606586), 313774 states have internal predecessors, (1606586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:30,050 INFO L93 Difference]: Finished difference Result 188955 states and 950720 transitions. [2022-11-03 02:26:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:26:30,054 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:26:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:33,005 INFO L225 Difference]: With dead ends: 188955 [2022-11-03 02:26:33,005 INFO L226 Difference]: Without dead ends: 188950 [2022-11-03 02:26:33,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:33,010 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:33,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:26:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188950 states. [2022-11-03 02:26:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188950 to 188950. [2022-11-03 02:26:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188950 states, 188857 states have (on average 5.034015154323113) internal successors, (950709), 188949 states have internal predecessors, (950709), 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) [2022-11-03 02:26:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188950 states to 188950 states and 950709 transitions. [2022-11-03 02:26:45,971 INFO L78 Accepts]: Start accepts. Automaton has 188950 states and 950709 transitions. Word has length 5 [2022-11-03 02:26:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:45,971 INFO L495 AbstractCegarLoop]: Abstraction has 188950 states and 950709 transitions. [2022-11-03 02:26:45,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 188950 states and 950709 transitions. [2022-11-03 02:26:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:26:45,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:45,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:45,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:26:45,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-03 02:26:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:45,975 INFO L85 PathProgramCache]: Analyzing trace with hash 83379653, now seen corresponding path program 1 times [2022-11-03 02:26:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239601679] [2022-11-03 02:26:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:45,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:46,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:46,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239601679] [2022-11-03 02:26:46,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239601679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:46,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:46,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:26:46,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256759152] [2022-11-03 02:26:46,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:46,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:26:46,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:46,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:26:46,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:26:46,404 INFO L87 Difference]: Start difference. First operand 188950 states and 950709 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:51,928 INFO L93 Difference]: Finished difference Result 293631 states and 1461061 transitions. [2022-11-03 02:26:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:26:51,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 02:26:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:55,516 INFO L225 Difference]: With dead ends: 293631 [2022-11-03 02:26:55,516 INFO L226 Difference]: Without dead ends: 293607 [2022-11-03 02:26:55,517 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 [2022-11-03 02:26:55,518 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 243 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:55,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 196 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]