./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur --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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- 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-38b53e6 [2022-11-26 00:24:54,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:24:54,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:24:54,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:24:54,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:24:54,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:24:54,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:24:54,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:24:54,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:24:54,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:24:54,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:24:54,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:24:54,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:24:54,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:24:54,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:24:54,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:24:54,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:24:54,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:24:54,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:24:54,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:24:54,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:24:54,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:24:54,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:24:54,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:24:54,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:24:54,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:24:54,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:24:54,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:24:54,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:24:54,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:24:54,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:24:54,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:24:54,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:24:54,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:24:54,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:24:54,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:24:54,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:24:54,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:24:54,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:24:54,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:24:54,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:24:54,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:24:54,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:24:54,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:24:54,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:24:54,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:24:54,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:24:54,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:24:54,691 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:24:54,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:24:54,692 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:24:54,692 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:24:54,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:24:54,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:24:54,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:24:54,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:24:54,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:24:54,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:24:54,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:24:54,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:24:54,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:24:54,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:24:54,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:24:54,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:24:54,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:24:54,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:24:54,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:24:54,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:24:54,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:24:54,697 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:24:54,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:24:54,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:24:54,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:24:54,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:24:54,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:24:54,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:24:54,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:54,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:24:54,699 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:24:54,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:24:54,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:24:54,700 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:24:54,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:24:54,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:24:54,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:24:54,701 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_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2022-11-26 00:24:54,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:24:54,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:24:54,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:24:54,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:24:54,990 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:24:54,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-11-26 00:24:58,034 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:24:58,336 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:24:58,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2022-11-26 00:24:58,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/data/2753751c0/dbe6561f694147eca7b462d747f91fa9/FLAGcf26e3f90 [2022-11-26 00:24:58,374 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/data/2753751c0/dbe6561f694147eca7b462d747f91fa9 [2022-11-26 00:24:58,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:24:58,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:24:58,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:58,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:24:58,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:24:58,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:58" (1/1) ... [2022-11-26 00:24:58,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740c06a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:58, skipping insertion in model container [2022-11-26 00:24:58,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:58" (1/1) ... [2022-11-26 00:24:58,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:24:58,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:24:58,735 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:24:59,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-11-26 00:24:59,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:24:59,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:24:59,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:24:59,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:24:59,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:59,187 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:24:59,217 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:24:59,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-11-26 00:24:59,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:24:59,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:24:59,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:24:59,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:24:59,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:59,366 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:24:59,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59 WrapperNode [2022-11-26 00:24:59,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:59,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:59,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:24:59,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:24:59,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,449 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-11-26 00:24:59,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:59,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:24:59,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:24:59,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:24:59,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,511 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:24:59,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:24:59,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:24:59,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:24:59,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2022-11-26 00:24:59,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:59,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:24:59,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:24:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:24:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:24:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:24:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:24:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:24:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-26 00:24:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-26 00:24:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-26 00:24:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-26 00:24:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-26 00:24:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-26 00:24:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-26 00:24:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-26 00:24:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:24:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:24:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:24:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:24:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:24:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:24:59,617 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:24:59,790 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:24:59,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:25:00,226 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:25:00,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:25:00,300 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:25:00,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:00 BoogieIcfgContainer [2022-11-26 00:25:00,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:25:00,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:25:00,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:25:00,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:25:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:24:58" (1/3) ... [2022-11-26 00:25:00,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660357f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:00, skipping insertion in model container [2022-11-26 00:25:00,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (2/3) ... [2022-11-26 00:25:00,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660357f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:00, skipping insertion in model container [2022-11-26 00:25:00,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:00" (3/3) ... [2022-11-26 00:25:00,313 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2022-11-26 00:25:00,322 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:25:00,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:25:00,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-11-26 00:25:00,333 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:25:00,581 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-11-26 00:25:00,649 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:25:00,680 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 285 transitions, 677 flow [2022-11-26 00:25:00,683 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 285 transitions, 677 flow [2022-11-26 00:25:00,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 285 transitions, 677 flow [2022-11-26 00:25:00,781 INFO L130 PetriNetUnfolder]: 7/198 cut-off events. [2022-11-26 00:25:00,781 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-26 00:25:00,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 198 events. 7/198 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 165. Up to 3 conditions per place. [2022-11-26 00:25:00,801 INFO L119 LiptonReduction]: Number of co-enabled transitions 4608 [2022-11-26 00:25:15,685 INFO L134 LiptonReduction]: Checked pairs total: 30838 [2022-11-26 00:25:15,685 INFO L136 LiptonReduction]: Total number of compositions: 184 [2022-11-26 00:25:15,694 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143 places, 132 transitions, 371 flow [2022-11-26 00:25:18,642 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 53879 states, 53468 states have (on average 4.781196229520461) internal successors, (255641), 53878 states have internal predecessors, (255641), 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) [2022-11-26 00:25:18,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:25:18,687 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;@5c53b42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:25:18,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-11-26 00:25:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 53879 states, 53468 states have (on average 4.781196229520461) internal successors, (255641), 53878 states have internal predecessors, (255641), 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) [2022-11-26 00:25:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:25:18,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:18,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:25:18,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:18,944 INFO L85 PathProgramCache]: Analyzing trace with hash 740648784, now seen corresponding path program 1 times [2022-11-26 00:25:18,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:18,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461470885] [2022-11-26 00:25:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:19,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:19,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461470885] [2022-11-26 00:25:19,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461470885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:19,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:19,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:25:19,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85499303] [2022-11-26 00:25:19,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:19,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:25:19,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:19,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:25:19,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:25:19,576 INFO L87 Difference]: Start difference. First operand has 53879 states, 53468 states have (on average 4.781196229520461) internal successors, (255641), 53878 states have internal predecessors, (255641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:20,199 INFO L93 Difference]: Finished difference Result 8795 states and 36024 transitions. [2022-11-26 00:25:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:25:20,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:25:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:20,382 INFO L225 Difference]: With dead ends: 8795 [2022-11-26 00:25:20,390 INFO L226 Difference]: Without dead ends: 8788 [2022-11-26 00:25:20,392 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 [2022-11-26 00:25:20,400 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:20,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:25:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8788 states. [2022-11-26 00:25:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8788 to 8788. [2022-11-26 00:25:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8788 states, 8777 states have (on average 4.102540731457218) internal successors, (36008), 8787 states have internal predecessors, (36008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8788 states to 8788 states and 36008 transitions. [2022-11-26 00:25:21,080 INFO L78 Accepts]: Start accepts. Automaton has 8788 states and 36008 transitions. Word has length 5 [2022-11-26 00:25:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:21,080 INFO L495 AbstractCegarLoop]: Abstraction has 8788 states and 36008 transitions. [2022-11-26 00:25:21,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 8788 states and 36008 transitions. [2022-11-26 00:25:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:25:21,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:21,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:21,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:25:21,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:21,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:21,084 INFO L85 PathProgramCache]: Analyzing trace with hash -206138992, now seen corresponding path program 1 times [2022-11-26 00:25:21,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:21,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835778943] [2022-11-26 00:25:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:21,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:21,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835778943] [2022-11-26 00:25:21,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835778943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:21,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:21,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:25:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229293569] [2022-11-26 00:25:21,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:21,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:25:21,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:25:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:25:21,584 INFO L87 Difference]: Start difference. First operand 8788 states and 36008 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:22,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:22,830 INFO L93 Difference]: Finished difference Result 13227 states and 52743 transitions. [2022-11-26 00:25:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:25:22,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:25:22,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:22,926 INFO L225 Difference]: With dead ends: 13227 [2022-11-26 00:25:22,927 INFO L226 Difference]: Without dead ends: 13203 [2022-11-26 00:25:22,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:25:22,928 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 178 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:22,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 174 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:25:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13203 states. [2022-11-26 00:25:23,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13203 to 12285. [2022-11-26 00:25:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12285 states, 12275 states have (on average 4.065580448065173) internal successors, (49905), 12284 states have internal predecessors, (49905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12285 states to 12285 states and 49905 transitions. [2022-11-26 00:25:23,788 INFO L78 Accepts]: Start accepts. Automaton has 12285 states and 49905 transitions. Word has length 8 [2022-11-26 00:25:23,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:23,789 INFO L495 AbstractCegarLoop]: Abstraction has 12285 states and 49905 transitions. [2022-11-26 00:25:23,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12285 states and 49905 transitions. [2022-11-26 00:25:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:25:23,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:23,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:23,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:25:23,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1420326979, now seen corresponding path program 1 times [2022-11-26 00:25:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:23,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701211462] [2022-11-26 00:25:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:24,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:24,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701211462] [2022-11-26 00:25:24,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701211462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:24,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:24,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:25:24,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774484678] [2022-11-26 00:25:24,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:24,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:25:24,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:24,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:25:24,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:24,068 INFO L87 Difference]: Start difference. First operand 12285 states and 49905 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:24,406 INFO L93 Difference]: Finished difference Result 12271 states and 49872 transitions. [2022-11-26 00:25:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:25:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:25:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:24,598 INFO L225 Difference]: With dead ends: 12271 [2022-11-26 00:25:24,599 INFO L226 Difference]: Without dead ends: 12271 [2022-11-26 00:25:24,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:24,603 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:24,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 58 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:25:24,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2022-11-26 00:25:25,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12271. [2022-11-26 00:25:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12271 states, 12262 states have (on average 4.067199478062307) internal successors, (49872), 12270 states have internal predecessors, (49872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 49872 transitions. [2022-11-26 00:25:25,137 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 49872 transitions. Word has length 8 [2022-11-26 00:25:25,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:25,138 INFO L495 AbstractCegarLoop]: Abstraction has 12271 states and 49872 transitions. [2022-11-26 00:25:25,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 49872 transitions. [2022-11-26 00:25:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:25,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:25,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:25,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:25:25,148 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:25,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:25,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1601907228, now seen corresponding path program 1 times [2022-11-26 00:25:25,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:25,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584879097] [2022-11-26 00:25:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:25,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:26,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:26,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584879097] [2022-11-26 00:25:26,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584879097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:26,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:26,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:26,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864261186] [2022-11-26 00:25:26,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:26,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:26,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:26,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:26,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:26,205 INFO L87 Difference]: Start difference. First operand 12271 states and 49872 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:27,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:27,878 INFO L93 Difference]: Finished difference Result 17138 states and 69052 transitions. [2022-11-26 00:25:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:25:27,878 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:27,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:27,998 INFO L225 Difference]: With dead ends: 17138 [2022-11-26 00:25:27,998 INFO L226 Difference]: Without dead ends: 17126 [2022-11-26 00:25:27,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:28,002 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 494 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:28,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 195 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:25:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17126 states. [2022-11-26 00:25:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17126 to 14397. [2022-11-26 00:25:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14397 states, 14388 states have (on average 4.101056435918821) internal successors, (59006), 14396 states have internal predecessors, (59006), 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) [2022-11-26 00:25:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14397 states to 14397 states and 59006 transitions. [2022-11-26 00:25:28,709 INFO L78 Accepts]: Start accepts. Automaton has 14397 states and 59006 transitions. Word has length 22 [2022-11-26 00:25:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:28,711 INFO L495 AbstractCegarLoop]: Abstraction has 14397 states and 59006 transitions. [2022-11-26 00:25:28,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 14397 states and 59006 transitions. [2022-11-26 00:25:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:28,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:28,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:28,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:25:28,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:28,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:28,721 INFO L85 PathProgramCache]: Analyzing trace with hash 346521030, now seen corresponding path program 2 times [2022-11-26 00:25:28,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:28,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933421295] [2022-11-26 00:25:28,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:28,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:29,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:29,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933421295] [2022-11-26 00:25:29,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933421295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:29,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:29,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608846350] [2022-11-26 00:25:29,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:29,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:29,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:29,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:29,542 INFO L87 Difference]: Start difference. First operand 14397 states and 59006 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:31,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:31,873 INFO L93 Difference]: Finished difference Result 20392 states and 82863 transitions. [2022-11-26 00:25:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:25:31,874 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:32,012 INFO L225 Difference]: With dead ends: 20392 [2022-11-26 00:25:32,013 INFO L226 Difference]: Without dead ends: 20380 [2022-11-26 00:25:32,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:25:32,014 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 463 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:32,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 358 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:25:32,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20380 states. [2022-11-26 00:25:32,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20380 to 15481. [2022-11-26 00:25:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15481 states, 15472 states have (on average 4.111297828335057) internal successors, (63610), 15480 states have internal predecessors, (63610), 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) [2022-11-26 00:25:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15481 states to 15481 states and 63610 transitions. [2022-11-26 00:25:32,785 INFO L78 Accepts]: Start accepts. Automaton has 15481 states and 63610 transitions. Word has length 22 [2022-11-26 00:25:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:32,786 INFO L495 AbstractCegarLoop]: Abstraction has 15481 states and 63610 transitions. [2022-11-26 00:25:32,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 15481 states and 63610 transitions. [2022-11-26 00:25:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:32,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:32,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:32,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:25:32,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:32,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1347554496, now seen corresponding path program 3 times [2022-11-26 00:25:32,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:32,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091757032] [2022-11-26 00:25:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:33,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:33,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091757032] [2022-11-26 00:25:33,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091757032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:33,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:33,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:33,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858019815] [2022-11-26 00:25:33,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:33,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:33,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:33,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:33,520 INFO L87 Difference]: Start difference. First operand 15481 states and 63610 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:35,498 INFO L93 Difference]: Finished difference Result 22568 states and 92084 transitions. [2022-11-26 00:25:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:25:35,498 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:35,626 INFO L225 Difference]: With dead ends: 22568 [2022-11-26 00:25:35,626 INFO L226 Difference]: Without dead ends: 22556 [2022-11-26 00:25:35,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:35,628 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 423 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:35,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 315 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:25:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22556 states. [2022-11-26 00:25:36,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22556 to 16565. [2022-11-26 00:25:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16565 states, 16556 states have (on average 4.120500120802126) internal successors, (68219), 16564 states have internal predecessors, (68219), 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) [2022-11-26 00:25:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16565 states to 16565 states and 68219 transitions. [2022-11-26 00:25:36,412 INFO L78 Accepts]: Start accepts. Automaton has 16565 states and 68219 transitions. Word has length 22 [2022-11-26 00:25:36,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:36,413 INFO L495 AbstractCegarLoop]: Abstraction has 16565 states and 68219 transitions. [2022-11-26 00:25:36,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 16565 states and 68219 transitions. [2022-11-26 00:25:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:36,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:36,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:36,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:25:36,416 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 187576544, now seen corresponding path program 4 times [2022-11-26 00:25:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:36,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526565661] [2022-11-26 00:25:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:37,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:37,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526565661] [2022-11-26 00:25:37,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526565661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:37,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:37,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:37,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848211465] [2022-11-26 00:25:37,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:37,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:37,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:37,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:37,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:37,176 INFO L87 Difference]: Start difference. First operand 16565 states and 68219 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:38,635 INFO L93 Difference]: Finished difference Result 20995 states and 86815 transitions. [2022-11-26 00:25:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:25:38,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:38,744 INFO L225 Difference]: With dead ends: 20995 [2022-11-26 00:25:38,744 INFO L226 Difference]: Without dead ends: 20979 [2022-11-26 00:25:38,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:38,745 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 378 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:38,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 240 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:25:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20979 states. [2022-11-26 00:25:39,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20979 to 13021. [2022-11-26 00:25:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13021 states, 13012 states have (on average 4.123962496157393) internal successors, (53661), 13020 states have internal predecessors, (53661), 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) [2022-11-26 00:25:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13021 states to 13021 states and 53661 transitions. [2022-11-26 00:25:39,407 INFO L78 Accepts]: Start accepts. Automaton has 13021 states and 53661 transitions. Word has length 22 [2022-11-26 00:25:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:39,408 INFO L495 AbstractCegarLoop]: Abstraction has 13021 states and 53661 transitions. [2022-11-26 00:25:39,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 13021 states and 53661 transitions. [2022-11-26 00:25:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:39,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:39,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:39,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:25:39,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:39,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash 943508252, now seen corresponding path program 5 times [2022-11-26 00:25:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116389155] [2022-11-26 00:25:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:39,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:40,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:40,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116389155] [2022-11-26 00:25:40,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116389155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:40,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:40,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330933336] [2022-11-26 00:25:40,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:40,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:40,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:40,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:40,078 INFO L87 Difference]: Start difference. First operand 13021 states and 53661 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:41,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:41,786 INFO L93 Difference]: Finished difference Result 22587 states and 90879 transitions. [2022-11-26 00:25:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:25:41,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:41,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:41,879 INFO L225 Difference]: With dead ends: 22587 [2022-11-26 00:25:41,879 INFO L226 Difference]: Without dead ends: 22575 [2022-11-26 00:25:41,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:41,880 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 453 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:41,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 245 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:25:41,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22575 states. [2022-11-26 00:25:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22575 to 13028. [2022-11-26 00:25:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13028 states, 13019 states have (on average 4.123204547200245) internal successors, (53680), 13027 states have internal predecessors, (53680), 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) [2022-11-26 00:25:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13028 states to 13028 states and 53680 transitions. [2022-11-26 00:25:42,479 INFO L78 Accepts]: Start accepts. Automaton has 13028 states and 53680 transitions. Word has length 22 [2022-11-26 00:25:42,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:42,479 INFO L495 AbstractCegarLoop]: Abstraction has 13028 states and 53680 transitions. [2022-11-26 00:25:42,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 13028 states and 53680 transitions. [2022-11-26 00:25:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:42,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:42,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:42,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:25:42,483 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:42,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:42,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1403030786, now seen corresponding path program 6 times [2022-11-26 00:25:42,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:42,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656691035] [2022-11-26 00:25:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:42,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:43,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:43,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656691035] [2022-11-26 00:25:43,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656691035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:43,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:43,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559403780] [2022-11-26 00:25:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:43,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:43,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:43,218 INFO L87 Difference]: Start difference. First operand 13028 states and 53680 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:45,392 INFO L93 Difference]: Finished difference Result 25841 states and 104690 transitions. [2022-11-26 00:25:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:25:45,393 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:45,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:45,488 INFO L225 Difference]: With dead ends: 25841 [2022-11-26 00:25:45,489 INFO L226 Difference]: Without dead ends: 25829 [2022-11-26 00:25:45,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:25:45,491 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 526 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:45,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 333 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:25:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25829 states. [2022-11-26 00:25:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25829 to 13021. [2022-11-26 00:25:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13021 states, 13012 states have (on average 4.123962496157393) internal successors, (53661), 13020 states have internal predecessors, (53661), 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) [2022-11-26 00:25:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13021 states to 13021 states and 53661 transitions. [2022-11-26 00:25:46,348 INFO L78 Accepts]: Start accepts. Automaton has 13021 states and 53661 transitions. Word has length 22 [2022-11-26 00:25:46,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:46,348 INFO L495 AbstractCegarLoop]: Abstraction has 13021 states and 53661 transitions. [2022-11-26 00:25:46,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 13021 states and 53661 transitions. [2022-11-26 00:25:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:46,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:46,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:46,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:25:46,350 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:46,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1197860984, now seen corresponding path program 7 times [2022-11-26 00:25:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:46,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347369397] [2022-11-26 00:25:46,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:46,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:46,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:46,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347369397] [2022-11-26 00:25:46,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347369397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:46,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:46,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:46,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527109200] [2022-11-26 00:25:46,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:46,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:46,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:46,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:46,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:46,926 INFO L87 Difference]: Start difference. First operand 13021 states and 53661 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:49,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:49,271 INFO L93 Difference]: Finished difference Result 26269 states and 105883 transitions. [2022-11-26 00:25:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:25:49,272 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:49,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:49,368 INFO L225 Difference]: With dead ends: 26269 [2022-11-26 00:25:49,368 INFO L226 Difference]: Without dead ends: 26257 [2022-11-26 00:25:49,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:49,369 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 426 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:49,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 422 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:25:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26257 states. [2022-11-26 00:25:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26257 to 11926. [2022-11-26 00:25:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11926 states, 11917 states have (on average 4.114206595619703) internal successors, (49029), 11925 states have internal predecessors, (49029), 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) [2022-11-26 00:25:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11926 states to 11926 states and 49029 transitions. [2022-11-26 00:25:49,867 INFO L78 Accepts]: Start accepts. Automaton has 11926 states and 49029 transitions. Word has length 22 [2022-11-26 00:25:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:49,867 INFO L495 AbstractCegarLoop]: Abstraction has 11926 states and 49029 transitions. [2022-11-26 00:25:49,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 11926 states and 49029 transitions. [2022-11-26 00:25:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:49,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:49,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:49,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:25:49,869 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:49,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1030370780, now seen corresponding path program 8 times [2022-11-26 00:25:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:49,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664180351] [2022-11-26 00:25:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:49,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:50,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:50,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664180351] [2022-11-26 00:25:50,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664180351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:50,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:50,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034529433] [2022-11-26 00:25:50,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:50,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:50,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:50,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:50,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:50,435 INFO L87 Difference]: Start difference. First operand 11926 states and 49029 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:53,174 INFO L93 Difference]: Finished difference Result 23142 states and 92703 transitions. [2022-11-26 00:25:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:25:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:53,258 INFO L225 Difference]: With dead ends: 23142 [2022-11-26 00:25:53,259 INFO L226 Difference]: Without dead ends: 23130 [2022-11-26 00:25:53,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:25:53,260 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 447 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:53,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 440 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:25:53,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23130 states. [2022-11-26 00:25:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23130 to 11912. [2022-11-26 00:25:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11912 states, 11903 states have (on average 4.115853146265647) internal successors, (48991), 11911 states have internal predecessors, (48991), 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) [2022-11-26 00:25:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 11912 states and 48991 transitions. [2022-11-26 00:25:53,754 INFO L78 Accepts]: Start accepts. Automaton has 11912 states and 48991 transitions. Word has length 22 [2022-11-26 00:25:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:53,755 INFO L495 AbstractCegarLoop]: Abstraction has 11912 states and 48991 transitions. [2022-11-26 00:25:53,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 11912 states and 48991 transitions. [2022-11-26 00:25:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:25:53,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:53,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:53,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:25:53,757 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:53,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:53,758 INFO L85 PathProgramCache]: Analyzing trace with hash 918057478, now seen corresponding path program 9 times [2022-11-26 00:25:53,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:53,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108898975] [2022-11-26 00:25:53,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:54,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:54,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108898975] [2022-11-26 00:25:54,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108898975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:54,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:54,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:25:54,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161491651] [2022-11-26 00:25:54,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:54,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:25:54,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:54,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:25:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:54,547 INFO L87 Difference]: Start difference. First operand 11912 states and 48991 transitions. Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:56,919 INFO L93 Difference]: Finished difference Result 22044 states and 88232 transitions. [2022-11-26 00:25:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:25:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:25:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:56,993 INFO L225 Difference]: With dead ends: 22044 [2022-11-26 00:25:56,993 INFO L226 Difference]: Without dead ends: 22032 [2022-11-26 00:25:56,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:25:56,994 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 463 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:56,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 369 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:25:57,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22032 states. [2022-11-26 00:25:57,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22032 to 7718. [2022-11-26 00:25:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7718 states, 7713 states have (on average 4.073641903280176) internal successors, (31420), 7717 states have internal predecessors, (31420), 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) [2022-11-26 00:25:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7718 states to 7718 states and 31420 transitions. [2022-11-26 00:25:57,275 INFO L78 Accepts]: Start accepts. Automaton has 7718 states and 31420 transitions. Word has length 22 [2022-11-26 00:25:57,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:57,275 INFO L495 AbstractCegarLoop]: Abstraction has 7718 states and 31420 transitions. [2022-11-26 00:25:57,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7718 states and 31420 transitions. [2022-11-26 00:25:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:25:57,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:57,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:57,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:25:57,281 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:57,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:57,281 INFO L85 PathProgramCache]: Analyzing trace with hash -622760530, now seen corresponding path program 1 times [2022-11-26 00:25:57,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:57,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172162581] [2022-11-26 00:25:57,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:57,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:57,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:57,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172162581] [2022-11-26 00:25:57,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172162581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:57,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:57,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:25:57,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174010753] [2022-11-26 00:25:57,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:57,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:25:57,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:57,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:25:57,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:25:57,607 INFO L87 Difference]: Start difference. First operand 7718 states and 31420 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:58,082 INFO L93 Difference]: Finished difference Result 12387 states and 49076 transitions. [2022-11-26 00:25:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:25:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-26 00:25:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:58,137 INFO L225 Difference]: With dead ends: 12387 [2022-11-26 00:25:58,137 INFO L226 Difference]: Without dead ends: 12387 [2022-11-26 00:25:58,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:25:58,139 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 68 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:58,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 109 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:25:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12387 states. [2022-11-26 00:25:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12387 to 9434. [2022-11-26 00:25:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9434 states, 9429 states have (on average 4.0742390497401635) internal successors, (38416), 9433 states have internal predecessors, (38416), 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) [2022-11-26 00:25:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 38416 transitions. [2022-11-26 00:25:58,447 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 38416 transitions. Word has length 26 [2022-11-26 00:25:58,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:58,449 INFO L495 AbstractCegarLoop]: Abstraction has 9434 states and 38416 transitions. [2022-11-26 00:25:58,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 38416 transitions. [2022-11-26 00:25:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:25:58,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:58,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:58,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:25:58,461 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:58,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1277131676, now seen corresponding path program 1 times [2022-11-26 00:25:58,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:58,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184708413] [2022-11-26 00:25:58,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:58,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:58,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:58,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184708413] [2022-11-26 00:25:58,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184708413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:58,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:58,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:25:58,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96328111] [2022-11-26 00:25:58,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:58,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:25:58,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:58,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:25:58,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:25:58,951 INFO L87 Difference]: Start difference. First operand 9434 states and 38416 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:59,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:59,434 INFO L93 Difference]: Finished difference Result 8979 states and 36505 transitions. [2022-11-26 00:25:59,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:25:59,434 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-26 00:25:59,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:59,471 INFO L225 Difference]: With dead ends: 8979 [2022-11-26 00:25:59,471 INFO L226 Difference]: Without dead ends: 8979 [2022-11-26 00:25:59,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:25:59,472 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 236 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:59,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 107 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:25:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8979 states. [2022-11-26 00:25:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8979 to 7151. [2022-11-26 00:25:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7151 states, 7147 states have (on average 4.037078494473206) internal successors, (28853), 7150 states have internal predecessors, (28853), 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) [2022-11-26 00:25:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7151 states to 7151 states and 28853 transitions. [2022-11-26 00:25:59,698 INFO L78 Accepts]: Start accepts. Automaton has 7151 states and 28853 transitions. Word has length 28 [2022-11-26 00:25:59,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:59,700 INFO L495 AbstractCegarLoop]: Abstraction has 7151 states and 28853 transitions. [2022-11-26 00:25:59,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7151 states and 28853 transitions. [2022-11-26 00:25:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:25:59,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:59,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:59,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:25:59,719 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:25:59,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1216317484, now seen corresponding path program 1 times [2022-11-26 00:25:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:59,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301707630] [2022-11-26 00:25:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:00,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:00,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301707630] [2022-11-26 00:26:00,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301707630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:00,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:00,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:26:00,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561864121] [2022-11-26 00:26:00,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:00,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:26:00,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:00,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:26:00,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:00,160 INFO L87 Difference]: Start difference. First operand 7151 states and 28853 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:00,530 INFO L93 Difference]: Finished difference Result 8549 states and 33169 transitions. [2022-11-26 00:26:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:26:00,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-26 00:26:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:00,554 INFO L225 Difference]: With dead ends: 8549 [2022-11-26 00:26:00,554 INFO L226 Difference]: Without dead ends: 8549 [2022-11-26 00:26:00,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:00,555 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 36 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:00,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 106 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:26:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2022-11-26 00:26:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 7635. [2022-11-26 00:26:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7635 states, 7631 states have (on average 3.987026602018084) internal successors, (30425), 7634 states have internal predecessors, (30425), 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) [2022-11-26 00:26:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7635 states to 7635 states and 30425 transitions. [2022-11-26 00:26:00,751 INFO L78 Accepts]: Start accepts. Automaton has 7635 states and 30425 transitions. Word has length 36 [2022-11-26 00:26:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:00,751 INFO L495 AbstractCegarLoop]: Abstraction has 7635 states and 30425 transitions. [2022-11-26 00:26:00,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 7635 states and 30425 transitions. [2022-11-26 00:26:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:26:00,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:00,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:00,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:26:00,773 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 685324840, now seen corresponding path program 1 times [2022-11-26 00:26:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455193121] [2022-11-26 00:26:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:01,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:01,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455193121] [2022-11-26 00:26:01,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455193121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:01,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:01,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:26:01,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892881800] [2022-11-26 00:26:01,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:01,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:26:01,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:01,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:26:01,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:26:01,293 INFO L87 Difference]: Start difference. First operand 7635 states and 30425 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:01,801 INFO L93 Difference]: Finished difference Result 7502 states and 29966 transitions. [2022-11-26 00:26:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:26:01,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-26 00:26:01,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:01,831 INFO L225 Difference]: With dead ends: 7502 [2022-11-26 00:26:01,832 INFO L226 Difference]: Without dead ends: 7502 [2022-11-26 00:26:01,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:26:01,833 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 134 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:01,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 112 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:26:01,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7502 states. [2022-11-26 00:26:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7502 to 6962. [2022-11-26 00:26:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6962 states, 6959 states have (on average 4.041097858887771) internal successors, (28122), 6961 states have internal predecessors, (28122), 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) [2022-11-26 00:26:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 28122 transitions. [2022-11-26 00:26:02,040 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 28122 transitions. Word has length 38 [2022-11-26 00:26:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:02,040 INFO L495 AbstractCegarLoop]: Abstraction has 6962 states and 28122 transitions. [2022-11-26 00:26:02,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 28122 transitions. [2022-11-26 00:26:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:26:02,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:02,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:02,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:26:02,064 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:02,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1978947082, now seen corresponding path program 1 times [2022-11-26 00:26:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:02,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112568886] [2022-11-26 00:26:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:02,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:02,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112568886] [2022-11-26 00:26:02,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112568886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:02,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:02,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:26:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014205281] [2022-11-26 00:26:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:02,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:26:02,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:02,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:26:02,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:02,441 INFO L87 Difference]: Start difference. First operand 6962 states and 28122 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:02,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:02,709 INFO L93 Difference]: Finished difference Result 7315 states and 28972 transitions. [2022-11-26 00:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:26:02,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-11-26 00:26:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:02,739 INFO L225 Difference]: With dead ends: 7315 [2022-11-26 00:26:02,739 INFO L226 Difference]: Without dead ends: 7315 [2022-11-26 00:26:02,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:02,740 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 36 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:02,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 65 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:26:02,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2022-11-26 00:26:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 7082. [2022-11-26 00:26:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7082 states, 7079 states have (on average 4.012148608560532) internal successors, (28402), 7081 states have internal predecessors, (28402), 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) [2022-11-26 00:26:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7082 states to 7082 states and 28402 transitions. [2022-11-26 00:26:03,026 INFO L78 Accepts]: Start accepts. Automaton has 7082 states and 28402 transitions. Word has length 46 [2022-11-26 00:26:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:03,026 INFO L495 AbstractCegarLoop]: Abstraction has 7082 states and 28402 transitions. [2022-11-26 00:26:03,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 7082 states and 28402 transitions. [2022-11-26 00:26:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:26:03,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:03,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:03,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:26:03,047 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:03,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1967755320, now seen corresponding path program 1 times [2022-11-26 00:26:03,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:03,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527667838] [2022-11-26 00:26:03,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:03,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:03,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527667838] [2022-11-26 00:26:03,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527667838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:03,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:03,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:26:03,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489803238] [2022-11-26 00:26:03,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:26:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:03,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:26:03,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:26:03,582 INFO L87 Difference]: Start difference. First operand 7082 states and 28402 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:03,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:03,981 INFO L93 Difference]: Finished difference Result 7047 states and 28307 transitions. [2022-11-26 00:26:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:26:03,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-26 00:26:03,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:04,005 INFO L225 Difference]: With dead ends: 7047 [2022-11-26 00:26:04,006 INFO L226 Difference]: Without dead ends: 7047 [2022-11-26 00:26:04,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:26:04,007 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 140 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:04,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 104 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:26:04,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7047 states. [2022-11-26 00:26:04,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7047 to 6899. [2022-11-26 00:26:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6899 states, 6897 states have (on average 4.047991880527766) internal successors, (27919), 6898 states have internal predecessors, (27919), 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) [2022-11-26 00:26:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6899 states to 6899 states and 27919 transitions. [2022-11-26 00:26:04,207 INFO L78 Accepts]: Start accepts. Automaton has 6899 states and 27919 transitions. Word has length 48 [2022-11-26 00:26:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:04,207 INFO L495 AbstractCegarLoop]: Abstraction has 6899 states and 27919 transitions. [2022-11-26 00:26:04,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6899 states and 27919 transitions. [2022-11-26 00:26:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:26:04,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:04,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:04,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:26:04,228 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:04,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:04,228 INFO L85 PathProgramCache]: Analyzing trace with hash -311176470, now seen corresponding path program 1 times [2022-11-26 00:26:04,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:04,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970907594] [2022-11-26 00:26:04,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:04,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:04,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970907594] [2022-11-26 00:26:04,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970907594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:04,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:04,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:26:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278123157] [2022-11-26 00:26:04,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:04,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:26:04,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:04,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:26:04,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:04,669 INFO L87 Difference]: Start difference. First operand 6899 states and 27919 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:04,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:04,914 INFO L93 Difference]: Finished difference Result 6927 states and 27951 transitions. [2022-11-26 00:26:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:26:04,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-11-26 00:26:04,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:04,929 INFO L225 Difference]: With dead ends: 6927 [2022-11-26 00:26:04,929 INFO L226 Difference]: Without dead ends: 5931 [2022-11-26 00:26:04,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:04,930 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 24 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:04,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 68 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:26:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2022-11-26 00:26:05,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 5925. [2022-11-26 00:26:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5925 states, 5923 states have (on average 3.9685969947661657) internal successors, (23506), 5924 states have internal predecessors, (23506), 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) [2022-11-26 00:26:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5925 states to 5925 states and 23506 transitions. [2022-11-26 00:26:05,037 INFO L78 Accepts]: Start accepts. Automaton has 5925 states and 23506 transitions. Word has length 56 [2022-11-26 00:26:05,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:05,037 INFO L495 AbstractCegarLoop]: Abstraction has 5925 states and 23506 transitions. [2022-11-26 00:26:05,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5925 states and 23506 transitions. [2022-11-26 00:26:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 00:26:05,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:05,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:05,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:26:05,048 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:05,049 INFO L85 PathProgramCache]: Analyzing trace with hash 350982695, now seen corresponding path program 1 times [2022-11-26 00:26:05,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:05,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059871179] [2022-11-26 00:26:05,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:05,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:05,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:05,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059871179] [2022-11-26 00:26:05,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059871179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:05,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:05,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:26:05,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025767929] [2022-11-26 00:26:05,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:05,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:26:05,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:05,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:26:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:26:05,551 INFO L87 Difference]: Start difference. First operand 5925 states and 23506 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:05,847 INFO L93 Difference]: Finished difference Result 5918 states and 23491 transitions. [2022-11-26 00:26:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:26:05,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-26 00:26:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:05,858 INFO L225 Difference]: With dead ends: 5918 [2022-11-26 00:26:05,858 INFO L226 Difference]: Without dead ends: 3853 [2022-11-26 00:26:05,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:26:05,860 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 111 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:05,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 91 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:26:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2022-11-26 00:26:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3845. [2022-11-26 00:26:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 3844 states have (on average 3.9484911550468262) internal successors, (15178), 3844 states have internal predecessors, (15178), 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) [2022-11-26 00:26:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 15178 transitions. [2022-11-26 00:26:05,933 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 15178 transitions. Word has length 58 [2022-11-26 00:26:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:05,933 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 15178 transitions. [2022-11-26 00:26:05,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 15178 transitions. [2022-11-26 00:26:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:05,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:05,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:05,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:26:05,941 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:05,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:05,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1622159145, now seen corresponding path program 1 times [2022-11-26 00:26:05,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:05,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273420075] [2022-11-26 00:26:05,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:05,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:08,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:08,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273420075] [2022-11-26 00:26:08,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273420075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:08,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:08,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:26:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141403698] [2022-11-26 00:26:08,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:08,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:26:08,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:26:08,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:26:08,531 INFO L87 Difference]: Start difference. First operand 3845 states and 15178 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:09,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:09,554 INFO L93 Difference]: Finished difference Result 6700 states and 25435 transitions. [2022-11-26 00:26:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:26:09,555 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:09,569 INFO L225 Difference]: With dead ends: 6700 [2022-11-26 00:26:09,569 INFO L226 Difference]: Without dead ends: 5722 [2022-11-26 00:26:09,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:26:09,570 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 286 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:09,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 120 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:26:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5722 states. [2022-11-26 00:26:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5722 to 3852. [2022-11-26 00:26:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3851 states have (on average 3.944430018177097) internal successors, (15190), 3851 states have internal predecessors, (15190), 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) [2022-11-26 00:26:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 15190 transitions. [2022-11-26 00:26:09,690 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 15190 transitions. Word has length 67 [2022-11-26 00:26:09,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:09,690 INFO L495 AbstractCegarLoop]: Abstraction has 3852 states and 15190 transitions. [2022-11-26 00:26:09,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 15190 transitions. [2022-11-26 00:26:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:09,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:09,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:09,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:26:09,699 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:09,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1019017629, now seen corresponding path program 2 times [2022-11-26 00:26:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:09,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585291872] [2022-11-26 00:26:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:09,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:11,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:11,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585291872] [2022-11-26 00:26:11,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585291872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:11,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:11,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:26:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774374535] [2022-11-26 00:26:11,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:11,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:26:11,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:11,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:26:11,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:26:11,794 INFO L87 Difference]: Start difference. First operand 3852 states and 15190 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:12,933 INFO L93 Difference]: Finished difference Result 7661 states and 29505 transitions. [2022-11-26 00:26:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:26:12,933 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:12,951 INFO L225 Difference]: With dead ends: 7661 [2022-11-26 00:26:12,951 INFO L226 Difference]: Without dead ends: 6690 [2022-11-26 00:26:12,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:26:12,952 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 292 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:12,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 146 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:26:12,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6690 states. [2022-11-26 00:26:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6690 to 4820. [2022-11-26 00:26:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4819 states have (on average 3.7997509856816767) internal successors, (18311), 4819 states have internal predecessors, (18311), 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) [2022-11-26 00:26:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 18311 transitions. [2022-11-26 00:26:13,105 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 18311 transitions. Word has length 67 [2022-11-26 00:26:13,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:13,105 INFO L495 AbstractCegarLoop]: Abstraction has 4820 states and 18311 transitions. [2022-11-26 00:26:13,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 18311 transitions. [2022-11-26 00:26:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:13,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:13,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:13,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:26:13,115 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:13,116 INFO L85 PathProgramCache]: Analyzing trace with hash 124507011, now seen corresponding path program 3 times [2022-11-26 00:26:13,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:13,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074486936] [2022-11-26 00:26:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:13,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:15,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:15,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074486936] [2022-11-26 00:26:15,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074486936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:15,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:15,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:26:15,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250966903] [2022-11-26 00:26:15,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:15,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:26:15,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:15,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:26:15,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:26:15,092 INFO L87 Difference]: Start difference. First operand 4820 states and 18311 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:16,383 INFO L93 Difference]: Finished difference Result 8332 states and 31178 transitions. [2022-11-26 00:26:16,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:26:16,384 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:16,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:16,398 INFO L225 Difference]: With dead ends: 8332 [2022-11-26 00:26:16,398 INFO L226 Difference]: Without dead ends: 5401 [2022-11-26 00:26:16,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:26:16,399 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 261 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:16,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 171 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:26:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2022-11-26 00:26:16,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 3829. [2022-11-26 00:26:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 3828 states have (on average 3.954022988505747) internal successors, (15136), 3828 states have internal predecessors, (15136), 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) [2022-11-26 00:26:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 15136 transitions. [2022-11-26 00:26:16,490 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 15136 transitions. Word has length 67 [2022-11-26 00:26:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:16,490 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 15136 transitions. [2022-11-26 00:26:16,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 15136 transitions. [2022-11-26 00:26:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:16,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:16,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:16,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:26:16,502 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:16,503 INFO L85 PathProgramCache]: Analyzing trace with hash -122396675, now seen corresponding path program 4 times [2022-11-26 00:26:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:16,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883652235] [2022-11-26 00:26:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:19,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:19,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883652235] [2022-11-26 00:26:19,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883652235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:19,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:19,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:26:19,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30077687] [2022-11-26 00:26:19,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:19,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:26:19,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:19,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:26:19,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:26:19,077 INFO L87 Difference]: Start difference. First operand 3829 states and 15136 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:19,929 INFO L93 Difference]: Finished difference Result 3832 states and 15138 transitions. [2022-11-26 00:26:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:26:19,929 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:19,937 INFO L225 Difference]: With dead ends: 3832 [2022-11-26 00:26:19,937 INFO L226 Difference]: Without dead ends: 2861 [2022-11-26 00:26:19,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:26:19,937 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 255 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:19,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 103 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:26:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2022-11-26 00:26:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2861. [2022-11-26 00:26:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2860 states have (on average 3.8625874125874127) internal successors, (11047), 2860 states have internal predecessors, (11047), 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) [2022-11-26 00:26:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 11047 transitions. [2022-11-26 00:26:19,991 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 11047 transitions. Word has length 67 [2022-11-26 00:26:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:19,991 INFO L495 AbstractCegarLoop]: Abstraction has 2861 states and 11047 transitions. [2022-11-26 00:26:19,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 11047 transitions. [2022-11-26 00:26:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:19,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:19,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:19,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:26:19,999 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1016907293, now seen corresponding path program 5 times [2022-11-26 00:26:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:20,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839563567] [2022-11-26 00:26:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:22,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:22,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839563567] [2022-11-26 00:26:22,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839563567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:22,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:22,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:26:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095752032] [2022-11-26 00:26:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:22,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:26:22,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:26:22,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:26:22,692 INFO L87 Difference]: Start difference. First operand 2861 states and 11047 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:23,544 INFO L93 Difference]: Finished difference Result 3648 states and 13474 transitions. [2022-11-26 00:26:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:26:23,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:23,550 INFO L225 Difference]: With dead ends: 3648 [2022-11-26 00:26:23,550 INFO L226 Difference]: Without dead ends: 2559 [2022-11-26 00:26:23,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:26:23,551 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 241 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:23,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 97 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:26:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2022-11-26 00:26:23,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2045. [2022-11-26 00:26:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 2044 states have (on average 3.696673189823875) internal successors, (7556), 2044 states have internal predecessors, (7556), 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) [2022-11-26 00:26:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 7556 transitions. [2022-11-26 00:26:23,592 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 7556 transitions. Word has length 67 [2022-11-26 00:26:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:23,592 INFO L495 AbstractCegarLoop]: Abstraction has 2045 states and 7556 transitions. [2022-11-26 00:26:23,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 7556 transitions. [2022-11-26 00:26:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:26:23,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:23,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:23,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:26:23,597 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-26 00:26:23,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash 640709101, now seen corresponding path program 6 times [2022-11-26 00:26:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:23,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818200700] [2022-11-26 00:26:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:25,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:25,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818200700] [2022-11-26 00:26:25,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818200700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:25,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:25,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:26:25,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956101967] [2022-11-26 00:26:25,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:25,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:26:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:25,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:26:25,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:26:25,773 INFO L87 Difference]: Start difference. First operand 2045 states and 7556 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:26,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:26,199 INFO L93 Difference]: Finished difference Result 2044 states and 7555 transitions. [2022-11-26 00:26:26,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:26:26,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-26 00:26:26,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:26,200 INFO L225 Difference]: With dead ends: 2044 [2022-11-26 00:26:26,200 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:26:26,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:26:26,201 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 206 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:26,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 43 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:26:26,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:26:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:26:26,202 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) [2022-11-26 00:26:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:26:26,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2022-11-26 00:26:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:26,203 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:26:26,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:26:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:26:26,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:26:26,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-11-26 00:26:26,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-11-26 00:26:26,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-11-26 00:26:26,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-11-26 00:26:26,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-11-26 00:26:26,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 40 remaining) [2022-11-26 00:26:26,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 40 remaining) [2022-11-26 00:26:26,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 40 remaining) [2022-11-26 00:26:26,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 40 remaining) [2022-11-26 00:26:26,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 40 remaining) [2022-11-26 00:26:26,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-11-26 00:26:26,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-11-26 00:26:26,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-11-26 00:26:26,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-11-26 00:26:26,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-11-26 00:26:26,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-11-26 00:26:26,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-11-26 00:26:26,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-11-26 00:26:26,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2022-11-26 00:26:26,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2022-11-26 00:26:26,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 40 remaining) [2022-11-26 00:26:26,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2022-11-26 00:26:26,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-11-26 00:26:26,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2022-11-26 00:26:26,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2022-11-26 00:26:26,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2022-11-26 00:26:26,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 40 remaining) [2022-11-26 00:26:26,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 40 remaining) [2022-11-26 00:26:26,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 40 remaining) [2022-11-26 00:26:26,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 40 remaining) [2022-11-26 00:26:26,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 40 remaining) [2022-11-26 00:26:26,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-11-26 00:26:26,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-11-26 00:26:26,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-11-26 00:26:26,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-11-26 00:26:26,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-11-26 00:26:26,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-11-26 00:26:26,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-11-26 00:26:26,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-11-26 00:26:26,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-11-26 00:26:26,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:26:26,224 INFO L445 BasicCegarLoop]: Path program histogram: [9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:26,230 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 00:26:26,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:26:26,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:26:26 BasicIcfg [2022-11-26 00:26:26,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:26:26,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:26:26,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:26:26,234 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:26:26,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:00" (3/4) ... [2022-11-26 00:26:26,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:26:26,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2022-11-26 00:26:26,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-26 00:26:26,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-26 00:26:26,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-26 00:26:26,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-26 00:26:26,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 00:26:26,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:26:26,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:26:26,281 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:26:26,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:26:26,282 INFO L158 Benchmark]: Toolchain (without parser) took 87903.75ms. Allocated memory was 159.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 117.8MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-26 00:26:26,282 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 102.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:26:26,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 989.01ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 83.3MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-26 00:26:26,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.79ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 80.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:26:26,283 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 159.4MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:26:26,283 INFO L158 Benchmark]: RCFGBuilder took 787.17ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 78.5MB in the beginning and 159.2MB in the end (delta: -80.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-26 00:26:26,284 INFO L158 Benchmark]: TraceAbstraction took 85928.17ms. Allocated memory was 199.2MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 158.3MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-26 00:26:26,284 INFO L158 Benchmark]: Witness Printer took 47.22ms. Allocated memory is still 5.9GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:26:26,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 102.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 989.01ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 83.3MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.79ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 80.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 159.4MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 787.17ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 78.5MB in the beginning and 159.2MB in the end (delta: -80.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 85928.17ms. Allocated memory was 199.2MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 158.3MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 47.22ms. Allocated memory is still 5.9GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.0s, 294 PlacesBefore, 143 PlacesAfterwards, 285 TransitionsBefore, 132 TransitionsAfterwards, 4608 CoEnabledTransitionPairs, 7 FixpointIterations, 115 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 184 TotalNumberOfCompositions, 30838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14874, independent: 14070, independent conditional: 0, independent unconditional: 14070, dependent: 792, dependent conditional: 0, dependent unconditional: 792, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2963, independent: 2788, independent conditional: 0, independent unconditional: 2788, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2963, independent: 2466, independent conditional: 0, independent unconditional: 2466, dependent: 497, dependent conditional: 0, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 497, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7831, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 6839, dependent conditional: 0, dependent unconditional: 6839, unknown: 189, unknown conditional: 0, unknown unconditional: 189] ], Cache Queries: [ total: 14874, independent: 11282, independent conditional: 0, independent unconditional: 11282, dependent: 618, dependent conditional: 0, dependent unconditional: 618, unknown: 2974, unknown conditional: 0, unknown unconditional: 2974] , Statistics on independence cache: Total cache size (in pairs): 1098, Positive cache size: 1022, Positive conditional cache size: 0, Positive unconditional cache size: 1022, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 329 locations, 40 error locations. Started 1 CEGAR loops. OverallTime: 85.6s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.5s, AutomataDifference: 31.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 18.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6605 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6605 mSDsluCounter, 4637 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3062 mSDsCounter, 2600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21851 IncrementalHoareTripleChecker+Invalid, 24451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2600 mSolverCounterUnsat, 1575 mSDtfsCounter, 21851 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 520 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53879occurred in iteration=0, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.7s AutomataMinimizationTime, 26 MinimizatonAttempts, 97169 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 20707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 00:26:26,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee6a88-7e02-4646-ada2-c52118e8bd26/bin/utaipan-ByfvJB40ur/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