./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/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_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/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_f85228e2-9eb9-433e-a854-94f40fbb14f8/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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- 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 06:52:12,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:52:12,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:52:12,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:52:12,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:52:12,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:52:12,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:52:12,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:52:12,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:52:12,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:52:12,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:52:12,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:52:12,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:52:12,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:52:12,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:52:12,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:52:12,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:52:12,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:52:12,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:52:12,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:52:12,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:52:12,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:52:12,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:52:12,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:52:12,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:52:12,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:52:12,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:52:12,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:52:12,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:52:12,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:52:12,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:52:12,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:52:12,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:52:12,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:52:12,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:52:12,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:52:12,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:52:12,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:52:12,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:52:12,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:52:12,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:52:12,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:52:12,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:52:12,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:52:12,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:52:12,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:52:12,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:52:12,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:52:12,439 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:52:12,440 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:52:12,440 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:52:12,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:52:12,440 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:52:12,440 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:52:12,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:52:12,441 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:52:12,441 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:52:12,441 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:52:12,442 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:52:12,442 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:52:12,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:52:12,443 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:52:12,443 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:52:12,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:52:12,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:52:12,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:52:12,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:52:12,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:52:12,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:52:12,445 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:52:12,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:52:12,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:52:12,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:52:12,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:52:12,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:52:12,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:52:12,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:12,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:52:12,447 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:52:12,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:52:12,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:52:12,448 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:52:12,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:52:12,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:52:12,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:52:12,449 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_f85228e2-9eb9-433e-a854-94f40fbb14f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2022-11-19 06:52:12,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:52:12,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:52:12,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:52:12,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:52:12,824 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:52:12,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-11-19 06:52:12,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/data/c68fd0aa2/7d3ef68e63d8409a8a485033e7abdafb/FLAGb575cf7fa [2022-11-19 06:52:13,431 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:52:13,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-11-19 06:52:13,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/data/c68fd0aa2/7d3ef68e63d8409a8a485033e7abdafb/FLAGb575cf7fa [2022-11-19 06:52:13,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/data/c68fd0aa2/7d3ef68e63d8409a8a485033e7abdafb [2022-11-19 06:52:13,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:52:13,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:52:13,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:13,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:52:13,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:52:13,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:13" (1/1) ... [2022-11-19 06:52:13,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0d84db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:13, skipping insertion in model container [2022-11-19 06:52:13,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:13" (1/1) ... [2022-11-19 06:52:13,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:52:13,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:52:14,130 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:52:14,340 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_f85228e2-9eb9-433e-a854-94f40fbb14f8/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-11-19 06:52:14,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:14,366 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:52:14,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:52:14,428 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_f85228e2-9eb9-433e-a854-94f40fbb14f8/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-11-19 06:52:14,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:14,480 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:52:14,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14 WrapperNode [2022-11-19 06:52:14,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:14,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:14,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:52:14,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:52:14,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,554 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 178 [2022-11-19 06:52:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:14,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:52:14,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:52:14,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:52:14,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:52:14,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:52:14,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:52:14,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:52:14,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (1/1) ... [2022-11-19 06:52:14,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:14,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:52:14,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:52:14,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:52:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:52:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:52:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:52:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-11-19 06:52:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:52:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:52:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:52:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-11-19 06:52:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-11-19 06:52:14,700 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 06:52:14,830 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:52:14,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:52:15,200 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:52:15,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:52:15,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:52:15,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:15 BoogieIcfgContainer [2022-11-19 06:52:15,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:52:15,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:52:15,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:52:15,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:52:15,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:52:13" (1/3) ... [2022-11-19 06:52:15,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6623d465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:15, skipping insertion in model container [2022-11-19 06:52:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:14" (2/3) ... [2022-11-19 06:52:15,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6623d465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:15, skipping insertion in model container [2022-11-19 06:52:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:15" (3/3) ... [2022-11-19 06:52:15,377 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2022-11-19 06:52:15,391 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:52:15,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:52:15,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-19 06:52:15,403 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:52:15,492 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-19 06:52:15,527 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:52:15,545 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 170 transitions, 372 flow [2022-11-19 06:52:15,548 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 170 transitions, 372 flow [2022-11-19 06:52:15,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 170 transitions, 372 flow [2022-11-19 06:52:15,702 INFO L130 PetriNetUnfolder]: 2/166 cut-off events. [2022-11-19 06:52:15,702 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-19 06:52:15,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 166 events. 2/166 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 249 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2022-11-19 06:52:15,734 INFO L119 LiptonReduction]: Number of co-enabled transitions 8762 [2022-11-19 06:52:21,770 INFO L134 LiptonReduction]: Checked pairs total: 30494 [2022-11-19 06:52:21,770 INFO L136 LiptonReduction]: Total number of compositions: 174 [2022-11-19 06:52:21,785 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 75 transitions, 182 flow [2022-11-19 06:52:26,250 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 106199 states, 98329 states have (on average 4.620223942072023) internal successors, (454302), 106198 states have internal predecessors, (454302), 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 06:52:26,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:52:26,291 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;@7f97b01d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:52:26,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2022-11-19 06:52:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 106199 states, 98329 states have (on average 4.620223942072023) internal successors, (454302), 106198 states have internal predecessors, (454302), 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 06:52:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 06:52:26,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:26,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 06:52:26,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:26,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:26,448 INFO L85 PathProgramCache]: Analyzing trace with hash 697673, now seen corresponding path program 1 times [2022-11-19 06:52:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:26,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968213005] [2022-11-19 06:52:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:26,657 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 06:52:26,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:26,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968213005] [2022-11-19 06:52:26,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968213005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:26,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:26,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 06:52:26,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004259553] [2022-11-19 06:52:26,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:26,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:52:26,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:26,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:52:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:52:26,912 INFO L87 Difference]: Start difference. First operand has 106199 states, 98329 states have (on average 4.620223942072023) internal successors, (454302), 106198 states have internal predecessors, (454302), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 06:52:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:27,178 INFO L93 Difference]: Finished difference Result 6399 states and 24349 transitions. [2022-11-19 06:52:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:52:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-19 06:52:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:27,261 INFO L225 Difference]: With dead ends: 6399 [2022-11-19 06:52:27,262 INFO L226 Difference]: Without dead ends: 5714 [2022-11-19 06:52:27,263 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 06:52:27,267 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:27,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:27,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2022-11-19 06:52:27,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 5714. [2022-11-19 06:52:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5714 states, 5711 states have (on average 3.7907546839432675) internal successors, (21649), 5713 states have internal predecessors, (21649), 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 06:52:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 21649 transitions. [2022-11-19 06:52:27,855 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 21649 transitions. Word has length 3 [2022-11-19 06:52:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:27,856 INFO L495 AbstractCegarLoop]: Abstraction has 5714 states and 21649 transitions. [2022-11-19 06:52:27,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 06:52:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 21649 transitions. [2022-11-19 06:52:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:52:27,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:27,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:52:27,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:52:27,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:27,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash -689926117, now seen corresponding path program 1 times [2022-11-19 06:52:27,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061009461] [2022-11-19 06:52:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:27,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:27,985 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 06:52:27,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:27,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061009461] [2022-11-19 06:52:27,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061009461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:27,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:27,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:52:27,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623844798] [2022-11-19 06:52:27,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:27,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:28,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:28,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:28,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:28,001 INFO L87 Difference]: Start difference. First operand 5714 states and 21649 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:28,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:28,301 INFO L93 Difference]: Finished difference Result 6430 states and 24282 transitions. [2022-11-19 06:52:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:28,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:52:28,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:28,356 INFO L225 Difference]: With dead ends: 6430 [2022-11-19 06:52:28,356 INFO L226 Difference]: Without dead ends: 6366 [2022-11-19 06:52:28,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:28,358 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:28,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:52:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2022-11-19 06:52:28,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 6366. [2022-11-19 06:52:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 6363 states have (on average 3.775891874901776) internal successors, (24026), 6365 states have internal predecessors, (24026), 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 06:52:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 24026 transitions. [2022-11-19 06:52:28,720 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 24026 transitions. Word has length 6 [2022-11-19 06:52:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:28,721 INFO L495 AbstractCegarLoop]: Abstraction has 6366 states and 24026 transitions. [2022-11-19 06:52:28,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 24026 transitions. [2022-11-19 06:52:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:52:28,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:28,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:52:28,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:28,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1065200649, now seen corresponding path program 1 times [2022-11-19 06:52:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:28,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543544906] [2022-11-19 06:52:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:28,852 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 06:52:28,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:28,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543544906] [2022-11-19 06:52:28,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543544906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:28,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:28,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:28,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948042273] [2022-11-19 06:52:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:28,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:28,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:28,855 INFO L87 Difference]: Start difference. First operand 6366 states and 24026 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:28,969 INFO L93 Difference]: Finished difference Result 3166 states and 9187 transitions. [2022-11-19 06:52:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:28,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 06:52:28,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:28,986 INFO L225 Difference]: With dead ends: 3166 [2022-11-19 06:52:28,986 INFO L226 Difference]: Without dead ends: 3118 [2022-11-19 06:52:28,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:28,988 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:28,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 4 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:28,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2022-11-19 06:52:29,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 3118. [2022-11-19 06:52:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3104 states have (on average 2.9239690721649483) internal successors, (9076), 3117 states have internal predecessors, (9076), 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 06:52:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 9076 transitions. [2022-11-19 06:52:29,075 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 9076 transitions. Word has length 10 [2022-11-19 06:52:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:29,075 INFO L495 AbstractCegarLoop]: Abstraction has 3118 states and 9076 transitions. [2022-11-19 06:52:29,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 9076 transitions. [2022-11-19 06:52:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:52:29,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:29,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:29,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:52:29,077 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:29,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:29,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1689464827, now seen corresponding path program 2 times [2022-11-19 06:52:29,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:29,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245498959] [2022-11-19 06:52:29,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:29,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:29,149 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 06:52:29,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:29,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245498959] [2022-11-19 06:52:29,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245498959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:29,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:29,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:29,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272416561] [2022-11-19 06:52:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:29,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:52:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:29,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:52:29,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:52:29,151 INFO L87 Difference]: Start difference. First operand 3118 states and 9076 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:29,301 INFO L93 Difference]: Finished difference Result 1394 states and 3185 transitions. [2022-11-19 06:52:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:52:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 06:52:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:29,306 INFO L225 Difference]: With dead ends: 1394 [2022-11-19 06:52:29,306 INFO L226 Difference]: Without dead ends: 1366 [2022-11-19 06:52:29,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:52:29,308 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 46 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:29,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 12 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:29,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2022-11-19 06:52:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1254. [2022-11-19 06:52:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1244 states have (on average 2.3263665594855305) internal successors, (2894), 1253 states have internal predecessors, (2894), 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 06:52:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 2894 transitions. [2022-11-19 06:52:29,339 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 2894 transitions. Word has length 10 [2022-11-19 06:52:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:29,339 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 2894 transitions. [2022-11-19 06:52:29,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 2894 transitions. [2022-11-19 06:52:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:52:29,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:29,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:29,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:52:29,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:29,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:29,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1367356997, now seen corresponding path program 1 times [2022-11-19 06:52:29,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:29,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257136276] [2022-11-19 06:52:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:29,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:29,472 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 06:52:29,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:29,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257136276] [2022-11-19 06:52:29,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257136276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:29,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:29,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:52:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512223429] [2022-11-19 06:52:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:29,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:29,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:29,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:29,475 INFO L87 Difference]: Start difference. First operand 1254 states and 2894 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:29,579 INFO L93 Difference]: Finished difference Result 1276 states and 2920 transitions. [2022-11-19 06:52:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:29,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 06:52:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:29,584 INFO L225 Difference]: With dead ends: 1276 [2022-11-19 06:52:29,584 INFO L226 Difference]: Without dead ends: 990 [2022-11-19 06:52:29,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:29,585 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:29,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2022-11-19 06:52:29,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2022-11-19 06:52:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 986 states have (on average 2.3032454361054766) internal successors, (2271), 989 states have internal predecessors, (2271), 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 06:52:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 2271 transitions. [2022-11-19 06:52:29,615 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 2271 transitions. Word has length 10 [2022-11-19 06:52:29,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:29,616 INFO L495 AbstractCegarLoop]: Abstraction has 990 states and 2271 transitions. [2022-11-19 06:52:29,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:52:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 2271 transitions. [2022-11-19 06:52:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:52:29,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:29,620 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] [2022-11-19 06:52:29,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:52:29,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:29,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:29,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1573072764, now seen corresponding path program 1 times [2022-11-19 06:52:29,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:29,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019169669] [2022-11-19 06:52:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:29,823 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 06:52:29,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:29,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019169669] [2022-11-19 06:52:29,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019169669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:29,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:29,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:52:29,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298736565] [2022-11-19 06:52:29,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:29,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:52:29,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:29,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:52:29,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:29,828 INFO L87 Difference]: Start difference. First operand 990 states and 2271 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:52:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:30,012 INFO L93 Difference]: Finished difference Result 1118 states and 2511 transitions. [2022-11-19 06:52:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:52:30,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2022-11-19 06:52:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:30,017 INFO L225 Difference]: With dead ends: 1118 [2022-11-19 06:52:30,017 INFO L226 Difference]: Without dead ends: 854 [2022-11-19 06:52:30,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:30,024 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 49 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:30,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 14 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:52:30,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-11-19 06:52:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 798. [2022-11-19 06:52:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 794 states have (on average 2.1448362720403025) internal successors, (1703), 797 states have internal predecessors, (1703), 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 06:52:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1703 transitions. [2022-11-19 06:52:30,047 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1703 transitions. Word has length 20 [2022-11-19 06:52:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:30,048 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1703 transitions. [2022-11-19 06:52:30,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:52:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1703 transitions. [2022-11-19 06:52:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:52:30,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:30,050 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] [2022-11-19 06:52:30,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:52:30,051 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-19 06:52:30,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:30,052 INFO L85 PathProgramCache]: Analyzing trace with hash 864384648, now seen corresponding path program 2 times [2022-11-19 06:52:30,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:30,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813831883] [2022-11-19 06:52:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:30,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:30,212 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 06:52:30,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:30,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813831883] [2022-11-19 06:52:30,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813831883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:30,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:30,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:52:30,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658068122] [2022-11-19 06:52:30,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:30,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:52:30,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:30,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:52:30,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:30,215 INFO L87 Difference]: Start difference. First operand 798 states and 1703 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:52:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:30,312 INFO L93 Difference]: Finished difference Result 302 states and 519 transitions. [2022-11-19 06:52:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:52:30,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2022-11-19 06:52:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:30,314 INFO L225 Difference]: With dead ends: 302 [2022-11-19 06:52:30,314 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:52:30,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:30,315 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 53 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:30,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 4 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:30,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:52:30,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:52:30,317 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 06:52:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:52:30,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-19 06:52:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:30,318 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:52:30,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:52:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:52:30,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:52:30,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2022-11-19 06:52:30,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2022-11-19 06:52:30,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2022-11-19 06:52:30,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2022-11-19 06:52:30,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2022-11-19 06:52:30,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2022-11-19 06:52:30,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2022-11-19 06:52:30,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2022-11-19 06:52:30,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2022-11-19 06:52:30,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2022-11-19 06:52:30,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2022-11-19 06:52:30,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2022-11-19 06:52:30,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2022-11-19 06:52:30,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 50 remaining) [2022-11-19 06:52:30,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 50 remaining) [2022-11-19 06:52:30,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 50 remaining) [2022-11-19 06:52:30,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 50 remaining) [2022-11-19 06:52:30,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2022-11-19 06:52:30,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2022-11-19 06:52:30,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2022-11-19 06:52:30,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2022-11-19 06:52:30,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2022-11-19 06:52:30,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2022-11-19 06:52:30,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2022-11-19 06:52:30,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2022-11-19 06:52:30,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2022-11-19 06:52:30,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2022-11-19 06:52:30,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2022-11-19 06:52:30,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2022-11-19 06:52:30,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2022-11-19 06:52:30,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2022-11-19 06:52:30,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2022-11-19 06:52:30,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2022-11-19 06:52:30,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2022-11-19 06:52:30,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2022-11-19 06:52:30,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2022-11-19 06:52:30,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2022-11-19 06:52:30,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2022-11-19 06:52:30,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2022-11-19 06:52:30,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2022-11-19 06:52:30,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2022-11-19 06:52:30,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2022-11-19 06:52:30,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2022-11-19 06:52:30,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2022-11-19 06:52:30,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2022-11-19 06:52:30,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2022-11-19 06:52:30,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2022-11-19 06:52:30,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2022-11-19 06:52:30,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2022-11-19 06:52:30,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2022-11-19 06:52:30,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:52:30,337 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2022-11-19 06:52:30,343 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:52:30,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:52:30,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:52:30 BasicIcfg [2022-11-19 06:52:30,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:52:30,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:52:30,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:52:30,347 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:52:30,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:15" (3/4) ... [2022-11-19 06:52:30,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:52:30,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2022-11-19 06:52:30,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2022-11-19 06:52:30,360 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-19 06:52:30,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 06:52:30,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:52:30,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:52:30,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:52:30,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:52:30,395 INFO L158 Benchmark]: Toolchain (without parser) took 16532.80ms. Allocated memory was 98.6MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 61.1MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 441.9MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,395 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:52:30,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.92ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 64.3MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.68ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 61.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,396 INFO L158 Benchmark]: Boogie Preprocessor took 68.15ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 59.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:52:30,397 INFO L158 Benchmark]: RCFGBuilder took 742.55ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 59.8MB in the beginning and 107.0MB in the end (delta: -47.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,397 INFO L158 Benchmark]: TraceAbstraction took 14978.06ms. Allocated memory was 140.5MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 106.2MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 443.2MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,398 INFO L158 Benchmark]: Witness Printer took 47.69ms. Allocated memory is still 5.9GB. Free memory was 5.4GB in the beginning and 5.4GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:52:30,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.92ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 64.3MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.68ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 61.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.15ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 59.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 742.55ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 59.8MB in the beginning and 107.0MB in the end (delta: -47.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 14978.06ms. Allocated memory was 140.5MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 106.2MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 443.2MB. Max. memory is 16.1GB. * Witness Printer took 47.69ms. Allocated memory is still 5.9GB. Free memory was 5.4GB in the beginning and 5.4GB in the end (delta: 3.1MB). 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: 6.2s, 181 PlacesBefore, 88 PlacesAfterwards, 170 TransitionsBefore, 75 TransitionsAfterwards, 8762 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 138 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 174 TotalNumberOfCompositions, 30494 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16965, independent: 16603, independent conditional: 0, independent unconditional: 16603, dependent: 362, dependent conditional: 0, dependent unconditional: 362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6770, independent: 6689, independent conditional: 0, independent unconditional: 6689, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6770, independent: 6297, independent conditional: 0, independent unconditional: 6297, dependent: 473, dependent conditional: 0, dependent unconditional: 473, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 473, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 528, independent: 337, independent conditional: 0, independent unconditional: 337, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16965, independent: 9914, independent conditional: 0, independent unconditional: 9914, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 6770, unknown conditional: 0, unknown unconditional: 6770] , Statistics on independence cache: Total cache size (in pairs): 1018, Positive cache size: 976, Positive conditional cache size: 0, Positive unconditional cache size: 976, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: 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 7 procedures, 211 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 730 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 27 mSDtfsCounter, 730 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106199occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 168 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:52:30,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f85228e2-9eb9-433e-a854-94f40fbb14f8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE