./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:18:31,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:18:31,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:18:31,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:18:31,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:18:31,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:18:31,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:18:31,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:18:31,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:18:31,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:18:31,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:18:31,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:18:31,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:18:31,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:18:31,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:18:31,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:18:31,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:18:31,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:18:31,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:18:31,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:18:31,662 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:18:31,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:18:31,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:18:31,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:18:31,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:18:31,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:18:31,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:18:31,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:18:31,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:18:31,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:18:31,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:18:31,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:18:31,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:18:31,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:18:31,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:18:31,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:18:31,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:18:31,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:18:31,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:18:31,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:18:31,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:18:31,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:18:31,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:18:31,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:18:31,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:18:31,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:18:31,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:18:31,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:18:31,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:18:31,702 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:18:31,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:18:31,702 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:18:31,702 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:18:31,703 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:18:31,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:18:31,703 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:18:31,703 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:18:31,703 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:18:31,703 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:18:31,704 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:18:31,704 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:18:31,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:18:31,705 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:18:31,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:18:31,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:18:31,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:18:31,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:18:31,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:18:31,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:18:31,709 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 [2022-04-18 19:18:32,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:18:32,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:18:32,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:18:32,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:18:32,038 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:18:32,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-04-18 19:18:32,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96a005cb5/0c9ecde2d3db4c62b5a2963b184011b3/FLAGd35da36ab [2022-04-18 19:18:32,545 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:18:32,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-04-18 19:18:32,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96a005cb5/0c9ecde2d3db4c62b5a2963b184011b3/FLAGd35da36ab [2022-04-18 19:18:32,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96a005cb5/0c9ecde2d3db4c62b5a2963b184011b3 [2022-04-18 19:18:32,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:18:32,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:18:32,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:18:32,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:18:32,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:18:32,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2873c379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32, skipping insertion in model container [2022-04-18 19:18:32,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:18:32,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:18:32,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-04-18 19:18:32,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-04-18 19:18:32,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-04-18 19:18:32,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-04-18 19:18:32,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-04-18 19:18:32,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-04-18 19:18:32,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:18:32,900 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:18:32,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-04-18 19:18:32,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-04-18 19:18:32,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-04-18 19:18:32,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-04-18 19:18:32,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-04-18 19:18:32,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-04-18 19:18:32,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:18:32,950 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:18:32,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32 WrapperNode [2022-04-18 19:18:32,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:18:32,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:18:32,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:18:32,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:18:32,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,986 INFO L137 Inliner]: procedures = 176, calls = 35, calls flagged for inlining = 27, calls inlined = 41, statements flattened = 374 [2022-04-18 19:18:32,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:18:32,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:18:32,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:18:32,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:18:32,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:32,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:33,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:33,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:33,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:33,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:18:33,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:18:33,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:18:33,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:18:33,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (1/1) ... [2022-04-18 19:18:33,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:18:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:18:33,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:18:33,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:18:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-04-18 19:18:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-04-18 19:18:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:18:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:18:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:18:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:18:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:18:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:18:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:18:33,107 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:18:33,187 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:18:33,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:18:33,491 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:18:33,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:18:33,655 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-18 19:18:33,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:18:33 BoogieIcfgContainer [2022-04-18 19:18:33,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:18:33,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:18:33,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:18:33,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:18:33,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:18:32" (1/3) ... [2022-04-18 19:18:33,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a4c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:18:33, skipping insertion in model container [2022-04-18 19:18:33,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:18:32" (2/3) ... [2022-04-18 19:18:33,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a4c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:18:33, skipping insertion in model container [2022-04-18 19:18:33,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:18:33" (3/3) ... [2022-04-18 19:18:33,665 INFO L111 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2022-04-18 19:18:33,669 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:18:33,669 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:18:33,669 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2022-04-18 19:18:33,669 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:18:33,731 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:18:33,773 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:18:33,779 INFO L340 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 [2022-04-18 19:18:33,780 INFO L341 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2022-04-18 19:18:33,794 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:18:33,803 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 254 transitions, 513 flow [2022-04-18 19:18:33,806 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 254 transitions, 513 flow [2022-04-18 19:18:33,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 232 places, 254 transitions, 513 flow [2022-04-18 19:18:33,873 INFO L129 PetriNetUnfolder]: 26/265 cut-off events. [2022-04-18 19:18:33,874 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:18:33,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 265 events. 26/265 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 824 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 236. Up to 6 conditions per place. [2022-04-18 19:18:33,887 INFO L116 LiptonReduction]: Number of co-enabled transitions 6244 [2022-04-18 19:18:40,414 INFO L131 LiptonReduction]: Checked pairs total: 6497 [2022-04-18 19:18:40,414 INFO L133 LiptonReduction]: Total number of compositions: 459 [2022-04-18 19:18:40,424 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 59 transitions, 123 flow [2022-04-18 19:18:40,461 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 267 states, 166 states have (on average 2.8795180722891565) internal successors, (478), 266 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 267 states, 166 states have (on average 2.8795180722891565) internal successors, (478), 266 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 19:18:40,468 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:18:40,469 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 19:18:40,469 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err43ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-04-18 19:18:40,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:18:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1789150523, now seen corresponding path program 1 times [2022-04-18 19:18:40,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:18:40,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727175357] [2022-04-18 19:18:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:18:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:18:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:18:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:18:40,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:18:40,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727175357] [2022-04-18 19:18:40,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727175357] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:18:40,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:18:40,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 19:18:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150951951] [2022-04-18 19:18:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:18:40,648 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:18:40,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:18:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:18:40,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:18:40,666 INFO L87 Difference]: Start difference. First operand has 267 states, 166 states have (on average 2.8795180722891565) internal successors, (478), 266 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:18:40,689 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. [2022-04-18 19:18:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:18:40,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 19:18:40,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:18:40,695 INFO L225 Difference]: With dead ends: 11 [2022-04-18 19:18:40,695 INFO L226 Difference]: Without dead ends: 11 [2022-04-18 19:18:40,696 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:18:40,699 INFO L913 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:18:40,702 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:18:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-04-18 19:18:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-04-18 19:18:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. [2022-04-18 19:18:40,724 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 17 transitions. Word has length 5 [2022-04-18 19:18:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:18:40,724 INFO L478 AbstractCegarLoop]: Abstraction has 11 states and 17 transitions. [2022-04-18 19:18:40,724 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2022-04-18 19:18:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-04-18 19:18:40,725 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:18:40,725 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-04-18 19:18:40,725 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 19:18:40,726 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-04-18 19:18:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:18:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash -370686386, now seen corresponding path program 1 times [2022-04-18 19:18:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:18:40,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259237347] [2022-04-18 19:18:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:18:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:18:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:18:40,743 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 19:18:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:18:40,764 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-04-18 19:18:40,764 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 19:18:40,765 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 101 remaining) [2022-04-18 19:18:40,766 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2022-04-18 19:18:40,767 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2022-04-18 19:18:40,768 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2022-04-18 19:18:40,769 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2022-04-18 19:18:40,770 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2022-04-18 19:18:40,771 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2022-04-18 19:18:40,772 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2022-04-18 19:18:40,773 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2022-04-18 19:18:40,774 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2022-04-18 19:18:40,775 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2022-04-18 19:18:40,776 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2022-04-18 19:18:40,777 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2022-04-18 19:18:40,778 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2022-04-18 19:18:40,779 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2022-04-18 19:18:40,780 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2022-04-18 19:18:40,781 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2022-04-18 19:18:40,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2022-04-18 19:18:40,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2022-04-18 19:18:40,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2022-04-18 19:18:40,782 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 19:18:40,784 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-18 19:18:40,784 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 19:18:40,785 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 19:18:40,806 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:18:40,807 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:18:40,808 INFO L340 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 [2022-04-18 19:18:40,808 INFO L341 AbstractCegarLoop]: Starting to check reachability of 151 error locations. [2022-04-18 19:18:40,811 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:18:40,811 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 434 places, 478 transitions, 968 flow [2022-04-18 19:18:40,811 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 434 places, 478 transitions, 968 flow [2022-04-18 19:18:40,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 478 transitions, 968 flow [2022-04-18 19:18:40,904 INFO L129 PetriNetUnfolder]: 51/502 cut-off events. [2022-04-18 19:18:40,904 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 19:18:40,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 502 events. 51/502 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2389 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 459. Up to 6 conditions per place. [2022-04-18 19:18:40,943 INFO L116 LiptonReduction]: Number of co-enabled transitions 112392 [2022-04-18 19:18:56,059 INFO L131 LiptonReduction]: Checked pairs total: 1267671 [2022-04-18 19:18:56,059 INFO L133 LiptonReduction]: Total number of compositions: 799 [2022-04-18 19:18:56,061 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 247 places, 264 transitions, 540 flow [2022-04-18 19:18:57,549 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 84135 states, 78884 states have (on average 3.1957811470006594) internal successors, (252096), 84134 states have internal predecessors, (252096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 84135 states, 78884 states have (on average 3.1957811470006594) internal successors, (252096), 84134 states have internal predecessors, (252096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 19:18:57,654 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:18:57,654 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 19:18:57,655 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err30ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-04-18 19:18:57,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:18:57,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1235478802, now seen corresponding path program 1 times [2022-04-18 19:18:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:18:57,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566860975] [2022-04-18 19:18:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:18:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:18:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:18:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:18:57,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:18:57,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566860975] [2022-04-18 19:18:57,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566860975] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:18:57,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:18:57,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 19:18:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650352577] [2022-04-18 19:18:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:18:57,827 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:18:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:18:57,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:18:57,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:18:57,960 INFO L87 Difference]: Start difference. First operand has 84135 states, 78884 states have (on average 3.1957811470006594) internal successors, (252096), 84134 states have internal predecessors, (252096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:18:58,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:18:58,341 INFO L93 Difference]: Finished difference Result 36468 states and 108665 transitions. [2022-04-18 19:18:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:18:58,342 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 19:18:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:18:58,533 INFO L225 Difference]: With dead ends: 36468 [2022-04-18 19:18:58,533 INFO L226 Difference]: Without dead ends: 36468 [2022-04-18 19:18:58,534 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:18:58,536 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 19:18:58,536 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 19:18:58,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36468 states. [2022-04-18 19:18:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36468 to 36468. [2022-04-18 19:18:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36468 states, 36144 states have (on average 3.006446436476317) internal successors, (108665), 36467 states have internal predecessors, (108665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36468 states to 36468 states and 108665 transitions. [2022-04-18 19:19:00,091 INFO L78 Accepts]: Start accepts. Automaton has 36468 states and 108665 transitions. Word has length 5 [2022-04-18 19:19:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:19:00,092 INFO L478 AbstractCegarLoop]: Abstraction has 36468 states and 108665 transitions. [2022-04-18 19:19:00,092 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36468 states and 108665 transitions. [2022-04-18 19:19:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 19:19:00,094 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:19:00,094 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:19:00,094 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 19:19:00,094 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err47ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-04-18 19:19:00,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:19:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1884181147, now seen corresponding path program 1 times [2022-04-18 19:19:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:19:00,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027209107] [2022-04-18 19:19:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:19:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:19:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:19:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:19:00,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:19:00,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027209107] [2022-04-18 19:19:00,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027209107] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:19:00,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:19:00,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:19:00,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84225807] [2022-04-18 19:19:00,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:19:00,175 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:19:00,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:19:00,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:19:00,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:19:00,182 INFO L87 Difference]: Start difference. First operand 36468 states and 108665 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:19:01,266 INFO L93 Difference]: Finished difference Result 46124 states and 134961 transitions. [2022-04-18 19:19:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:19:01,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-04-18 19:19:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:19:01,648 INFO L225 Difference]: With dead ends: 46124 [2022-04-18 19:19:01,649 INFO L226 Difference]: Without dead ends: 46124 [2022-04-18 19:19:01,649 INFO L912 BasicCegarLoop]: 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 [2022-04-18 19:19:01,651 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 127 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-18 19:19:01,653 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 228 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-18 19:19:01,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46124 states. [2022-04-18 19:19:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46124 to 37245. [2022-04-18 19:19:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37245 states, 36970 states have (on average 2.8926967811739246) internal successors, (106943), 37244 states have internal predecessors, (106943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37245 states to 37245 states and 106943 transitions. [2022-04-18 19:19:02,716 INFO L78 Accepts]: Start accepts. Automaton has 37245 states and 106943 transitions. Word has length 7 [2022-04-18 19:19:02,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:19:02,716 INFO L478 AbstractCegarLoop]: Abstraction has 37245 states and 106943 transitions. [2022-04-18 19:19:02,716 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 37245 states and 106943 transitions. [2022-04-18 19:19:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 19:19:02,718 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:19:02,718 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 19:19:02,718 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 19:19:02,718 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-04-18 19:19:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:19:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash 313944166, now seen corresponding path program 1 times [2022-04-18 19:19:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:19:02,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821598995] [2022-04-18 19:19:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:19:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:19:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:19:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:19:02,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:19:02,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821598995] [2022-04-18 19:19:02,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821598995] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:19:02,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:19:02,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:19:02,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053263698] [2022-04-18 19:19:02,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:19:02,762 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:19:02,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:19:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:19:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:19:02,762 INFO L87 Difference]: Start difference. First operand 37245 states and 106943 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:19:03,324 INFO L93 Difference]: Finished difference Result 59589 states and 171395 transitions. [2022-04-18 19:19:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:19:03,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-04-18 19:19:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:19:03,563 INFO L225 Difference]: With dead ends: 59589 [2022-04-18 19:19:03,563 INFO L226 Difference]: Without dead ends: 59589 [2022-04-18 19:19:03,563 INFO L912 BasicCegarLoop]: 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 [2022-04-18 19:19:03,564 INFO L913 BasicCegarLoop]: 179 mSDtfsCounter, 165 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 19:19:03,565 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 272 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 19:19:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59589 states. [2022-04-18 19:19:04,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59589 to 38450. [2022-04-18 19:19:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38450 states, 38270 states have (on average 2.851659263130389) internal successors, (109133), 38449 states have internal predecessors, (109133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38450 states to 38450 states and 109133 transitions. [2022-04-18 19:19:04,721 INFO L78 Accepts]: Start accepts. Automaton has 38450 states and 109133 transitions. Word has length 10 [2022-04-18 19:19:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:19:04,722 INFO L478 AbstractCegarLoop]: Abstraction has 38450 states and 109133 transitions. [2022-04-18 19:19:04,722 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:19:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38450 states and 109133 transitions. [2022-04-18 19:19:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-18 19:19:04,723 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:19:04,724 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-04-18 19:19:04,724 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 19:19:04,724 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-04-18 19:19:04,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:19:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1721975185, now seen corresponding path program 1 times [2022-04-18 19:19:04,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:19:04,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6653573] [2022-04-18 19:19:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:19:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:19:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:19:04,735 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 19:19:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:19:04,743 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-04-18 19:19:04,744 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (150 of 151 remaining) [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (149 of 151 remaining) [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (148 of 151 remaining) [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (147 of 151 remaining) [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (146 of 151 remaining) [2022-04-18 19:19:04,744 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (145 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (144 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (143 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (142 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (141 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (140 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (139 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (138 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (137 of 151 remaining) [2022-04-18 19:19:04,745 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (136 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (135 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (134 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (133 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (132 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (131 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (130 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (129 of 151 remaining) [2022-04-18 19:19:04,746 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (128 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (127 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (126 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (125 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (124 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (123 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (122 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (121 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (120 of 151 remaining) [2022-04-18 19:19:04,747 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (119 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (118 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (117 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (116 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (115 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (113 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (112 of 151 remaining) [2022-04-18 19:19:04,748 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (111 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (110 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (109 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (108 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (107 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (106 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (105 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (104 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (103 of 151 remaining) [2022-04-18 19:19:04,749 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (102 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (101 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (100 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 151 remaining) [2022-04-18 19:19:04,750 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 151 remaining) [2022-04-18 19:19:04,751 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 151 remaining) [2022-04-18 19:19:04,752 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 151 remaining) [2022-04-18 19:19:04,753 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 151 remaining) [2022-04-18 19:19:04,754 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 151 remaining) [2022-04-18 19:19:04,755 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 151 remaining) [2022-04-18 19:19:04,756 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 151 remaining) [2022-04-18 19:19:04,757 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 151 remaining) [2022-04-18 19:19:04,758 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 151 remaining) [2022-04-18 19:19:04,759 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 151 remaining) [2022-04-18 19:19:04,760 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 151 remaining) [2022-04-18 19:19:04,761 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 151 remaining) [2022-04-18 19:19:04,761 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 19:19:04,762 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 19:19:04,762 WARN L232 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 19:19:04,762 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-04-18 19:19:04,788 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:19:04,788 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:19:04,789 INFO L340 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 [2022-04-18 19:19:04,789 INFO L341 AbstractCegarLoop]: Starting to check reachability of 201 error locations. [2022-04-18 19:19:04,792 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:19:04,792 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 702 transitions, 1425 flow [2022-04-18 19:19:04,792 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 702 transitions, 1425 flow [2022-04-18 19:19:04,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 702 transitions, 1425 flow [2022-04-18 19:19:05,124 INFO L129 PetriNetUnfolder]: 76/739 cut-off events. [2022-04-18 19:19:05,124 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-04-18 19:19:05,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 739 events. 76/739 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4162 event pairs, 0 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 682. Up to 8 conditions per place. [2022-04-18 19:19:05,225 INFO L116 LiptonReduction]: Number of co-enabled transitions 318444 [2022-04-18 19:19:39,865 INFO L131 LiptonReduction]: Checked pairs total: 3734694 [2022-04-18 19:19:39,865 INFO L133 LiptonReduction]: Total number of compositions: 1193 [2022-04-18 19:19:39,867 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 367 places, 393 transitions, 807 flow