./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh --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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- 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-2329fc7 [2022-12-14 11:29:34,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:29:34,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:29:34,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:29:34,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:29:34,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:29:34,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:29:34,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:29:34,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:29:34,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:29:34,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:29:34,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:29:34,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:29:34,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:29:34,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:29:34,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:29:34,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:29:34,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:29:34,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:29:34,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:29:34,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:29:34,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:29:34,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:29:34,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:29:34,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:29:34,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:29:34,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:29:34,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:29:34,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:29:34,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:29:34,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:29:34,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:29:34,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:29:34,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:29:34,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:29:34,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:29:34,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:29:34,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:29:34,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:29:34,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:29:34,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:29:34,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:29:35,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:29:35,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:29:35,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:29:35,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:29:35,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:29:35,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:29:35,006 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:29:35,007 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:29:35,007 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:29:35,007 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:29:35,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:29:35,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:29:35,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:29:35,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:29:35,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:29:35,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:29:35,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:29:35,010 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2022-12-14 11:29:35,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:29:35,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:29:35,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:29:35,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:29:35,245 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:29:35,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread/queue_longest.i [2022-12-14 11:29:37,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:29:38,092 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:29:38,092 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i [2022-12-14 11:29:38,105 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/data/6c709e5b9/43966ae914d842e2b20200cef4e83b5a/FLAG685c0c85c [2022-12-14 11:29:38,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/data/6c709e5b9/43966ae914d842e2b20200cef4e83b5a [2022-12-14 11:29:38,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:29:38,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:29:38,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:29:38,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:29:38,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:29:38,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f28b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38, skipping insertion in model container [2022-12-14 11:29:38,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:29:38,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:29:38,549 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-12-14 11:29:38,553 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-12-14 11:29:38,556 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-12-14 11:29:38,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:29:38,571 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:29:38,621 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-12-14 11:29:38,624 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-12-14 11:29:38,627 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_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-12-14 11:29:38,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:29:38,667 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:29:38,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38 WrapperNode [2022-12-14 11:29:38,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:29:38,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:29:38,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:29:38,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:29:38,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,733 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 481 [2022-12-14 11:29:38,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:29:38,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:29:38,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:29:38,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:29:38,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:29:38,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:29:38,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:29:38,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:29:38,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (1/1) ... [2022-12-14 11:29:38,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:29:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:29:38,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:29:38,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4a8ec2-84f7-4825-b1da-0ddf2b34764f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:29:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 11:29:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 11:29:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 11:29:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 11:29:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:29:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:29:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:29:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:29:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 11:29:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:29:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:29:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:29:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:29:38,886 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 11:29:39,010 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:29:39,012 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:29:39,582 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:29:39,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:29:39,594 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 11:29:39,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:29:39 BoogieIcfgContainer [2022-12-14 11:29:39,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:29:39,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:29:39,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:29:39,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:29:39,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:29:38" (1/3) ... [2022-12-14 11:29:39,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f438473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:29:39, skipping insertion in model container [2022-12-14 11:29:39,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:38" (2/3) ... [2022-12-14 11:29:39,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f438473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:29:39, skipping insertion in model container [2022-12-14 11:29:39,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:29:39" (3/3) ... [2022-12-14 11:29:39,606 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2022-12-14 11:29:39,613 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:29:39,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:29:39,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-14 11:29:39,620 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:29:39,798 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 11:29:39,834 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:29:39,849 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 553 transitions, 1122 flow [2022-12-14 11:29:39,851 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 553 transitions, 1122 flow [2022-12-14 11:29:39,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 545 places, 553 transitions, 1122 flow [2022-12-14 11:29:40,048 INFO L130 PetriNetUnfolder]: 15/551 cut-off events. [2022-12-14 11:29:40,048 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 11:29:40,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 551 events. 15/551 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 798 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 421. Up to 2 conditions per place. [2022-12-14 11:29:40,077 INFO L119 LiptonReduction]: Number of co-enabled transitions 83848 [2022-12-14 11:30:40,021 WARN L233 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 199 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:30:45,260 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:31:10,995 WARN L233 SmtUtils]: Spent 25.73s on a formula simplification. DAG size of input: 199 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:31:22,232 WARN L233 SmtUtils]: Spent 11.24s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:31:47,235 WARN L233 SmtUtils]: Spent 24.98s on a formula simplification. DAG size of input: 215 DAG size of output: 210 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:31:58,807 WARN L233 SmtUtils]: Spent 11.57s on a formula simplification that was a NOOP. DAG size: 206 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:32:37,482 WARN L233 SmtUtils]: Spent 38.67s on a formula simplification. DAG size of input: 218 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:32:51,828 WARN L233 SmtUtils]: Spent 14.34s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:32:52,091 INFO L134 LiptonReduction]: Checked pairs total: 1411240 [2022-12-14 11:32:52,091 INFO L136 LiptonReduction]: Total number of compositions: 371 [2022-12-14 11:32:52,096 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 273 places, 275 transitions, 566 flow [2022-12-14 11:32:53,742 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:32:53,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:32:53,764 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;@31eaaeba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:32:53,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2022-12-14 11:32:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:32:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 11:32:53,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:32:53,869 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 11:32:53,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:32:53,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:32:53,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times [2022-12-14 11:32:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:32:53,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555017859] [2022-12-14 11:32:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:32:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:32:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:32:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:32:54,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:32:54,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555017859] [2022-12-14 11:32:54,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555017859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:32:54,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:32:54,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 11:32:54,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285648728] [2022-12-14 11:32:54,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:32:54,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:32:54,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:32:54,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:32:54,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:32:54,175 INFO L87 Difference]: Start difference. First operand has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:32:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:32:55,182 INFO L93 Difference]: Finished difference Result 102077 states and 297102 transitions. [2022-12-14 11:32:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:32:55,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 11:32:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:32:55,567 INFO L225 Difference]: With dead ends: 102077 [2022-12-14 11:32:55,567 INFO L226 Difference]: Without dead ends: 102077 [2022-12-14 11:32:55,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:32:55,570 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:32:55,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:32:55,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102077 states. [2022-12-14 11:32:57,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102077 to 102077. [2022-12-14 11:32:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102077 states, 101441 states have (on average 2.928815764828817) internal successors, (297102), 102076 states have internal predecessors, (297102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:32:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102077 states to 102077 states and 297102 transitions. [2022-12-14 11:32:58,111 INFO L78 Accepts]: Start accepts. Automaton has 102077 states and 297102 transitions. Word has length 1 [2022-12-14 11:32:58,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:32:58,111 INFO L495 AbstractCegarLoop]: Abstraction has 102077 states and 297102 transitions. [2022-12-14 11:32:58,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:32:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 102077 states and 297102 transitions. [2022-12-14 11:32:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:32:58,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:32:58,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:32:58,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:32:58,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:32:58,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:32:58,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1256822659, now seen corresponding path program 1 times [2022-12-14 11:32:58,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:32:58,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041263462] [2022-12-14 11:32:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:32:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:32:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:32:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:32:58,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:32:58,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041263462] [2022-12-14 11:32:58,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041263462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:32:58,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:32:58,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:32:58,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694185691] [2022-12-14 11:32:58,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:32:58,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:32:58,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:32:58,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:32:58,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:32:58,227 INFO L87 Difference]: Start difference. First operand 102077 states and 297102 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-12-14 11:32:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:32:59,574 INFO L93 Difference]: Finished difference Result 148780 states and 433309 transitions. [2022-12-14 11:32:59,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:32:59,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2022-12-14 11:32:59,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:00,122 INFO L225 Difference]: With dead ends: 148780 [2022-12-14 11:33:00,122 INFO L226 Difference]: Without dead ends: 148780 [2022-12-14 11:33:00,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:33:00,123 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 246 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:00,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 467 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:33:00,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148780 states. [2022-12-14 11:33:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148780 to 102085. [2022-12-14 11:33:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102085 states, 101471 states have (on average 2.934493599156409) internal successors, (297766), 102084 states have internal predecessors, (297766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102085 states to 102085 states and 297766 transitions. [2022-12-14 11:33:02,714 INFO L78 Accepts]: Start accepts. Automaton has 102085 states and 297766 transitions. Word has length 8 [2022-12-14 11:33:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:02,715 INFO L495 AbstractCegarLoop]: Abstraction has 102085 states and 297766 transitions. [2022-12-14 11:33:02,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-12-14 11:33:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 102085 states and 297766 transitions. [2022-12-14 11:33:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:33:02,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:02,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:02,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:33:02,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:02,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1079491004, now seen corresponding path program 1 times [2022-12-14 11:33:02,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:02,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506825238] [2022-12-14 11:33:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:03,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:03,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506825238] [2022-12-14 11:33:03,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506825238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:03,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:03,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:33:03,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100153178] [2022-12-14 11:33:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:03,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:33:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:33:03,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:03,154 INFO L87 Difference]: Start difference. First operand 102085 states and 297766 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:05,216 INFO L93 Difference]: Finished difference Result 130681 states and 381950 transitions. [2022-12-14 11:33:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:33:05,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-12-14 11:33:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:05,557 INFO L225 Difference]: With dead ends: 130681 [2022-12-14 11:33:05,557 INFO L226 Difference]: Without dead ends: 130681 [2022-12-14 11:33:05,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:05,558 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 220 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:05,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 260 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 11:33:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130681 states. [2022-12-14 11:33:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130681 to 116953. [2022-12-14 11:33:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116953 states, 116345 states have (on average 2.940650651080837) internal successors, (342130), 116952 states have internal predecessors, (342130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116953 states to 116953 states and 342130 transitions. [2022-12-14 11:33:08,353 INFO L78 Accepts]: Start accepts. Automaton has 116953 states and 342130 transitions. Word has length 9 [2022-12-14 11:33:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:08,354 INFO L495 AbstractCegarLoop]: Abstraction has 116953 states and 342130 transitions. [2022-12-14 11:33:08,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 116953 states and 342130 transitions. [2022-12-14 11:33:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:33:08,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:08,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:08,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:33:08,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash 463549159, now seen corresponding path program 1 times [2022-12-14 11:33:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:08,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683336184] [2022-12-14 11:33:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:08,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:08,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683336184] [2022-12-14 11:33:08,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683336184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:08,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:08,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:33:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118641349] [2022-12-14 11:33:08,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:08,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:33:08,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:08,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:33:08,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:08,581 INFO L87 Difference]: Start difference. First operand 116953 states and 342130 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:11,964 INFO L93 Difference]: Finished difference Result 190046 states and 550480 transitions. [2022-12-14 11:33:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:33:11,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 11:33:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:12,480 INFO L225 Difference]: With dead ends: 190046 [2022-12-14 11:33:12,481 INFO L226 Difference]: Without dead ends: 190046 [2022-12-14 11:33:12,481 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 [2022-12-14 11:33:12,482 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 513 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 3006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:12,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 391 Invalid, 3006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 2745 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 11:33:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190046 states. [2022-12-14 11:33:15,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190046 to 174908. [2022-12-14 11:33:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174908 states, 174300 states have (on average 2.979592656339644) internal successors, (519343), 174907 states have internal predecessors, (519343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174908 states to 174908 states and 519343 transitions. [2022-12-14 11:33:16,349 INFO L78 Accepts]: Start accepts. Automaton has 174908 states and 519343 transitions. Word has length 10 [2022-12-14 11:33:16,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:16,349 INFO L495 AbstractCegarLoop]: Abstraction has 174908 states and 519343 transitions. [2022-12-14 11:33:16,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 174908 states and 519343 transitions. [2022-12-14 11:33:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:33:16,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:16,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:16,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:33:16,351 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2031098980, now seen corresponding path program 1 times [2022-12-14 11:33:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:16,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906562078] [2022-12-14 11:33:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:16,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:16,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906562078] [2022-12-14 11:33:16,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906562078] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:16,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:16,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:33:16,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888040693] [2022-12-14 11:33:16,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:16,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:33:16,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:33:16,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:16,760 INFO L87 Difference]: Start difference. First operand 174908 states and 519343 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:19,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:19,790 INFO L93 Difference]: Finished difference Result 257532 states and 763569 transitions. [2022-12-14 11:33:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:33:19,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-12-14 11:33:19,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:20,591 INFO L225 Difference]: With dead ends: 257532 [2022-12-14 11:33:20,591 INFO L226 Difference]: Without dead ends: 257532 [2022-12-14 11:33:20,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:20,592 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 392 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:20,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 277 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 11:33:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257532 states. [2022-12-14 11:33:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257532 to 194192. [2022-12-14 11:33:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194192 states, 193620 states have (on average 2.9830802603036877) internal successors, (577584), 194191 states have internal predecessors, (577584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194192 states to 194192 states and 577584 transitions. [2022-12-14 11:33:25,316 INFO L78 Accepts]: Start accepts. Automaton has 194192 states and 577584 transitions. Word has length 14 [2022-12-14 11:33:25,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:25,316 INFO L495 AbstractCegarLoop]: Abstraction has 194192 states and 577584 transitions. [2022-12-14 11:33:25,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 194192 states and 577584 transitions. [2022-12-14 11:33:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:33:25,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:25,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:25,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:33:25,318 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2104683865, now seen corresponding path program 1 times [2022-12-14 11:33:25,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:25,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183480392] [2022-12-14 11:33:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:25,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:25,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183480392] [2022-12-14 11:33:25,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183480392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:25,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:25,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:33:25,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929224627] [2022-12-14 11:33:25,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:25,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:33:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:33:25,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:25,529 INFO L87 Difference]: Start difference. First operand 194192 states and 577584 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:28,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:28,418 INFO L93 Difference]: Finished difference Result 199246 states and 592259 transitions. [2022-12-14 11:33:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:33:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-12-14 11:33:28,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:29,013 INFO L225 Difference]: With dead ends: 199246 [2022-12-14 11:33:29,013 INFO L226 Difference]: Without dead ends: 199246 [2022-12-14 11:33:29,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:33:29,014 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 204 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:29,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 278 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 11:33:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199246 states. [2022-12-14 11:33:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199246 to 199246. [2022-12-14 11:33:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199246 states, 198674 states have (on average 2.981059423980994) internal successors, (592259), 199245 states have internal predecessors, (592259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199246 states to 199246 states and 592259 transitions. [2022-12-14 11:33:33,215 INFO L78 Accepts]: Start accepts. Automaton has 199246 states and 592259 transitions. Word has length 15 [2022-12-14 11:33:33,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:33,215 INFO L495 AbstractCegarLoop]: Abstraction has 199246 states and 592259 transitions. [2022-12-14 11:33:33,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 199246 states and 592259 transitions. [2022-12-14 11:33:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:33:33,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:33,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:33,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:33:33,219 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1060574606, now seen corresponding path program 1 times [2022-12-14 11:33:33,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:33,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859353230] [2022-12-14 11:33:33,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:33,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:33,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:33,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859353230] [2022-12-14 11:33:33,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859353230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:33,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:33,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:33:33,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898593956] [2022-12-14 11:33:33,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:33,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:33:33,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:33,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:33:33,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:33:33,571 INFO L87 Difference]: Start difference. First operand 199246 states and 592259 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:38,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:38,189 INFO L93 Difference]: Finished difference Result 256233 states and 749074 transitions. [2022-12-14 11:33:38,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:33:38,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-12-14 11:33:38,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:38,969 INFO L225 Difference]: With dead ends: 256233 [2022-12-14 11:33:38,969 INFO L226 Difference]: Without dead ends: 256233 [2022-12-14 11:33:38,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:33:38,970 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1059 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 4379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:38,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 441 Invalid, 4379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 11:33:39,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256233 states. [2022-12-14 11:33:42,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256233 to 203918. [2022-12-14 11:33:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203918 states, 203346 states have (on average 2.9821437353082922) internal successors, (606407), 203917 states have internal predecessors, (606407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203918 states to 203918 states and 606407 transitions. [2022-12-14 11:33:43,696 INFO L78 Accepts]: Start accepts. Automaton has 203918 states and 606407 transitions. Word has length 19 [2022-12-14 11:33:43,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:43,696 INFO L495 AbstractCegarLoop]: Abstraction has 203918 states and 606407 transitions. [2022-12-14 11:33:43,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 203918 states and 606407 transitions. [2022-12-14 11:33:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:33:43,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:43,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:43,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:33:43,699 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:43,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash 28807626, now seen corresponding path program 1 times [2022-12-14 11:33:43,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:43,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931987103] [2022-12-14 11:33:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:44,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:44,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931987103] [2022-12-14 11:33:44,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931987103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:44,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:44,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:33:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850648984] [2022-12-14 11:33:44,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:44,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:33:44,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:33:44,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:33:44,029 INFO L87 Difference]: Start difference. First operand 203918 states and 606407 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:46,584 INFO L93 Difference]: Finished difference Result 209444 states and 622506 transitions. [2022-12-14 11:33:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:33:46,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-12-14 11:33:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:47,371 INFO L225 Difference]: With dead ends: 209444 [2022-12-14 11:33:47,371 INFO L226 Difference]: Without dead ends: 209444 [2022-12-14 11:33:47,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:33:47,372 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 774 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:47,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 275 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:33:47,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209444 states. [2022-12-14 11:33:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209444 to 203684. [2022-12-14 11:33:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203684 states, 203114 states have (on average 2.982000256013864) internal successors, (605686), 203683 states have internal predecessors, (605686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203684 states to 203684 states and 605686 transitions. [2022-12-14 11:33:51,886 INFO L78 Accepts]: Start accepts. Automaton has 203684 states and 605686 transitions. Word has length 19 [2022-12-14 11:33:51,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:33:51,886 INFO L495 AbstractCegarLoop]: Abstraction has 203684 states and 605686 transitions. [2022-12-14 11:33:51,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 203684 states and 605686 transitions. [2022-12-14 11:33:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:33:51,888 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:33:51,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:33:51,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:33:51,889 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:33:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:33:51,889 INFO L85 PathProgramCache]: Analyzing trace with hash -461616590, now seen corresponding path program 2 times [2022-12-14 11:33:51,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:33:51,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031865825] [2022-12-14 11:33:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:33:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:33:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:33:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:33:52,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:33:52,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031865825] [2022-12-14 11:33:52,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031865825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:33:52,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:33:52,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:33:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190241948] [2022-12-14 11:33:52,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:33:52,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:33:52,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:33:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:33:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:33:52,248 INFO L87 Difference]: Start difference. First operand 203684 states and 605686 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:33:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:33:57,139 INFO L93 Difference]: Finished difference Result 343222 states and 1004471 transitions. [2022-12-14 11:33:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:33:57,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-12-14 11:33:57,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:33:58,397 INFO L225 Difference]: With dead ends: 343222 [2022-12-14 11:33:58,398 INFO L226 Difference]: Without dead ends: 343222 [2022-12-14 11:33:58,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:33:58,398 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 960 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 4362 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 4975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 4362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:33:58,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 429 Invalid, 4975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 4362 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 11:33:58,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343222 states. [2022-12-14 11:34:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343222 to 203106. [2022-12-14 11:34:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203106 states, 202536 states have (on average 2.9818748271912154) internal successors, (603937), 203105 states have internal predecessors, (603937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203106 states to 203106 states and 603937 transitions. [2022-12-14 11:34:03,682 INFO L78 Accepts]: Start accepts. Automaton has 203106 states and 603937 transitions. Word has length 19 [2022-12-14 11:34:03,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:03,682 INFO L495 AbstractCegarLoop]: Abstraction has 203106 states and 603937 transitions. [2022-12-14 11:34:03,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 203106 states and 603937 transitions. [2022-12-14 11:34:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:34:03,684 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:03,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:03,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:34:03,685 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:03,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash -9862990, now seen corresponding path program 3 times [2022-12-14 11:34:03,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:03,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960355031] [2022-12-14 11:34:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:03,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:03,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960355031] [2022-12-14 11:34:03,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960355031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:03,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:03,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:34:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705387270] [2022-12-14 11:34:03,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:03,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:34:03,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:34:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:34:03,999 INFO L87 Difference]: Start difference. First operand 203106 states and 603937 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:09,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:09,480 INFO L93 Difference]: Finished difference Result 288827 states and 838222 transitions. [2022-12-14 11:34:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:34:09,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-12-14 11:34:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:10,471 INFO L225 Difference]: With dead ends: 288827 [2022-12-14 11:34:10,472 INFO L226 Difference]: Without dead ends: 288827 [2022-12-14 11:34:10,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:34:10,472 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 980 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 4710 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 5239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 4710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:10,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 515 Invalid, 5239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 4710 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 11:34:10,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288827 states. [2022-12-14 11:34:14,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288827 to 203106. [2022-12-14 11:34:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203106 states, 202536 states have (on average 2.9818748271912154) internal successors, (603937), 203105 states have internal predecessors, (603937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203106 states to 203106 states and 603937 transitions. [2022-12-14 11:34:15,175 INFO L78 Accepts]: Start accepts. Automaton has 203106 states and 603937 transitions. Word has length 19 [2022-12-14 11:34:15,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:15,175 INFO L495 AbstractCegarLoop]: Abstraction has 203106 states and 603937 transitions. [2022-12-14 11:34:15,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 203106 states and 603937 transitions. [2022-12-14 11:34:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:34:15,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:15,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:15,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:34:15,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 914300634, now seen corresponding path program 4 times [2022-12-14 11:34:15,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:15,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317187107] [2022-12-14 11:34:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:15,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:15,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317187107] [2022-12-14 11:34:15,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317187107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:15,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:15,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:34:15,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976038868] [2022-12-14 11:34:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:15,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:34:15,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:15,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:34:15,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:34:15,471 INFO L87 Difference]: Start difference. First operand 203106 states and 603937 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:21,912 INFO L93 Difference]: Finished difference Result 318061 states and 927600 transitions. [2022-12-14 11:34:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:34:21,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-12-14 11:34:21,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:22,879 INFO L225 Difference]: With dead ends: 318061 [2022-12-14 11:34:22,879 INFO L226 Difference]: Without dead ends: 318061 [2022-12-14 11:34:22,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:34:22,880 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 989 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 5336 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 5336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:22,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 517 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 5336 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 11:34:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318061 states. [2022-12-14 11:34:27,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318061 to 201326. [2022-12-14 11:34:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201326 states, 200756 states have (on average 2.9814849867500848) internal successors, (598551), 201325 states have internal predecessors, (598551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201326 states to 201326 states and 598551 transitions. [2022-12-14 11:34:28,067 INFO L78 Accepts]: Start accepts. Automaton has 201326 states and 598551 transitions. Word has length 19 [2022-12-14 11:34:28,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:28,068 INFO L495 AbstractCegarLoop]: Abstraction has 201326 states and 598551 transitions. [2022-12-14 11:34:28,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 201326 states and 598551 transitions. [2022-12-14 11:34:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:34:28,069 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:28,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:28,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:34:28,070 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:28,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash 349607488, now seen corresponding path program 1 times [2022-12-14 11:34:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:28,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260914156] [2022-12-14 11:34:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:28,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:28,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260914156] [2022-12-14 11:34:28,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260914156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:28,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:28,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:34:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004469561] [2022-12-14 11:34:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:28,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:34:28,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:28,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:34:28,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:34:28,122 INFO L87 Difference]: Start difference. First operand 201326 states and 598551 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:28,797 INFO L93 Difference]: Finished difference Result 119087 states and 354088 transitions. [2022-12-14 11:34:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:34:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 11:34:28,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:29,159 INFO L225 Difference]: With dead ends: 119087 [2022-12-14 11:34:29,159 INFO L226 Difference]: Without dead ends: 119080 [2022-12-14 11:34:29,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:34:29,160 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 183 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:29,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 293 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:34:29,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119080 states. [2022-12-14 11:34:31,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119080 to 115461. [2022-12-14 11:34:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115461 states, 115103 states have (on average 3.015273276978011) internal successors, (347067), 115460 states have internal predecessors, (347067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115461 states to 115461 states and 347067 transitions. [2022-12-14 11:34:31,740 INFO L78 Accepts]: Start accepts. Automaton has 115461 states and 347067 transitions. Word has length 20 [2022-12-14 11:34:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:31,740 INFO L495 AbstractCegarLoop]: Abstraction has 115461 states and 347067 transitions. [2022-12-14 11:34:31,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 115461 states and 347067 transitions. [2022-12-14 11:34:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 11:34:31,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:31,741 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] [2022-12-14 11:34:31,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:34:31,742 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:31,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash -650113846, now seen corresponding path program 1 times [2022-12-14 11:34:31,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:31,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750739303] [2022-12-14 11:34:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:31,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:31,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750739303] [2022-12-14 11:34:31,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750739303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:31,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:31,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:34:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176480373] [2022-12-14 11:34:31,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:31,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:34:31,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:34:31,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:31,905 INFO L87 Difference]: Start difference. First operand 115461 states and 347067 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:33,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:33,295 INFO L93 Difference]: Finished difference Result 118670 states and 356411 transitions. [2022-12-14 11:34:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:34:33,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 11:34:33,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:33,784 INFO L225 Difference]: With dead ends: 118670 [2022-12-14 11:34:33,784 INFO L226 Difference]: Without dead ends: 118670 [2022-12-14 11:34:33,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:33,785 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 216 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:33,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 242 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 11:34:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118670 states. [2022-12-14 11:34:35,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118670 to 117374. [2022-12-14 11:34:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117374 states, 117030 states have (on average 3.0129624882508756) internal successors, (352607), 117373 states have internal predecessors, (352607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117374 states to 117374 states and 352607 transitions. [2022-12-14 11:34:36,014 INFO L78 Accepts]: Start accepts. Automaton has 117374 states and 352607 transitions. Word has length 21 [2022-12-14 11:34:36,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:36,014 INFO L495 AbstractCegarLoop]: Abstraction has 117374 states and 352607 transitions. [2022-12-14 11:34:36,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 117374 states and 352607 transitions. [2022-12-14 11:34:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 11:34:36,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:36,016 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] [2022-12-14 11:34:36,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:34:36,016 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:36,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash 937480073, now seen corresponding path program 1 times [2022-12-14 11:34:36,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:36,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706102931] [2022-12-14 11:34:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:36,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:36,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:36,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706102931] [2022-12-14 11:34:36,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706102931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:36,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:36,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:34:36,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3634388] [2022-12-14 11:34:36,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:36,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:34:36,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:36,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:34:36,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:36,190 INFO L87 Difference]: Start difference. First operand 117374 states and 352607 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:38,039 INFO L93 Difference]: Finished difference Result 121777 states and 365690 transitions. [2022-12-14 11:34:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:34:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-12-14 11:34:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:38,391 INFO L225 Difference]: With dead ends: 121777 [2022-12-14 11:34:38,391 INFO L226 Difference]: Without dead ends: 121777 [2022-12-14 11:34:38,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:38,392 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 206 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:38,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 260 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:34:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121777 states. [2022-12-14 11:34:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121777 to 121742. [2022-12-14 11:34:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121742 states, 121398 states have (on average 3.0115158404586566) internal successors, (365592), 121741 states have internal predecessors, (365592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121742 states to 121742 states and 365592 transitions. [2022-12-14 11:34:40,630 INFO L78 Accepts]: Start accepts. Automaton has 121742 states and 365592 transitions. Word has length 27 [2022-12-14 11:34:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:40,630 INFO L495 AbstractCegarLoop]: Abstraction has 121742 states and 365592 transitions. [2022-12-14 11:34:40,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 121742 states and 365592 transitions. [2022-12-14 11:34:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 11:34:40,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:40,632 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] [2022-12-14 11:34:40,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:34:40,633 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:40,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -66325350, now seen corresponding path program 1 times [2022-12-14 11:34:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:40,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900344354] [2022-12-14 11:34:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:40,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:40,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900344354] [2022-12-14 11:34:40,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900344354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:40,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:40,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:34:40,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898120197] [2022-12-14 11:34:40,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:40,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:34:40,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:34:40,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:34:40,883 INFO L87 Difference]: Start difference. First operand 121742 states and 365592 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:42,847 INFO L93 Difference]: Finished difference Result 124299 states and 372955 transitions. [2022-12-14 11:34:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:34:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-12-14 11:34:42,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:43,209 INFO L225 Difference]: With dead ends: 124299 [2022-12-14 11:34:43,209 INFO L226 Difference]: Without dead ends: 124299 [2022-12-14 11:34:43,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:34:43,209 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 741 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:43,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 169 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:34:43,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124299 states. [2022-12-14 11:34:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124299 to 120775. [2022-12-14 11:34:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120775 states, 120435 states have (on average 3.0099140615269646) internal successors, (362499), 120774 states have internal predecessors, (362499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120775 states to 120775 states and 362499 transitions. [2022-12-14 11:34:45,652 INFO L78 Accepts]: Start accepts. Automaton has 120775 states and 362499 transitions. Word has length 31 [2022-12-14 11:34:45,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,652 INFO L495 AbstractCegarLoop]: Abstraction has 120775 states and 362499 transitions. [2022-12-14 11:34:45,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 120775 states and 362499 transitions. [2022-12-14 11:34:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 11:34:45,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,655 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] [2022-12-14 11:34:45,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:34:45,655 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:45,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,655 INFO L85 PathProgramCache]: Analyzing trace with hash 662508523, now seen corresponding path program 1 times [2022-12-14 11:34:45,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406022435] [2022-12-14 11:34:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:46,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:46,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406022435] [2022-12-14 11:34:46,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406022435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:46,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:46,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:34:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853117227] [2022-12-14 11:34:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:34:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:34:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:46,048 INFO L87 Difference]: Start difference. First operand 120775 states and 362499 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:47,896 INFO L93 Difference]: Finished difference Result 125143 states and 375484 transitions. [2022-12-14 11:34:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:34:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-12-14 11:34:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:48,241 INFO L225 Difference]: With dead ends: 125143 [2022-12-14 11:34:48,241 INFO L226 Difference]: Without dead ends: 125143 [2022-12-14 11:34:48,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:48,242 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 204 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:48,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 251 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:34:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125143 states. [2022-12-14 11:34:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125143 to 125143. [2022-12-14 11:34:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125143 states, 124803 states have (on average 3.008613574994191) internal successors, (375484), 125142 states have internal predecessors, (375484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125143 states to 125143 states and 375484 transitions. [2022-12-14 11:34:50,540 INFO L78 Accepts]: Start accepts. Automaton has 125143 states and 375484 transitions. Word has length 39 [2022-12-14 11:34:50,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:50,540 INFO L495 AbstractCegarLoop]: Abstraction has 125143 states and 375484 transitions. [2022-12-14 11:34:50,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 125143 states and 375484 transitions. [2022-12-14 11:34:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 11:34:50,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:50,544 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] [2022-12-14 11:34:50,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 11:34:50,544 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:50,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:50,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1884429982, now seen corresponding path program 1 times [2022-12-14 11:34:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:50,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644650137] [2022-12-14 11:34:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:50,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:50,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644650137] [2022-12-14 11:34:50,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644650137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:50,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:50,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:34:50,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768258282] [2022-12-14 11:34:50,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:50,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:34:50,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:50,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:34:50,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:34:50,836 INFO L87 Difference]: Start difference. First operand 125143 states and 375484 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:53,077 INFO L93 Difference]: Finished difference Result 127700 states and 382847 transitions. [2022-12-14 11:34:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:34:53,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-12-14 11:34:53,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:53,442 INFO L225 Difference]: With dead ends: 127700 [2022-12-14 11:34:53,442 INFO L226 Difference]: Without dead ends: 127700 [2022-12-14 11:34:53,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:34:53,443 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 680 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:53,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 202 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 11:34:53,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127700 states. [2022-12-14 11:34:55,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127700 to 124176. [2022-12-14 11:34:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124176 states, 123840 states have (on average 3.00703326873385) internal successors, (372391), 124175 states have internal predecessors, (372391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124176 states to 124176 states and 372391 transitions. [2022-12-14 11:34:56,099 INFO L78 Accepts]: Start accepts. Automaton has 124176 states and 372391 transitions. Word has length 43 [2022-12-14 11:34:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:56,100 INFO L495 AbstractCegarLoop]: Abstraction has 124176 states and 372391 transitions. [2022-12-14 11:34:56,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 124176 states and 372391 transitions. [2022-12-14 11:34:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 11:34:56,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:56,105 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] [2022-12-14 11:34:56,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 11:34:56,106 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:34:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1912500115, now seen corresponding path program 1 times [2022-12-14 11:34:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:56,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889191514] [2022-12-14 11:34:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:56,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:56,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889191514] [2022-12-14 11:34:56,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889191514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:56,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:56,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:34:56,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767816324] [2022-12-14 11:34:56,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:56,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:34:56,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:56,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:34:56,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:56,330 INFO L87 Difference]: Start difference. First operand 124176 states and 372391 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:34:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:57,474 INFO L93 Difference]: Finished difference Result 124321 states and 372800 transitions. [2022-12-14 11:34:57,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:34:57,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-12-14 11:34:57,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:58,013 INFO L225 Difference]: With dead ends: 124321 [2022-12-14 11:34:58,013 INFO L226 Difference]: Without dead ends: 124321 [2022-12-14 11:34:58,013 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 [2022-12-14 11:34:58,014 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 48 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:58,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 214 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 11:34:58,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124321 states. [2022-12-14 11:34:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124321 to 124321. [2022-12-14 11:34:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124321 states, 123985 states have (on average 3.006815340565391) internal successors, (372800), 124320 states have internal predecessors, (372800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124321 states to 124321 states and 372800 transitions. [2022-12-14 11:35:00,314 INFO L78 Accepts]: Start accepts. Automaton has 124321 states and 372800 transitions. Word has length 45 [2022-12-14 11:35:00,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:00,314 INFO L495 AbstractCegarLoop]: Abstraction has 124321 states and 372800 transitions. [2022-12-14 11:35:00,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 124321 states and 372800 transitions. [2022-12-14 11:35:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 11:35:00,317 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:00,318 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] [2022-12-14 11:35:00,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:35:00,318 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:35:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:00,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1602849534, now seen corresponding path program 1 times [2022-12-14 11:35:00,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:00,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116122590] [2022-12-14 11:35:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:00,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:00,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:00,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116122590] [2022-12-14 11:35:00,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116122590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:00,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:00,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:35:00,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57990759] [2022-12-14 11:35:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:00,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:35:00,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:35:00,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:35:00,519 INFO L87 Difference]: Start difference. First operand 124321 states and 372800 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:02,245 INFO L93 Difference]: Finished difference Result 129901 states and 389402 transitions. [2022-12-14 11:35:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:35:02,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-12-14 11:35:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:02,628 INFO L225 Difference]: With dead ends: 129901 [2022-12-14 11:35:02,628 INFO L226 Difference]: Without dead ends: 129901 [2022-12-14 11:35:02,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:35:02,628 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 208 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:02,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 234 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:35:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129901 states. [2022-12-14 11:35:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129901 to 128689. [2022-12-14 11:35:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128689 states, 128353 states have (on average 3.0056562760512024) internal successors, (385785), 128688 states have internal predecessors, (385785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128689 states to 128689 states and 385785 transitions. [2022-12-14 11:35:05,032 INFO L78 Accepts]: Start accepts. Automaton has 128689 states and 385785 transitions. Word has length 45 [2022-12-14 11:35:05,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:05,032 INFO L495 AbstractCegarLoop]: Abstraction has 128689 states and 385785 transitions. [2022-12-14 11:35:05,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 128689 states and 385785 transitions. [2022-12-14 11:35:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 11:35:05,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:05,036 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] [2022-12-14 11:35:05,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 11:35:05,036 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:35:05,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash -253099592, now seen corresponding path program 1 times [2022-12-14 11:35:05,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:05,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234039654] [2022-12-14 11:35:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:06,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:06,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234039654] [2022-12-14 11:35:06,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234039654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:06,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:06,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:35:06,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938350262] [2022-12-14 11:35:06,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:06,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:35:06,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:35:06,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:35:06,123 INFO L87 Difference]: Start difference. First operand 128689 states and 385785 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:07,849 INFO L93 Difference]: Finished difference Result 130183 states and 390032 transitions. [2022-12-14 11:35:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:35:07,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-12-14 11:35:07,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:08,354 INFO L225 Difference]: With dead ends: 130183 [2022-12-14 11:35:08,354 INFO L226 Difference]: Without dead ends: 130183 [2022-12-14 11:35:08,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:35:08,355 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 123 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:08,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 583 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:35:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130183 states. [2022-12-14 11:35:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130183 to 129583. [2022-12-14 11:35:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129583 states, 129247 states have (on average 3.004541691489938) internal successors, (388328), 129582 states have internal predecessors, (388328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129583 states to 129583 states and 388328 transitions. [2022-12-14 11:35:10,906 INFO L78 Accepts]: Start accepts. Automaton has 129583 states and 388328 transitions. Word has length 49 [2022-12-14 11:35:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:10,907 INFO L495 AbstractCegarLoop]: Abstraction has 129583 states and 388328 transitions. [2022-12-14 11:35:10,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 129583 states and 388328 transitions. [2022-12-14 11:35:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 11:35:10,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:10,915 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] [2022-12-14 11:35:10,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 11:35:10,915 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:35:10,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:10,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1684084309, now seen corresponding path program 1 times [2022-12-14 11:35:10,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:10,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407847169] [2022-12-14 11:35:10,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:11,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:11,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407847169] [2022-12-14 11:35:11,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407847169] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:11,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:11,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:35:11,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466849966] [2022-12-14 11:35:11,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:11,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:35:11,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:35:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:35:11,264 INFO L87 Difference]: Start difference. First operand 129583 states and 388328 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:13,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:13,342 INFO L93 Difference]: Finished difference Result 133172 states and 398725 transitions. [2022-12-14 11:35:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:35:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-12-14 11:35:13,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:13,703 INFO L225 Difference]: With dead ends: 133172 [2022-12-14 11:35:13,703 INFO L226 Difference]: Without dead ends: 133172 [2022-12-14 11:35:13,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:35:13,704 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 728 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:13,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 185 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 11:35:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133172 states. [2022-12-14 11:35:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133172 to 128616. [2022-12-14 11:35:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128616 states, 128284 states have (on average 3.0029855632814693) internal successors, (385235), 128615 states have internal predecessors, (385235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128616 states to 128616 states and 385235 transitions. [2022-12-14 11:35:16,097 INFO L78 Accepts]: Start accepts. Automaton has 128616 states and 385235 transitions. Word has length 49 [2022-12-14 11:35:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:16,097 INFO L495 AbstractCegarLoop]: Abstraction has 128616 states and 385235 transitions. [2022-12-14 11:35:16,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 128616 states and 385235 transitions. [2022-12-14 11:35:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 11:35:16,102 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:16,102 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] [2022-12-14 11:35:16,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 11:35:16,102 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:35:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:16,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1959893228, now seen corresponding path program 2 times [2022-12-14 11:35:16,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:16,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478177393] [2022-12-14 11:35:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:16,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:16,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478177393] [2022-12-14 11:35:16,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478177393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:16,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:16,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:35:16,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449994721] [2022-12-14 11:35:16,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:16,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:35:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:16,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:35:16,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:35:16,831 INFO L87 Difference]: Start difference. First operand 128616 states and 385235 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:20,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:20,796 INFO L93 Difference]: Finished difference Result 176113 states and 521365 transitions. [2022-12-14 11:35:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:35:20,797 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-12-14 11:35:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:21,279 INFO L225 Difference]: With dead ends: 176113 [2022-12-14 11:35:21,279 INFO L226 Difference]: Without dead ends: 176113 [2022-12-14 11:35:21,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:35:21,280 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1083 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4103 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 4621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 4103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:21,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 344 Invalid, 4621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 4103 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 11:35:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176113 states. [2022-12-14 11:35:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176113 to 129904. [2022-12-14 11:35:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129904 states, 129572 states have (on average 3.0029558855308247) internal successors, (389099), 129903 states have internal predecessors, (389099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129904 states to 129904 states and 389099 transitions. [2022-12-14 11:35:24,014 INFO L78 Accepts]: Start accepts. Automaton has 129904 states and 389099 transitions. Word has length 49 [2022-12-14 11:35:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:24,015 INFO L495 AbstractCegarLoop]: Abstraction has 129904 states and 389099 transitions. [2022-12-14 11:35:24,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 129904 states and 389099 transitions. [2022-12-14 11:35:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 11:35:24,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:24,021 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] [2022-12-14 11:35:24,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 11:35:24,022 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 11:35:24,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:24,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1485039788, now seen corresponding path program 1 times [2022-12-14 11:35:24,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:24,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266180083] [2022-12-14 11:35:24,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:24,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:24,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266180083] [2022-12-14 11:35:24,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266180083] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:24,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:24,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:35:24,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346966057] [2022-12-14 11:35:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:24,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:35:24,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:24,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:35:24,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:35:24,605 INFO L87 Difference]: Start difference. First operand 129904 states and 389099 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:35:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:26,216 INFO L93 Difference]: Finished difference Result 129841 states and 388917 transitions. [2022-12-14 11:35:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:35:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-12-14 11:35:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:26,577 INFO L225 Difference]: With dead ends: 129841 [2022-12-14 11:35:26,577 INFO L226 Difference]: Without dead ends: 129841 [2022-12-14 11:35:26,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:35:26,578 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 254 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:26,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 236 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]