./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-8393723 [2022-11-19 08:27:18,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:18,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:18,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:18,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:18,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:18,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:18,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:18,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:18,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:18,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:18,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:18,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:18,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:18,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:18,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:18,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:18,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:18,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:18,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:18,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:18,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:18,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:18,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:18,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:18,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:18,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:18,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:18,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:18,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:18,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:18,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:18,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:18,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:18,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:18,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:18,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:18,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:18,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:18,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:18,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:27:18,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:18,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:18,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:18,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:18,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:18,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:18,365 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:18,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:18,366 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:18,366 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:18,366 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:18,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:18,379 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:18,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:18,379 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:18,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:18,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:18,380 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:18,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:18,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:27:18,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:18,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:27:18,382 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:27:18,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:27:18,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:27:18,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:18,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:27:18,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:18,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:18,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:18,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:18,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:27:18,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:18,387 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_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-19 08:27:18,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:18,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:18,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:18,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:18,679 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:18,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread/singleton.i [2022-11-19 08:27:18,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/data/b61a34c71/8c36d4d7d87c48d7bc33c2ebb791b944/FLAG42e90cb2b [2022-11-19 08:27:19,290 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:19,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/sv-benchmarks/c/pthread/singleton.i [2022-11-19 08:27:19,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/data/b61a34c71/8c36d4d7d87c48d7bc33c2ebb791b944/FLAG42e90cb2b [2022-11-19 08:27:19,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/data/b61a34c71/8c36d4d7d87c48d7bc33c2ebb791b944 [2022-11-19 08:27:19,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:19,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:19,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:19,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:19,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:19,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:19" (1/1) ... [2022-11-19 08:27:19,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfa52ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:19, skipping insertion in model container [2022-11-19 08:27:19,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:19" (1/1) ... [2022-11-19 08:27:19,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:19,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:19,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:27:20,236 WARN L234 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_4bbeac2f-759d-470d-a564-301129df873f/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-19 08:27:20,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:20,279 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:20,294 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:27:20,321 WARN L234 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_4bbeac2f-759d-470d-a564-301129df873f/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-19 08:27:20,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:20,409 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:20,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20 WrapperNode [2022-11-19 08:27:20,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:20,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:20,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:20,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:20,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,472 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-11-19 08:27:20,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:20,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:20,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:20,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:20,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:20,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:20,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:20,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:20,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (1/1) ... [2022-11-19 08:27:20,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:20,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:20,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:27:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:27:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:27:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-19 08:27:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-19 08:27:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 08:27:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 08:27:20,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 08:27:20,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 08:27:20,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 08:27:20,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 08:27:20,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:27:20,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:20,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:20,592 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:27:20,737 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:27:20,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:27:21,150 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:27:21,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:27:21,184 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:27:21,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:21 BoogieIcfgContainer [2022-11-19 08:27:21,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:27:21,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:27:21,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:27:21,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:27:21,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:19" (1/3) ... [2022-11-19 08:27:21,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5775ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:21, skipping insertion in model container [2022-11-19 08:27:21,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:20" (2/3) ... [2022-11-19 08:27:21,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5775ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:21, skipping insertion in model container [2022-11-19 08:27:21,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:21" (3/3) ... [2022-11-19 08:27:21,200 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2022-11-19 08:27:21,213 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:27:21,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:27:21,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-19 08:27:21,224 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:27:21,472 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-11-19 08:27:21,536 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:27:21,558 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 272 transitions, 651 flow [2022-11-19 08:27:21,564 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 272 transitions, 651 flow [2022-11-19 08:27:21,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 272 transitions, 651 flow [2022-11-19 08:27:21,697 INFO L130 PetriNetUnfolder]: 6/185 cut-off events. [2022-11-19 08:27:21,698 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-19 08:27:21,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 185 events. 6/185 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 114 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2022-11-19 08:27:21,712 INFO L119 LiptonReduction]: Number of co-enabled transitions 4608 [2022-11-19 08:27:35,072 INFO L134 LiptonReduction]: Checked pairs total: 27650 [2022-11-19 08:27:35,072 INFO L136 LiptonReduction]: Total number of compositions: 163 [2022-11-19 08:27:35,083 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 141 places, 130 transitions, 367 flow [2022-11-19 08:27:38,274 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 53877 states, 53468 states have (on average 4.781158823969477) internal successors, (255639), 53876 states have internal predecessors, (255639), 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) [2022-11-19 08:27:38,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:27:38,331 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;@40852283, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:27:38,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-11-19 08:27:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 53877 states, 53468 states have (on average 4.781158823969477) internal successors, (255639), 53876 states have internal predecessors, (255639), 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) [2022-11-19 08:27:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:27:38,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:38,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:27:38,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:38,619 INFO L85 PathProgramCache]: Analyzing trace with hash 691687736, now seen corresponding path program 1 times [2022-11-19 08:27:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:38,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820910528] [2022-11-19 08:27:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:38,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:38,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820910528] [2022-11-19 08:27:38,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820910528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:38,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:38,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 08:27:38,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865378125] [2022-11-19 08:27:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:38,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:27:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:39,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:27:39,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:27:39,111 INFO L87 Difference]: Start difference. First operand has 53877 states, 53468 states have (on average 4.781158823969477) internal successors, (255639), 53876 states have internal predecessors, (255639), 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) [2022-11-19 08:27:39,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:39,508 INFO L93 Difference]: Finished difference Result 8795 states and 36024 transitions. [2022-11-19 08:27:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:27:39,510 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 [2022-11-19 08:27:39,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:39,626 INFO L225 Difference]: With dead ends: 8795 [2022-11-19 08:27:39,626 INFO L226 Difference]: Without dead ends: 8788 [2022-11-19 08:27:39,627 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 [2022-11-19 08:27:39,632 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:39,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:39,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8788 states. [2022-11-19 08:27:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8788 to 8788. [2022-11-19 08:27:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8788 states, 8777 states have (on average 4.102540731457218) internal successors, (36008), 8787 states have internal predecessors, (36008), 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) [2022-11-19 08:27:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8788 states to 8788 states and 36008 transitions. [2022-11-19 08:27:40,264 INFO L78 Accepts]: Start accepts. Automaton has 8788 states and 36008 transitions. Word has length 5 [2022-11-19 08:27:40,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:40,265 INFO L495 AbstractCegarLoop]: Abstraction has 8788 states and 36008 transitions. [2022-11-19 08:27:40,265 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) [2022-11-19 08:27:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 8788 states and 36008 transitions. [2022-11-19 08:27:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:27:40,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:40,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:40,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:27:40,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:40,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:40,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1719485742, now seen corresponding path program 1 times [2022-11-19 08:27:40,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:40,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279451445] [2022-11-19 08:27:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:40,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:40,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:40,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279451445] [2022-11-19 08:27:40,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279451445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:40,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:40,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:27:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207439177] [2022-11-19 08:27:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:40,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:27:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:40,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:27:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:27:40,645 INFO L87 Difference]: Start difference. First operand 8788 states and 36008 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) [2022-11-19 08:27:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:41,727 INFO L93 Difference]: Finished difference Result 13227 states and 52743 transitions. [2022-11-19 08:27:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:27:41,728 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 [2022-11-19 08:27:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:41,862 INFO L225 Difference]: With dead ends: 13227 [2022-11-19 08:27:41,862 INFO L226 Difference]: Without dead ends: 13203 [2022-11-19 08:27:41,862 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 [2022-11-19 08:27:41,864 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 179 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:41,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 150 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 08:27:41,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13203 states. [2022-11-19 08:27:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13203 to 12285. [2022-11-19 08:27:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12285 states, 12275 states have (on average 4.065580448065173) internal successors, (49905), 12284 states have internal predecessors, (49905), 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) [2022-11-19 08:27:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12285 states to 12285 states and 49905 transitions. [2022-11-19 08:27:42,546 INFO L78 Accepts]: Start accepts. Automaton has 12285 states and 49905 transitions. Word has length 8 [2022-11-19 08:27:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:42,547 INFO L495 AbstractCegarLoop]: Abstraction has 12285 states and 49905 transitions. [2022-11-19 08:27:42,547 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-19 08:27:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 12285 states and 49905 transitions. [2022-11-19 08:27:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:27:42,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:42,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:42,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:42,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:42,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1184251273, now seen corresponding path program 1 times [2022-11-19 08:27:42,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:42,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367094864] [2022-11-19 08:27:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:42,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:42,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367094864] [2022-11-19 08:27:42,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367094864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:42,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:42,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:27:42,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284560125] [2022-11-19 08:27:42,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:42,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:27:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:27:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:42,897 INFO L87 Difference]: Start difference. First operand 12285 states and 49905 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2022-11-19 08:27:43,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:43,477 INFO L93 Difference]: Finished difference Result 12271 states and 49872 transitions. [2022-11-19 08:27:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:43,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2022-11-19 08:27:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:43,554 INFO L225 Difference]: With dead ends: 12271 [2022-11-19 08:27:43,554 INFO L226 Difference]: Without dead ends: 12271 [2022-11-19 08:27:43,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:43,556 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:43,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 58 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:27:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2022-11-19 08:27:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12271. [2022-11-19 08:27:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12271 states, 12262 states have (on average 4.067199478062307) internal successors, (49872), 12270 states have internal predecessors, (49872), 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) [2022-11-19 08:27:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 49872 transitions. [2022-11-19 08:27:44,253 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 49872 transitions. Word has length 8 [2022-11-19 08:27:44,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:44,253 INFO L495 AbstractCegarLoop]: Abstraction has 12271 states and 49872 transitions. [2022-11-19 08:27:44,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2022-11-19 08:27:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 49872 transitions. [2022-11-19 08:27:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:44,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:44,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:44,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:27:44,258 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash 396816011, now seen corresponding path program 1 times [2022-11-19 08:27:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808203106] [2022-11-19 08:27:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:45,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:45,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808203106] [2022-11-19 08:27:45,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808203106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:45,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:45,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:27:45,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191691908] [2022-11-19 08:27:45,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:45,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:45,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:45,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:45,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:27:45,373 INFO L87 Difference]: Start difference. First operand 12271 states and 49872 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:47,153 INFO L93 Difference]: Finished difference Result 17546 states and 68937 transitions. [2022-11-19 08:27:47,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:27:47,153 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:27:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:47,227 INFO L225 Difference]: With dead ends: 17546 [2022-11-19 08:27:47,227 INFO L226 Difference]: Without dead ends: 17535 [2022-11-19 08:27:47,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:27:47,228 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 559 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:47,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 216 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:27:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17535 states. [2022-11-19 08:27:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17535 to 13320. [2022-11-19 08:27:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13320 states, 13311 states have (on average 4.086920591991586) internal successors, (54401), 13319 states have internal predecessors, (54401), 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) [2022-11-19 08:27:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13320 states to 13320 states and 54401 transitions. [2022-11-19 08:27:47,798 INFO L78 Accepts]: Start accepts. Automaton has 13320 states and 54401 transitions. Word has length 22 [2022-11-19 08:27:47,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:47,799 INFO L495 AbstractCegarLoop]: Abstraction has 13320 states and 54401 transitions. [2022-11-19 08:27:47,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13320 states and 54401 transitions. [2022-11-19 08:27:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:47,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:47,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:47,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:27:47,807 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:47,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:47,809 INFO L85 PathProgramCache]: Analyzing trace with hash 702636357, now seen corresponding path program 2 times [2022-11-19 08:27:47,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:47,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918703715] [2022-11-19 08:27:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:47,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:48,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:48,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918703715] [2022-11-19 08:27:48,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918703715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:48,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:48,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:27:48,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263160792] [2022-11-19 08:27:48,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:48,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:48,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:48,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:48,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:27:48,733 INFO L87 Difference]: Start difference. First operand 13320 states and 54401 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:51,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:51,097 INFO L93 Difference]: Finished difference Result 21896 states and 87381 transitions. [2022-11-19 08:27:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:27:51,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:27:51,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:51,215 INFO L225 Difference]: With dead ends: 21896 [2022-11-19 08:27:51,215 INFO L226 Difference]: Without dead ends: 21874 [2022-11-19 08:27:51,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:27:51,216 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 636 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:51,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 316 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 08:27:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21874 states. [2022-11-19 08:27:51,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21874 to 14369. [2022-11-19 08:27:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14369 states, 14360 states have (on average 4.103760445682451) internal successors, (58930), 14368 states have internal predecessors, (58930), 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) [2022-11-19 08:27:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14369 states to 14369 states and 58930 transitions. [2022-11-19 08:27:52,156 INFO L78 Accepts]: Start accepts. Automaton has 14369 states and 58930 transitions. Word has length 22 [2022-11-19 08:27:52,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:52,157 INFO L495 AbstractCegarLoop]: Abstraction has 14369 states and 58930 transitions. [2022-11-19 08:27:52,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 14369 states and 58930 transitions. [2022-11-19 08:27:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:52,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:52,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:52,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:27:52,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:52,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:52,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1237185137, now seen corresponding path program 3 times [2022-11-19 08:27:52,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:52,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950392989] [2022-11-19 08:27:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:52,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:52,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:52,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950392989] [2022-11-19 08:27:52,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950392989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:52,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:52,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:27:52,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103192838] [2022-11-19 08:27:52,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:52,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:52,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:27:52,793 INFO L87 Difference]: Start difference. First operand 14369 states and 58930 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:54,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:54,955 INFO L93 Difference]: Finished difference Result 22980 states and 91989 transitions. [2022-11-19 08:27:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:27:54,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:27:54,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:55,043 INFO L225 Difference]: With dead ends: 22980 [2022-11-19 08:27:55,043 INFO L226 Difference]: Without dead ends: 22974 [2022-11-19 08:27:55,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:27:55,045 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 502 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:55,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 348 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 08:27:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22974 states. [2022-11-19 08:27:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22974 to 16428. [2022-11-19 08:27:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16428 states, 16419 states have (on average 4.127047932273586) internal successors, (67762), 16427 states have internal predecessors, (67762), 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) [2022-11-19 08:27:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16428 states to 16428 states and 67762 transitions. [2022-11-19 08:27:55,707 INFO L78 Accepts]: Start accepts. Automaton has 16428 states and 67762 transitions. Word has length 22 [2022-11-19 08:27:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:55,708 INFO L495 AbstractCegarLoop]: Abstraction has 16428 states and 67762 transitions. [2022-11-19 08:27:55,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16428 states and 67762 transitions. [2022-11-19 08:27:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:55,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:55,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:55,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:27:55,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:55,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1879612767, now seen corresponding path program 4 times [2022-11-19 08:27:55,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:55,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996188978] [2022-11-19 08:27:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:56,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:56,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996188978] [2022-11-19 08:27:56,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996188978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:56,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:56,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:27:56,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078603092] [2022-11-19 08:27:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:56,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:56,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:27:56,316 INFO L87 Difference]: Start difference. First operand 16428 states and 67762 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:58,658 INFO L93 Difference]: Finished difference Result 26219 states and 106982 transitions. [2022-11-19 08:27:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:27:58,658 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:27:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:58,766 INFO L225 Difference]: With dead ends: 26219 [2022-11-19 08:27:58,766 INFO L226 Difference]: Without dead ends: 26213 [2022-11-19 08:27:58,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:27:58,767 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 469 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:58,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 354 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1645 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:27:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26213 states. [2022-11-19 08:27:59,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26213 to 16435. [2022-11-19 08:27:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16435 states, 16426 states have (on average 4.126445878485328) internal successors, (67781), 16434 states have internal predecessors, (67781), 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) [2022-11-19 08:27:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16435 states to 16435 states and 67781 transitions. [2022-11-19 08:27:59,637 INFO L78 Accepts]: Start accepts. Automaton has 16435 states and 67781 transitions. Word has length 22 [2022-11-19 08:27:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:59,638 INFO L495 AbstractCegarLoop]: Abstraction has 16435 states and 67781 transitions. [2022-11-19 08:27:59,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:27:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 16435 states and 67781 transitions. [2022-11-19 08:27:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:59,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:59,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:59,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:27:59,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:27:59,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:59,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1990935547, now seen corresponding path program 5 times [2022-11-19 08:27:59,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:59,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791236518] [2022-11-19 08:27:59,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:00,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:00,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791236518] [2022-11-19 08:28:00,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791236518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:00,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:00,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:28:00,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359310216] [2022-11-19 08:28:00,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:00,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:28:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:28:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:28:00,201 INFO L87 Difference]: Start difference. First operand 16435 states and 67781 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:02,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:02,469 INFO L93 Difference]: Finished difference Result 26131 states and 105438 transitions. [2022-11-19 08:28:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:02,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:28:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:02,554 INFO L225 Difference]: With dead ends: 26131 [2022-11-19 08:28:02,554 INFO L226 Difference]: Without dead ends: 26125 [2022-11-19 08:28:02,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:02,555 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 466 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:02,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 363 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 08:28:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26125 states. [2022-11-19 08:28:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26125 to 17519. [2022-11-19 08:28:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17519 states, 17510 states have (on average 4.134209023415191) internal successors, (72390), 17518 states have internal predecessors, (72390), 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) [2022-11-19 08:28:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17519 states to 17519 states and 72390 transitions. [2022-11-19 08:28:03,214 INFO L78 Accepts]: Start accepts. Automaton has 17519 states and 72390 transitions. Word has length 22 [2022-11-19 08:28:03,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:03,214 INFO L495 AbstractCegarLoop]: Abstraction has 17519 states and 72390 transitions. [2022-11-19 08:28:03,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 17519 states and 72390 transitions. [2022-11-19 08:28:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:28:03,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:03,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:03,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:28:03,223 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:03,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash -641781047, now seen corresponding path program 6 times [2022-11-19 08:28:03,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:03,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546983224] [2022-11-19 08:28:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:03,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:03,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546983224] [2022-11-19 08:28:03,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546983224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:03,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:03,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:28:03,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569157930] [2022-11-19 08:28:03,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:03,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:28:03,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:03,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:28:03,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:28:03,838 INFO L87 Difference]: Start difference. First operand 17519 states and 72390 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:05,687 INFO L93 Difference]: Finished difference Result 21948 states and 90985 transitions. [2022-11-19 08:28:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:28:05,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:28:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:05,773 INFO L225 Difference]: With dead ends: 21948 [2022-11-19 08:28:05,773 INFO L226 Difference]: Without dead ends: 21940 [2022-11-19 08:28:05,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:05,774 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 376 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:05,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 288 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 08:28:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21940 states. [2022-11-19 08:28:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21940 to 13975. [2022-11-19 08:28:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13975 states, 13966 states have (on average 4.140913647429471) internal successors, (57832), 13974 states have internal predecessors, (57832), 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) [2022-11-19 08:28:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13975 states to 13975 states and 57832 transitions. [2022-11-19 08:28:06,546 INFO L78 Accepts]: Start accepts. Automaton has 13975 states and 57832 transitions. Word has length 22 [2022-11-19 08:28:06,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:06,547 INFO L495 AbstractCegarLoop]: Abstraction has 13975 states and 57832 transitions. [2022-11-19 08:28:06,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 13975 states and 57832 transitions. [2022-11-19 08:28:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:28:06,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:06,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:06,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:28:06,550 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:06,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash -987180535, now seen corresponding path program 7 times [2022-11-19 08:28:06,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:06,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857354007] [2022-11-19 08:28:06,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:06,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:07,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:07,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857354007] [2022-11-19 08:28:07,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857354007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:07,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:07,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:28:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155913228] [2022-11-19 08:28:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:07,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:28:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:07,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:28:07,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:28:07,127 INFO L87 Difference]: Start difference. First operand 13975 states and 57832 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:08,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:08,819 INFO L93 Difference]: Finished difference Result 25700 states and 105485 transitions. [2022-11-19 08:28:08,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:08,820 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:28:08,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:08,902 INFO L225 Difference]: With dead ends: 25700 [2022-11-19 08:28:08,902 INFO L226 Difference]: Without dead ends: 25688 [2022-11-19 08:28:08,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:08,903 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 428 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:08,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 289 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:28:09,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25688 states. [2022-11-19 08:28:09,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25688 to 14943. [2022-11-19 08:28:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14943 states, 14934 states have (on average 4.154010981652605) internal successors, (62036), 14942 states have internal predecessors, (62036), 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) [2022-11-19 08:28:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14943 states to 14943 states and 62036 transitions. [2022-11-19 08:28:09,506 INFO L78 Accepts]: Start accepts. Automaton has 14943 states and 62036 transitions. Word has length 22 [2022-11-19 08:28:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:09,506 INFO L495 AbstractCegarLoop]: Abstraction has 14943 states and 62036 transitions. [2022-11-19 08:28:09,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 14943 states and 62036 transitions. [2022-11-19 08:28:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:28:09,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:09,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:09,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:28:09,508 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:09,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:09,509 INFO L85 PathProgramCache]: Analyzing trace with hash 950395593, now seen corresponding path program 8 times [2022-11-19 08:28:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:09,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816976168] [2022-11-19 08:28:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:10,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:10,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816976168] [2022-11-19 08:28:10,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816976168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:10,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:10,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 08:28:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547033052] [2022-11-19 08:28:10,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:10,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:28:10,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:10,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:28:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:28:10,024 INFO L87 Difference]: Start difference. First operand 14943 states and 62036 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:12,197 INFO L93 Difference]: Finished difference Result 22601 states and 92541 transitions. [2022-11-19 08:28:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:12,198 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2022-11-19 08:28:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:12,269 INFO L225 Difference]: With dead ends: 22601 [2022-11-19 08:28:12,269 INFO L226 Difference]: Without dead ends: 22589 [2022-11-19 08:28:12,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:12,270 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 415 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:12,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 374 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 08:28:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22589 states. [2022-11-19 08:28:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22589 to 10636. [2022-11-19 08:28:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10636 states, 10631 states have (on average 4.146364405982504) internal successors, (44080), 10635 states have internal predecessors, (44080), 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) [2022-11-19 08:28:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10636 states to 10636 states and 44080 transitions. [2022-11-19 08:28:12,804 INFO L78 Accepts]: Start accepts. Automaton has 10636 states and 44080 transitions. Word has length 22 [2022-11-19 08:28:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:12,804 INFO L495 AbstractCegarLoop]: Abstraction has 10636 states and 44080 transitions. [2022-11-19 08:28:12,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2022-11-19 08:28:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 10636 states and 44080 transitions. [2022-11-19 08:28:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 08:28:12,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:12,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:12,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:28:12,812 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:12,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:12,813 INFO L85 PathProgramCache]: Analyzing trace with hash -721026014, now seen corresponding path program 1 times [2022-11-19 08:28:12,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:12,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535584461] [2022-11-19 08:28:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:12,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:13,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:13,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535584461] [2022-11-19 08:28:13,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535584461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:13,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:13,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:13,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471895731] [2022-11-19 08:28:13,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:13,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:28:13,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:13,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:28:13,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:28:13,149 INFO L87 Difference]: Start difference. First operand 10636 states and 44080 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-11-19 08:28:13,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:13,641 INFO L93 Difference]: Finished difference Result 17222 states and 69474 transitions. [2022-11-19 08:28:13,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:13,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2022-11-19 08:28:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:13,703 INFO L225 Difference]: With dead ends: 17222 [2022-11-19 08:28:13,703 INFO L226 Difference]: Without dead ends: 17222 [2022-11-19 08:28:13,703 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 [2022-11-19 08:28:13,704 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 68 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:13,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 92 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:28:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17222 states. [2022-11-19 08:28:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17222 to 13132. [2022-11-19 08:28:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13132 states, 13127 states have (on average 4.14504456463777) internal successors, (54412), 13131 states have internal predecessors, (54412), 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) [2022-11-19 08:28:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13132 states to 13132 states and 54412 transitions. [2022-11-19 08:28:14,534 INFO L78 Accepts]: Start accepts. Automaton has 13132 states and 54412 transitions. Word has length 26 [2022-11-19 08:28:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:14,535 INFO L495 AbstractCegarLoop]: Abstraction has 13132 states and 54412 transitions. [2022-11-19 08:28:14,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-11-19 08:28:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 13132 states and 54412 transitions. [2022-11-19 08:28:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:28:14,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:14,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:14,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 08:28:14,569 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:14,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:14,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1145218171, now seen corresponding path program 1 times [2022-11-19 08:28:14,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:14,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033487155] [2022-11-19 08:28:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:14,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033487155] [2022-11-19 08:28:14,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033487155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:14,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:14,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:28:14,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365174521] [2022-11-19 08:28:14,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:14,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 08:28:14,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:14,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 08:28:14,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:28:14,944 INFO L87 Difference]: Start difference. First operand 13132 states and 54412 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 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) [2022-11-19 08:28:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:15,478 INFO L93 Difference]: Finished difference Result 12677 states and 52306 transitions. [2022-11-19 08:28:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:28:15,479 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 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 28 [2022-11-19 08:28:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:15,529 INFO L225 Difference]: With dead ends: 12677 [2022-11-19 08:28:15,530 INFO L226 Difference]: Without dead ends: 12677 [2022-11-19 08:28:15,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:28:15,531 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 153 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:15,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 116 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:28:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12677 states. [2022-11-19 08:28:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12677 to 10069. [2022-11-19 08:28:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10069 states, 10065 states have (on average 4.100347739692002) internal successors, (41270), 10068 states have internal predecessors, (41270), 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) [2022-11-19 08:28:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10069 states to 10069 states and 41270 transitions. [2022-11-19 08:28:15,786 INFO L78 Accepts]: Start accepts. Automaton has 10069 states and 41270 transitions. Word has length 28 [2022-11-19 08:28:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:15,787 INFO L495 AbstractCegarLoop]: Abstraction has 10069 states and 41270 transitions. [2022-11-19 08:28:15,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 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) [2022-11-19 08:28:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 10069 states and 41270 transitions. [2022-11-19 08:28:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 08:28:15,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:15,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:15,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 08:28:15,810 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:15,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:15,810 INFO L85 PathProgramCache]: Analyzing trace with hash -758070583, now seen corresponding path program 1 times [2022-11-19 08:28:15,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:15,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591311367] [2022-11-19 08:28:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:15,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:16,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:16,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591311367] [2022-11-19 08:28:16,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591311367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:16,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:16,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:16,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066216989] [2022-11-19 08:28:16,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:16,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:28:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:16,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:28:16,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:28:16,280 INFO L87 Difference]: Start difference. First operand 10069 states and 41270 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2022-11-19 08:28:16,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:16,641 INFO L93 Difference]: Finished difference Result 12046 states and 47522 transitions. [2022-11-19 08:28:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:16,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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 36 [2022-11-19 08:28:16,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:16,685 INFO L225 Difference]: With dead ends: 12046 [2022-11-19 08:28:16,685 INFO L226 Difference]: Without dead ends: 12046 [2022-11-19 08:28:16,685 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 [2022-11-19 08:28:16,686 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 52 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:16,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 75 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:28:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12046 states. [2022-11-19 08:28:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12046 to 10781. [2022-11-19 08:28:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10781 states, 10777 states have (on average 4.048807645912592) internal successors, (43634), 10780 states have internal predecessors, (43634), 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) [2022-11-19 08:28:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10781 states to 10781 states and 43634 transitions. [2022-11-19 08:28:16,999 INFO L78 Accepts]: Start accepts. Automaton has 10781 states and 43634 transitions. Word has length 36 [2022-11-19 08:28:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:17,000 INFO L495 AbstractCegarLoop]: Abstraction has 10781 states and 43634 transitions. [2022-11-19 08:28:17,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2022-11-19 08:28:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10781 states and 43634 transitions. [2022-11-19 08:28:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 08:28:17,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:17,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:17,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 08:28:17,024 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash -306225684, now seen corresponding path program 1 times [2022-11-19 08:28:17,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:17,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488954827] [2022-11-19 08:28:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:17,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:17,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:17,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488954827] [2022-11-19 08:28:17,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488954827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:17,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:17,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:28:17,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258176122] [2022-11-19 08:28:17,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:17,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 08:28:17,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:17,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 08:28:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:28:17,516 INFO L87 Difference]: Start difference. First operand 10781 states and 43634 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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) [2022-11-19 08:28:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:17,935 INFO L93 Difference]: Finished difference Result 10648 states and 43118 transitions. [2022-11-19 08:28:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:28:17,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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 38 [2022-11-19 08:28:17,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:17,967 INFO L225 Difference]: With dead ends: 10648 [2022-11-19 08:28:17,967 INFO L226 Difference]: Without dead ends: 10648 [2022-11-19 08:28:17,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:28:17,968 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 167 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:17,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 103 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:28:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10648 states. [2022-11-19 08:28:18,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10648 to 9880. [2022-11-19 08:28:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9880 states, 9877 states have (on average 4.096183051533867) internal successors, (40458), 9879 states have internal predecessors, (40458), 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) [2022-11-19 08:28:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 9880 states and 40458 transitions. [2022-11-19 08:28:18,179 INFO L78 Accepts]: Start accepts. Automaton has 9880 states and 40458 transitions. Word has length 38 [2022-11-19 08:28:18,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:18,179 INFO L495 AbstractCegarLoop]: Abstraction has 9880 states and 40458 transitions. [2022-11-19 08:28:18,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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) [2022-11-19 08:28:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 9880 states and 40458 transitions. [2022-11-19 08:28:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-19 08:28:18,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:18,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:18,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 08:28:18,200 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:18,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1625335389, now seen corresponding path program 1 times [2022-11-19 08:28:18,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:18,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741014167] [2022-11-19 08:28:18,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:18,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:18,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741014167] [2022-11-19 08:28:18,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741014167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:18,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:18,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:18,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782576779] [2022-11-19 08:28:18,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:18,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:28:18,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:18,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:28:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:28:18,593 INFO L87 Difference]: Start difference. First operand 9880 states and 40458 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-11-19 08:28:18,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:18,918 INFO L93 Difference]: Finished difference Result 10386 states and 41714 transitions. [2022-11-19 08:28:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:18,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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 46 [2022-11-19 08:28:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:18,959 INFO L225 Difference]: With dead ends: 10386 [2022-11-19 08:28:18,959 INFO L226 Difference]: Without dead ends: 10386 [2022-11-19 08:28:18,959 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 [2022-11-19 08:28:18,960 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 46 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:18,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 70 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:28:18,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10386 states. [2022-11-19 08:28:19,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10386 to 10060. [2022-11-19 08:28:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10060 states, 10057 states have (on average 4.066222531570051) internal successors, (40894), 10059 states have internal predecessors, (40894), 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) [2022-11-19 08:28:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10060 states to 10060 states and 40894 transitions. [2022-11-19 08:28:19,361 INFO L78 Accepts]: Start accepts. Automaton has 10060 states and 40894 transitions. Word has length 46 [2022-11-19 08:28:19,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:19,362 INFO L495 AbstractCegarLoop]: Abstraction has 10060 states and 40894 transitions. [2022-11-19 08:28:19,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-11-19 08:28:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10060 states and 40894 transitions. [2022-11-19 08:28:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 08:28:19,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:19,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:19,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 08:28:19,379 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:19,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1625311995, now seen corresponding path program 1 times [2022-11-19 08:28:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:19,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136807588] [2022-11-19 08:28:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:19,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:19,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:19,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136807588] [2022-11-19 08:28:19,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136807588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:19,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:19,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:28:19,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998200469] [2022-11-19 08:28:19,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:19,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 08:28:19,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:19,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 08:28:19,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:28:19,841 INFO L87 Difference]: Start difference. First operand 10060 states and 40894 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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) [2022-11-19 08:28:20,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:20,262 INFO L93 Difference]: Finished difference Result 10025 states and 40784 transitions. [2022-11-19 08:28:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:28:20,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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 48 [2022-11-19 08:28:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:20,288 INFO L225 Difference]: With dead ends: 10025 [2022-11-19 08:28:20,288 INFO L226 Difference]: Without dead ends: 10025 [2022-11-19 08:28:20,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:28:20,289 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 118 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:20,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 112 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:28:20,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10025 states. [2022-11-19 08:28:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10025 to 9817. [2022-11-19 08:28:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9817 states, 9815 states have (on average 4.098624554253694) internal successors, (40228), 9816 states have internal predecessors, (40228), 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) [2022-11-19 08:28:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9817 states to 9817 states and 40228 transitions. [2022-11-19 08:28:20,586 INFO L78 Accepts]: Start accepts. Automaton has 9817 states and 40228 transitions. Word has length 48 [2022-11-19 08:28:20,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:20,586 INFO L495 AbstractCegarLoop]: Abstraction has 9817 states and 40228 transitions. [2022-11-19 08:28:20,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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) [2022-11-19 08:28:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 9817 states and 40228 transitions. [2022-11-19 08:28:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 08:28:20,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:20,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:20,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 08:28:20,612 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:20,612 INFO L85 PathProgramCache]: Analyzing trace with hash -250145665, now seen corresponding path program 1 times [2022-11-19 08:28:20,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306754493] [2022-11-19 08:28:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:20,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306754493] [2022-11-19 08:28:20,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306754493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:20,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:20,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:20,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389871114] [2022-11-19 08:28:20,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:20,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:28:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:28:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:28:20,980 INFO L87 Difference]: Start difference. First operand 9817 states and 40228 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-11-19 08:28:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:21,214 INFO L93 Difference]: Finished difference Result 9866 states and 40296 transitions. [2022-11-19 08:28:21,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:21,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2022-11-19 08:28:21,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:21,238 INFO L225 Difference]: With dead ends: 9866 [2022-11-19 08:28:21,238 INFO L226 Difference]: Without dead ends: 8870 [2022-11-19 08:28:21,238 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 [2022-11-19 08:28:21,238 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 20 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:21,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 59 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:28:21,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8870 states. [2022-11-19 08:28:21,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8870 to 8855. [2022-11-19 08:28:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8855 states, 8853 states have (on average 4.014571331751949) internal successors, (35541), 8854 states have internal predecessors, (35541), 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) [2022-11-19 08:28:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 35541 transitions. [2022-11-19 08:28:21,582 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 35541 transitions. Word has length 56 [2022-11-19 08:28:21,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:21,582 INFO L495 AbstractCegarLoop]: Abstraction has 8855 states and 35541 transitions. [2022-11-19 08:28:21,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-11-19 08:28:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 35541 transitions. [2022-11-19 08:28:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 08:28:21,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:21,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:21,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 08:28:21,602 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:21,602 INFO L85 PathProgramCache]: Analyzing trace with hash -724582446, now seen corresponding path program 1 times [2022-11-19 08:28:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501113414] [2022-11-19 08:28:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:22,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:22,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501113414] [2022-11-19 08:28:22,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501113414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:22,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:22,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:28:22,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910986414] [2022-11-19 08:28:22,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:22,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 08:28:22,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 08:28:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:28:22,087 INFO L87 Difference]: Start difference. First operand 8855 states and 35541 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 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) [2022-11-19 08:28:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:22,503 INFO L93 Difference]: Finished difference Result 8848 states and 35523 transitions. [2022-11-19 08:28:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:28:22,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 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 58 [2022-11-19 08:28:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:22,521 INFO L225 Difference]: With dead ends: 8848 [2022-11-19 08:28:22,521 INFO L226 Difference]: Without dead ends: 6783 [2022-11-19 08:28:22,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:28:22,522 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 98 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:22,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 112 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:28:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6783 states. [2022-11-19 08:28:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6763. [2022-11-19 08:28:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6763 states, 6762 states have (on average 3.920141969831411) internal successors, (26508), 6762 states have internal predecessors, (26508), 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) [2022-11-19 08:28:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 26508 transitions. [2022-11-19 08:28:22,652 INFO L78 Accepts]: Start accepts. Automaton has 6763 states and 26508 transitions. Word has length 58 [2022-11-19 08:28:22,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:22,652 INFO L495 AbstractCegarLoop]: Abstraction has 6763 states and 26508 transitions. [2022-11-19 08:28:22,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 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) [2022-11-19 08:28:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6763 states and 26508 transitions. [2022-11-19 08:28:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:22,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:22,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:22,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 08:28:22,667 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:22,668 INFO L85 PathProgramCache]: Analyzing trace with hash 37387133, now seen corresponding path program 1 times [2022-11-19 08:28:22,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:22,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011612052] [2022-11-19 08:28:22,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:25,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:25,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011612052] [2022-11-19 08:28:25,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011612052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:25,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:25,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:25,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507751544] [2022-11-19 08:28:25,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:25,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:25,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:25,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:25,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:25,246 INFO L87 Difference]: Start difference. First operand 6763 states and 26508 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:26,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:26,572 INFO L93 Difference]: Finished difference Result 11067 states and 42606 transitions. [2022-11-19 08:28:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:28:26,572 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:26,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:26,594 INFO L225 Difference]: With dead ends: 11067 [2022-11-19 08:28:26,594 INFO L226 Difference]: Without dead ends: 9120 [2022-11-19 08:28:26,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-11-19 08:28:26,595 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 358 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:26,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 215 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 08:28:26,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9120 states. [2022-11-19 08:28:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9120 to 6762. [2022-11-19 08:28:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6762 states, 6761 states have (on average 3.920425972489277) internal successors, (26506), 6761 states have internal predecessors, (26506), 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) [2022-11-19 08:28:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6762 states to 6762 states and 26506 transitions. [2022-11-19 08:28:26,733 INFO L78 Accepts]: Start accepts. Automaton has 6762 states and 26506 transitions. Word has length 67 [2022-11-19 08:28:26,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:26,733 INFO L495 AbstractCegarLoop]: Abstraction has 6762 states and 26506 transitions. [2022-11-19 08:28:26,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 6762 states and 26506 transitions. [2022-11-19 08:28:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:26,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:26,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:26,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 08:28:26,744 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:26,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:26,745 INFO L85 PathProgramCache]: Analyzing trace with hash -344760915, now seen corresponding path program 2 times [2022-11-19 08:28:26,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:26,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517964071] [2022-11-19 08:28:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:29,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:29,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517964071] [2022-11-19 08:28:29,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517964071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:29,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:29,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:29,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243859781] [2022-11-19 08:28:29,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:29,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:29,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:29,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:29,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:29,126 INFO L87 Difference]: Start difference. First operand 6762 states and 26506 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:30,528 INFO L93 Difference]: Finished difference Result 11509 states and 44842 transitions. [2022-11-19 08:28:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:28:30,528 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:30,566 INFO L225 Difference]: With dead ends: 11509 [2022-11-19 08:28:30,567 INFO L226 Difference]: Without dead ends: 10539 [2022-11-19 08:28:30,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:30,568 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 334 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:30,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 212 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 08:28:30,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10539 states. [2022-11-19 08:28:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10539 to 6755. [2022-11-19 08:28:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6755 states, 6754 states have (on average 3.922712466686408) internal successors, (26494), 6754 states have internal predecessors, (26494), 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) [2022-11-19 08:28:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 26494 transitions. [2022-11-19 08:28:30,755 INFO L78 Accepts]: Start accepts. Automaton has 6755 states and 26494 transitions. Word has length 67 [2022-11-19 08:28:30,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:30,755 INFO L495 AbstractCegarLoop]: Abstraction has 6755 states and 26494 transitions. [2022-11-19 08:28:30,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6755 states and 26494 transitions. [2022-11-19 08:28:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:30,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:30,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:30,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 08:28:30,768 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1946348131, now seen corresponding path program 3 times [2022-11-19 08:28:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:30,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213960379] [2022-11-19 08:28:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:32,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:32,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213960379] [2022-11-19 08:28:32,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213960379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:32,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:32,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:32,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156422059] [2022-11-19 08:28:32,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:32,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:32,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:32,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:32,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:32,944 INFO L87 Difference]: Start difference. First operand 6755 states and 26494 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:34,588 INFO L93 Difference]: Finished difference Result 10538 states and 40751 transitions. [2022-11-19 08:28:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:28:34,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:34,612 INFO L225 Difference]: With dead ends: 10538 [2022-11-19 08:28:34,612 INFO L226 Difference]: Without dead ends: 9560 [2022-11-19 08:28:34,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:34,613 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 303 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:34,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 282 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:28:34,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9560 states. [2022-11-19 08:28:34,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9560 to 6755. [2022-11-19 08:28:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6755 states, 6754 states have (on average 3.921676043825881) internal successors, (26487), 6754 states have internal predecessors, (26487), 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) [2022-11-19 08:28:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 26487 transitions. [2022-11-19 08:28:34,752 INFO L78 Accepts]: Start accepts. Automaton has 6755 states and 26487 transitions. Word has length 67 [2022-11-19 08:28:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:34,752 INFO L495 AbstractCegarLoop]: Abstraction has 6755 states and 26487 transitions. [2022-11-19 08:28:34,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6755 states and 26487 transitions. [2022-11-19 08:28:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:34,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:34,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:34,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 08:28:34,763 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:34,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1010445113, now seen corresponding path program 4 times [2022-11-19 08:28:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:34,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655924692] [2022-11-19 08:28:34,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:34,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:36,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:36,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655924692] [2022-11-19 08:28:36,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655924692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:36,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:36,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:36,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059282297] [2022-11-19 08:28:36,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:36,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:36,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:36,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:36,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:36,966 INFO L87 Difference]: Start difference. First operand 6755 states and 26487 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:38,038 INFO L93 Difference]: Finished difference Result 12024 states and 46665 transitions. [2022-11-19 08:28:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:28:38,039 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:38,068 INFO L225 Difference]: With dead ends: 12024 [2022-11-19 08:28:38,068 INFO L226 Difference]: Without dead ends: 11054 [2022-11-19 08:28:38,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:28:38,069 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 334 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:38,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 163 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 08:28:38,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2022-11-19 08:28:38,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 6755. [2022-11-19 08:28:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6755 states, 6754 states have (on average 3.921676043825881) internal successors, (26487), 6754 states have internal predecessors, (26487), 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) [2022-11-19 08:28:38,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 26487 transitions. [2022-11-19 08:28:38,224 INFO L78 Accepts]: Start accepts. Automaton has 6755 states and 26487 transitions. Word has length 67 [2022-11-19 08:28:38,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:38,224 INFO L495 AbstractCegarLoop]: Abstraction has 6755 states and 26487 transitions. [2022-11-19 08:28:38,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 6755 states and 26487 transitions. [2022-11-19 08:28:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:38,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:38,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:38,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 08:28:38,235 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:38,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:38,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1280663933, now seen corresponding path program 5 times [2022-11-19 08:28:38,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:38,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393895324] [2022-11-19 08:28:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:38,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:40,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:40,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393895324] [2022-11-19 08:28:40,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393895324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:40,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:40,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:40,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842776512] [2022-11-19 08:28:40,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:40,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:40,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:40,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:40,024 INFO L87 Difference]: Start difference. First operand 6755 states and 26487 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:41,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:41,574 INFO L93 Difference]: Finished difference Result 11053 states and 42574 transitions. [2022-11-19 08:28:41,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:28:41,576 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:41,604 INFO L225 Difference]: With dead ends: 11053 [2022-11-19 08:28:41,604 INFO L226 Difference]: Without dead ends: 9105 [2022-11-19 08:28:41,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:28:41,605 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 341 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:41,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 254 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:28:41,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9105 states. [2022-11-19 08:28:41,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9105 to 6747. [2022-11-19 08:28:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6747 states, 6746 states have (on average 3.924251408241921) internal successors, (26473), 6746 states have internal predecessors, (26473), 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) [2022-11-19 08:28:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6747 states to 6747 states and 26473 transitions. [2022-11-19 08:28:41,813 INFO L78 Accepts]: Start accepts. Automaton has 6747 states and 26473 transitions. Word has length 67 [2022-11-19 08:28:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:41,813 INFO L495 AbstractCegarLoop]: Abstraction has 6747 states and 26473 transitions. [2022-11-19 08:28:41,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6747 states and 26473 transitions. [2022-11-19 08:28:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:41,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:41,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:41,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 08:28:41,829 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:41,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash 845909123, now seen corresponding path program 6 times [2022-11-19 08:28:41,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:41,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445491939] [2022-11-19 08:28:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:44,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:44,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445491939] [2022-11-19 08:28:44,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445491939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:44,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:44,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:44,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10963536] [2022-11-19 08:28:44,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:44,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:44,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:44,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:44,192 INFO L87 Difference]: Start difference. First operand 6747 states and 26473 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:45,159 INFO L93 Difference]: Finished difference Result 6749 states and 26474 transitions. [2022-11-19 08:28:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:28:45,160 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:45,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:45,178 INFO L225 Difference]: With dead ends: 6749 [2022-11-19 08:28:45,178 INFO L226 Difference]: Without dead ends: 5779 [2022-11-19 08:28:45,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:45,179 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 366 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:45,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 96 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 08:28:45,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5779 states. [2022-11-19 08:28:45,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5779 to 3843. [2022-11-19 08:28:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 3842 states have (on average 3.9495054659031754) internal successors, (15174), 3842 states have internal predecessors, (15174), 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) [2022-11-19 08:28:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 15174 transitions. [2022-11-19 08:28:45,302 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 15174 transitions. Word has length 67 [2022-11-19 08:28:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:45,303 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 15174 transitions. [2022-11-19 08:28:45,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 15174 transitions. [2022-11-19 08:28:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:45,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:45,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:45,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 08:28:45,315 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:45,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:45,316 INFO L85 PathProgramCache]: Analyzing trace with hash 130916795, now seen corresponding path program 7 times [2022-11-19 08:28:45,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:45,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556720462] [2022-11-19 08:28:45,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:45,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:47,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:47,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556720462] [2022-11-19 08:28:47,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556720462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:47,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:47,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:47,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850635671] [2022-11-19 08:28:47,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:47,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:47,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:47,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:47,102 INFO L87 Difference]: Start difference. First operand 3843 states and 15174 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:47,932 INFO L93 Difference]: Finished difference Result 5782 states and 22386 transitions. [2022-11-19 08:28:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:28:47,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:47,946 INFO L225 Difference]: With dead ends: 5782 [2022-11-19 08:28:47,946 INFO L226 Difference]: Without dead ends: 4811 [2022-11-19 08:28:47,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:28:47,947 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 276 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:47,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 112 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:28:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2022-11-19 08:28:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 4811. [2022-11-19 08:28:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4811 states, 4810 states have (on average 3.8035343035343034) internal successors, (18295), 4810 states have internal predecessors, (18295), 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) [2022-11-19 08:28:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4811 states to 4811 states and 18295 transitions. [2022-11-19 08:28:48,044 INFO L78 Accepts]: Start accepts. Automaton has 4811 states and 18295 transitions. Word has length 67 [2022-11-19 08:28:48,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:48,044 INFO L495 AbstractCegarLoop]: Abstraction has 4811 states and 18295 transitions. [2022-11-19 08:28:48,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4811 states and 18295 transitions. [2022-11-19 08:28:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:28:48,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:48,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:48,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 08:28:48,053 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-11-19 08:28:48,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:48,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1413367747, now seen corresponding path program 8 times [2022-11-19 08:28:48,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:48,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029585864] [2022-11-19 08:28:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:49,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:49,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029585864] [2022-11-19 08:28:49,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029585864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:49,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:49,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 08:28:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424712218] [2022-11-19 08:28:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:49,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:28:49,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:49,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:28:49,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:28:49,852 INFO L87 Difference]: Start difference. First operand 4811 states and 18295 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:50,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:50,624 INFO L93 Difference]: Finished difference Result 4810 states and 18294 transitions. [2022-11-19 08:28:50,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:50,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 67 [2022-11-19 08:28:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:50,624 INFO L225 Difference]: With dead ends: 4810 [2022-11-19 08:28:50,624 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:28:50,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-11-19 08:28:50,625 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 302 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:50,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 68 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 08:28:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:28:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:28:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:28:50,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2022-11-19 08:28:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:50,627 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:28:50,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-11-19 08:28:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:28:50,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:28:50,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2022-11-19 08:28:50,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2022-11-19 08:28:50,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2022-11-19 08:28:50,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2022-11-19 08:28:50,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2022-11-19 08:28:50,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 38 remaining) [2022-11-19 08:28:50,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2022-11-19 08:28:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 38 remaining) [2022-11-19 08:28:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 38 remaining) [2022-11-19 08:28:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 38 remaining) [2022-11-19 08:28:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2022-11-19 08:28:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2022-11-19 08:28:50,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2022-11-19 08:28:50,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2022-11-19 08:28:50,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2022-11-19 08:28:50,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2022-11-19 08:28:50,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2022-11-19 08:28:50,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2022-11-19 08:28:50,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 38 remaining) [2022-11-19 08:28:50,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2022-11-19 08:28:50,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2022-11-19 08:28:50,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2022-11-19 08:28:50,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2022-11-19 08:28:50,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2022-11-19 08:28:50,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2022-11-19 08:28:50,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2022-11-19 08:28:50,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 38 remaining) [2022-11-19 08:28:50,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 38 remaining) [2022-11-19 08:28:50,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 38 remaining) [2022-11-19 08:28:50,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2022-11-19 08:28:50,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2022-11-19 08:28:50,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2022-11-19 08:28:50,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2022-11-19 08:28:50,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2022-11-19 08:28:50,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2022-11-19 08:28:50,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2022-11-19 08:28:50,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2022-11-19 08:28:50,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2022-11-19 08:28:50,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 08:28:50,641 INFO L444 BasicCegarLoop]: Path program histogram: [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:50,647 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:28:50,647 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:28:50,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:28:50 BasicIcfg [2022-11-19 08:28:50,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:28:50,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:28:50,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:28:50,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:28:50,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:21" (3/4) ... [2022-11-19 08:28:50,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:28:50,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2022-11-19 08:28:50,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 08:28:50,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 08:28:50,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 08:28:50,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-19 08:28:50,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:28:50,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:28:50,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:28:50,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:28:50,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:28:50,692 INFO L158 Benchmark]: Toolchain (without parser) took 91123.10ms. Allocated memory was 132.1MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 89.9MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. [2022-11-19 08:28:50,694 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:28:50,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.51ms. Allocated memory is still 132.1MB. Free memory was 89.6MB in the beginning and 82.1MB in the end (delta: 7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:28:50,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 79.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:50,696 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 77.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:50,696 INFO L158 Benchmark]: RCFGBuilder took 679.94ms. Allocated memory is still 132.1MB. Free memory was 77.2MB in the beginning and 54.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:50,696 INFO L158 Benchmark]: TraceAbstraction took 89460.70ms. Allocated memory was 132.1MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 54.2MB in the beginning and 5.7GB in the end (delta: -5.7GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. [2022-11-19 08:28:50,696 INFO L158 Benchmark]: Witness Printer took 41.49ms. Allocated memory is still 10.6GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:50,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.51ms. Allocated memory is still 132.1MB. Free memory was 89.6MB in the beginning and 82.1MB in the end (delta: 7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 79.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 77.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.94ms. Allocated memory is still 132.1MB. Free memory was 77.2MB in the beginning and 54.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 89460.70ms. Allocated memory was 132.1MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 54.2MB in the beginning and 5.7GB in the end (delta: -5.7GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. * Witness Printer took 41.49ms. Allocated memory is still 10.6GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.5s, 282 PlacesBefore, 141 PlacesAfterwards, 272 TransitionsBefore, 130 TransitionsAfterwards, 4608 CoEnabledTransitionPairs, 6 FixpointIterations, 95 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 163 TotalNumberOfCompositions, 27650 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12160, independent: 11459, independent conditional: 0, independent unconditional: 11459, dependent: 696, dependent conditional: 0, dependent unconditional: 696, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3018, independent: 2842, independent conditional: 0, independent unconditional: 2842, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3018, independent: 2503, independent conditional: 0, independent unconditional: 2503, dependent: 515, dependent conditional: 0, dependent unconditional: 515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 515, independent: 339, independent conditional: 0, independent unconditional: 339, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7461, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 6608, dependent conditional: 0, dependent unconditional: 6608, unknown: 101, unknown conditional: 0, unknown unconditional: 101] ], Cache Queries: [ total: 12160, independent: 8617, independent conditional: 0, independent unconditional: 8617, dependent: 521, dependent conditional: 0, dependent unconditional: 521, unknown: 3022, unknown conditional: 0, unknown unconditional: 3022] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 988, Positive conditional cache size: 0, Positive unconditional cache size: 988, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 317 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 89.1s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.5s, AutomataDifference: 33.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7394 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7394 mSDsluCounter, 4943 SdHoareTripleChecker+Invalid, 21.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3275 mSDsCounter, 3522 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22708 IncrementalHoareTripleChecker+Invalid, 26230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3522 mSolverCounterUnsat, 1668 mSDtfsCounter, 22708 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 539 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53877occurred in iteration=0, InterpolantAutomatonStates: 257, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 95071 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.7s InterpolantComputationTime, 1069 NumberOfCodeBlocks, 1069 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1042 ConstructedInterpolants, 0 QuantifiedInterpolants, 27245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:28:50,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbeac2f-759d-470d-a564-301129df873f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE