./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P --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 e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:49:54,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:49:54,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:49:54,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:49:54,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:49:54,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:49:54,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:49:54,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:49:54,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:49:54,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:49:54,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:49:54,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:49:54,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:49:54,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:49:54,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:49:54,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:49:54,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:49:54,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:49:54,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:49:54,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:49:54,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:49:54,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:49:54,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:49:54,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:49:54,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:49:54,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:49:54,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:49:54,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:49:54,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:49:54,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:49:54,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:49:54,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:49:54,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:49:54,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:49:54,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:49:54,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:49:54,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:49:54,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:49:54,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:49:54,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:49:54,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:49:54,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-20 23:49:54,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:49:54,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:49:54,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:49:54,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:49:54,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:49:54,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:49:54,852 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:49:54,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:49:54,853 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:49:54,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:49:54,854 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:49:54,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:49:54,855 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:49:54,855 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:49:54,855 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:49:54,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:49:54,856 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:49:54,856 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:49:54,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:49:54,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:49:54,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:49:54,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:49:54,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:49:54,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:49:54,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:49:54,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:49:54,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:49:54,861 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 23:49:54,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:49:54,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:49:54,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:49:54,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:49:54,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:49:54,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:49:54,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:49:54,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:49:54,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:49:54,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:49:54,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:49:54,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:49:54,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:49:54,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:49:54,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:49:54,865 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 [2021-11-20 23:49:55,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:49:55,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:49:55,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:49:55,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:49:55,215 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:49:55,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-20 23:49:55,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/data/4edd632f6/1e3eb515fec545d5b2396bc85507db28/FLAGadf3f9773 [2021-11-20 23:49:55,940 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:49:55,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-20 23:49:55,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/data/4edd632f6/1e3eb515fec545d5b2396bc85507db28/FLAGadf3f9773 [2021-11-20 23:49:56,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/data/4edd632f6/1e3eb515fec545d5b2396bc85507db28 [2021-11-20 23:49:56,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:49:56,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:49:56,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:49:56,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:49:56,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:49:56,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487f949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56, skipping insertion in model container [2021-11-20 23:49:56,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:49:56,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:49:56,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-20 23:49:56,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:49:56,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:49:56,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-20 23:49:56,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:49:56,724 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:49:56,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56 WrapperNode [2021-11-20 23:49:56,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:49:56,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:56,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:49:56,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:49:56,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,818 INFO L137 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 167 [2021-11-20 23:49:56,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:56,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:49:56,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:49:56,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:49:56,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:49:56,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:49:56,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:49:56,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:49:56,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (1/1) ... [2021-11-20 23:49:56,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:49:56,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:56,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:49:56,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fdb878-53c8-4074-90d1-8e2033f1eba5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:49:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:49:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:49:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:49:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-20 23:49:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-20 23:49:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:49:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:49:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:49:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:49:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:49:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-20 23:49:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-20 23:49:56,982 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 23:49:57,197 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:49:57,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:49:57,660 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:49:57,790 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:49:57,792 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:49:57,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:57 BoogieIcfgContainer [2021-11-20 23:49:57,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:49:57,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:49:57,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:49:57,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:49:57,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:49:56" (1/3) ... [2021-11-20 23:49:57,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb9225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:57, skipping insertion in model container [2021-11-20 23:49:57,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:56" (2/3) ... [2021-11-20 23:49:57,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb9225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:57, skipping insertion in model container [2021-11-20 23:49:57,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:57" (3/3) ... [2021-11-20 23:49:57,810 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2021-11-20 23:49:57,817 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 23:49:57,818 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:49:57,818 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-20 23:49:57,818 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 23:49:57,892 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,892 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,892 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,893 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,894 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,894 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,895 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,895 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,895 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,895 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,896 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,896 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,897 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,897 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,898 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,899 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,899 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,899 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,900 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,900 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,901 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,901 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,901 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,901 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,902 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,902 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,902 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,903 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,903 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,904 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,904 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,904 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,905 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,905 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,905 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,906 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,906 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,906 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,907 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,907 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,908 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,908 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,908 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,908 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,909 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,910 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,910 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,910 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,910 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,911 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,911 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,911 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,912 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,912 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,913 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,913 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,913 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,914 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,914 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,914 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,914 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,915 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,916 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,916 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,916 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,916 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,917 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,917 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,917 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,917 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,918 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,918 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,919 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,920 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,923 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,924 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,924 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,925 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,926 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,927 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,928 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,928 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,928 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,936 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,937 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,937 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,938 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,938 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,938 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,938 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,939 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,939 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,940 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,940 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,941 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,941 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,941 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,942 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,942 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,943 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,944 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,944 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,944 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,945 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,945 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,945 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,945 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,946 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,947 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,947 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,947 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,947 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,948 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,948 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,948 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,948 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,949 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,949 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,949 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,949 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,950 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,950 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,950 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,950 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,951 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,951 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,951 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,951 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,952 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,952 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,952 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,953 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,953 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,953 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,953 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,954 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,954 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,955 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,955 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,955 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,956 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,957 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,958 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,958 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,958 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,959 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,959 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,961 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,961 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,962 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,962 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,962 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,962 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,963 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,963 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,963 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,964 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,964 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,964 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,964 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,965 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,965 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,965 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,965 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,968 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,968 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,969 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,969 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,969 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,970 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,970 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,970 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,970 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,971 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,971 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,971 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,971 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,972 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,972 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,972 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,973 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,973 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,973 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,973 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,974 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,974 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,974 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,974 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,975 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,975 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,975 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,975 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,976 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,976 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,977 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,977 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,978 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,978 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,978 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,979 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,980 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,985 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,985 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,985 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,986 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,986 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,986 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,986 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,987 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,987 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,988 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,989 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,989 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,989 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,990 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,990 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,990 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,990 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,991 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,991 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,998 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,998 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,999 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,999 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:57,999 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,000 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,000 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,001 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,001 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,001 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,002 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,003 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,003 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,004 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,004 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,013 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,014 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,014 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,014 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,015 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,016 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,017 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,017 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,017 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,017 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,018 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,018 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,018 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,019 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,019 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,020 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,020 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,021 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,021 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,022 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,022 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,022 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,023 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,023 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,023 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:49:58,030 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-20 23:49:58,091 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:49:58,100 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:49:58,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-20 23:49:58,122 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-20 23:49:58,139 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 196 transitions, 424 flow [2021-11-20 23:49:58,142 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 196 transitions, 424 flow [2021-11-20 23:49:58,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 196 transitions, 424 flow [2021-11-20 23:49:58,253 INFO L129 PetriNetUnfolder]: 2/192 cut-off events. [2021-11-20 23:49:58,254 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 23:49:58,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 192 events. 2/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 362 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2021-11-20 23:49:58,284 INFO L116 LiptonReduction]: Number of co-enabled transitions 13728 [2021-11-20 23:50:04,289 INFO L131 LiptonReduction]: Checked pairs total: 107880 [2021-11-20 23:50:04,289 INFO L133 LiptonReduction]: Total number of compositions: 159 [2021-11-20 23:50:04,303 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 94 transitions, 220 flow [2021-11-20 23:50:16,824 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 23:50:17,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:17,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 23:50:17,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 23:50:17,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:17,256 INFO L85 PathProgramCache]: Analyzing trace with hash 693737, now seen corresponding path program 1 times [2021-11-20 23:50:17,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:17,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931312901] [2021-11-20 23:50:17,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:17,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:17,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:17,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931312901] [2021-11-20 23:50:17,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931312901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:17,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:17,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 23:50:17,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350785001] [2021-11-20 23:50:17,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:17,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:50:17,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:17,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:50:17,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:50:18,080 INFO L87 Difference]: Start difference. First operand has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:20,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:20,736 INFO L93 Difference]: Finished difference Result 75657 states and 311628 transitions. [2021-11-20 23:50:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:50:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-20 23:50:20,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:21,749 INFO L225 Difference]: With dead ends: 75657 [2021-11-20 23:50:21,749 INFO L226 Difference]: Without dead ends: 75610 [2021-11-20 23:50:21,751 INFO L932 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 [2021-11-20 23:50:21,758 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:21,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:50:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75610 states. [2021-11-20 23:50:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75610 to 75610. [2021-11-20 23:50:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75610 states, 75386 states have (on average 4.131363913724034) internal successors, (311447), 75609 states have internal predecessors, (311447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75610 states to 75610 states and 311447 transitions. [2021-11-20 23:50:28,494 INFO L78 Accepts]: Start accepts. Automaton has 75610 states and 311447 transitions. Word has length 3 [2021-11-20 23:50:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:28,495 INFO L470 AbstractCegarLoop]: Abstraction has 75610 states and 311447 transitions. [2021-11-20 23:50:28,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 75610 states and 311447 transitions. [2021-11-20 23:50:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 23:50:28,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:28,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 23:50:28,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:50:28,498 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 23:50:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:28,504 INFO L85 PathProgramCache]: Analyzing trace with hash -807251549, now seen corresponding path program 1 times [2021-11-20 23:50:28,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:28,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715891478] [2021-11-20 23:50:28,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:28,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:28,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:28,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715891478] [2021-11-20 23:50:28,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715891478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:28,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:28,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:50:28,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097501430] [2021-11-20 23:50:28,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:28,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:28,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:28,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:28,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:28,618 INFO L87 Difference]: Start difference. First operand 75610 states and 311447 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:30,821 INFO L93 Difference]: Finished difference Result 82404 states and 340389 transitions. [2021-11-20 23:50:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:30,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-20 23:50:30,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:31,523 INFO L225 Difference]: With dead ends: 82404 [2021-11-20 23:50:31,523 INFO L226 Difference]: Without dead ends: 82404 [2021-11-20 23:50:31,524 INFO L932 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 [2021-11-20 23:50:31,525 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 45 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:31,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 69 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:50:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82404 states. [2021-11-20 23:50:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82404 to 82404. [2021-11-20 23:50:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82404 states, 82180 states have (on average 4.141993185689949) internal successors, (340389), 82403 states have internal predecessors, (340389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82404 states to 82404 states and 340389 transitions. [2021-11-20 23:50:36,451 INFO L78 Accepts]: Start accepts. Automaton has 82404 states and 340389 transitions. Word has length 6 [2021-11-20 23:50:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:36,452 INFO L470 AbstractCegarLoop]: Abstraction has 82404 states and 340389 transitions. [2021-11-20 23:50:36,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 82404 states and 340389 transitions. [2021-11-20 23:50:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 23:50:36,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:36,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:50:36,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:50:36,453 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 23:50:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash 815373465, now seen corresponding path program 1 times [2021-11-20 23:50:36,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:36,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200041895] [2021-11-20 23:50:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:36,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:36,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200041895] [2021-11-20 23:50:36,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200041895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:36,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:36,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:50:36,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691505065] [2021-11-20 23:50:36,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:36,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:36,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:36,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:36,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:36,511 INFO L87 Difference]: Start difference. First operand 82404 states and 340389 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) [2021-11-20 23:50:38,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:38,846 INFO L93 Difference]: Finished difference Result 148368 states and 597866 transitions. [2021-11-20 23:50:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:38,846 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 [2021-11-20 23:50:38,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:41,032 INFO L225 Difference]: With dead ends: 148368 [2021-11-20 23:50:41,033 INFO L226 Difference]: Without dead ends: 148264 [2021-11-20 23:50:41,033 INFO L932 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 [2021-11-20 23:50:41,038 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 53 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:41,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 52 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:50:41,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148264 states. [2021-11-20 23:50:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148264 to 95168. [2021-11-20 23:50:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95168 states, 94944 states have (on average 4.117342854735423) internal successors, (390917), 95167 states have internal predecessors, (390917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95168 states to 95168 states and 390917 transitions. [2021-11-20 23:50:46,575 INFO L78 Accepts]: Start accepts. Automaton has 95168 states and 390917 transitions. Word has length 7 [2021-11-20 23:50:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:46,575 INFO L470 AbstractCegarLoop]: Abstraction has 95168 states and 390917 transitions. [2021-11-20 23:50:46,576 INFO L471 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) [2021-11-20 23:50:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 95168 states and 390917 transitions. [2021-11-20 23:50:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:50:46,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:46,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:50:46,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:50:46,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 23:50:46,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:46,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1306062217, now seen corresponding path program 1 times [2021-11-20 23:50:46,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:46,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916090874] [2021-11-20 23:50:46,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:46,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:46,647 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:46,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916090874] [2021-11-20 23:50:46,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916090874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:46,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:46,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:50:46,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490260957] [2021-11-20 23:50:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:46,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:46,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:46,649 INFO L87 Difference]: Start difference. First operand 95168 states and 390917 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:48,698 INFO L93 Difference]: Finished difference Result 103114 states and 424427 transitions. [2021-11-20 23:50:48,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:48,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 23:50:48,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:49,325 INFO L225 Difference]: With dead ends: 103114 [2021-11-20 23:50:49,326 INFO L226 Difference]: Without dead ends: 102880 [2021-11-20 23:50:49,326 INFO L932 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 [2021-11-20 23:50:49,327 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 46 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:49,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 92 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:50:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102880 states. [2021-11-20 23:50:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102880 to 102880. [2021-11-20 23:50:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102880 states, 102656 states have (on average 4.1229738154613464) internal successors, (423248), 102879 states have internal predecessors, (423248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102880 states to 102880 states and 423248 transitions. [2021-11-20 23:50:54,874 INFO L78 Accepts]: Start accepts. Automaton has 102880 states and 423248 transitions. Word has length 9 [2021-11-20 23:50:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:54,875 INFO L470 AbstractCegarLoop]: Abstraction has 102880 states and 423248 transitions. [2021-11-20 23:50:54,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 102880 states and 423248 transitions. [2021-11-20 23:50:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:50:54,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:54,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:50:54,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:50:54,892 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-20 23:50:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1767631679, now seen corresponding path program 1 times [2021-11-20 23:50:54,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:54,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603328304] [2021-11-20 23:50:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:54,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:55,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:55,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603328304] [2021-11-20 23:50:55,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603328304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:55,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:55,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:50:55,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58137112] [2021-11-20 23:50:55,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:55,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:55,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:55,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:55,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:55,062 INFO L87 Difference]: Start difference. First operand 102880 states and 423248 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:50:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:55,895 INFO L93 Difference]: Finished difference Result 78780 states and 305622 transitions. [2021-11-20 23:50:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:55,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 23:50:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:56,257 INFO L225 Difference]: With dead ends: 78780 [2021-11-20 23:50:56,257 INFO L226 Difference]: Without dead ends: 78780 [2021-11-20 23:50:56,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:56,258 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 53 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:56,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 83 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:50:56,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78780 states.