./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b71c781c26c072fdf5838e0877462128517513c3df1f3bde9f2474cb4533ecb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:33:11,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:33:11,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:33:12,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:33:12,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:33:12,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:33:12,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:33:12,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:33:12,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:33:12,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:33:12,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:33:12,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:33:12,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:33:12,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:33:12,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:33:12,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:33:12,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:33:12,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:33:12,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:33:12,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:33:12,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:33:12,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:33:12,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:33:12,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:33:12,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:33:12,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:33:12,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:33:12,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:33:12,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:33:12,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:33:12,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:33:12,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:33:12,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:33:12,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:33:12,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:33:12,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:33:12,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:33:12,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:33:12,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:33:12,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:33:12,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:33:12,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 23:33:12,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:33:12,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:33:12,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:33:12,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:33:12,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:33:12,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:33:12,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:33:12,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:33:12,076 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:33:12,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:33:12,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:33:12,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:33:12,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:33:12,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:33:12,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:33:12,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b71c781c26c072fdf5838e0877462128517513c3df1f3bde9f2474cb4533ecb [2021-12-06 23:33:12,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:33:12,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:33:12,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:33:12,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:33:12,305 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:33:12,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i [2021-12-06 23:33:12,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/data/b1501b917/e446a959bb1047bfb0f4499f051f692c/FLAG6bdfddacb [2021-12-06 23:33:12,748 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:33:12,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i [2021-12-06 23:33:12,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/data/b1501b917/e446a959bb1047bfb0f4499f051f692c/FLAG6bdfddacb [2021-12-06 23:33:12,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/data/b1501b917/e446a959bb1047bfb0f4499f051f692c [2021-12-06 23:33:12,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:33:12,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:33:12,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:33:12,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:33:12,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:33:12,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:33:12" (1/1) ... [2021-12-06 23:33:12,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169a543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:12, skipping insertion in model container [2021-12-06 23:33:12,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:33:12" (1/1) ... [2021-12-06 23:33:12,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:33:12,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:33:13,066 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_68fed12a-a02d-4702-b30b-8c867d59c1ac/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-12-06 23:33:13,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:33:13,080 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:33:13,108 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_68fed12a-a02d-4702-b30b-8c867d59c1ac/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-12-06 23:33:13,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:33:13,139 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:33:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13 WrapperNode [2021-12-06 23:33:13,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:33:13,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:33:13,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:33:13,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:33:13,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,177 INFO L137 Inliner]: procedures = 170, calls = 34, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 166 [2021-12-06 23:33:13,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:33:13,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:33:13,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:33:13,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:33:13,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:33:13,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:33:13,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:33:13,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:33:13,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (1/1) ... [2021-12-06 23:33:13,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:33:13,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:33:13,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:33:13,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-12-06 23:33:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:33:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:33:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:33:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:33:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:33:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-12-06 23:33:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-12-06 23:33:13,268 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:33:13,361 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:33:13,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:33:13,585 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:33:13,646 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:33:13,646 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:33:13,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:33:13 BoogieIcfgContainer [2021-12-06 23:33:13,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:33:13,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:33:13,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:33:13,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:33:13,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:33:12" (1/3) ... [2021-12-06 23:33:13,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7fb55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:33:13, skipping insertion in model container [2021-12-06 23:33:13,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:33:13" (2/3) ... [2021-12-06 23:33:13,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7fb55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:33:13, skipping insertion in model container [2021-12-06 23:33:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:33:13" (3/3) ... [2021-12-06 23:33:13,657 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2b.i [2021-12-06 23:33:13,663 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:33:13,663 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:33:13,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-12-06 23:33:13,663 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:33:13,702 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,702 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,702 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,703 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,703 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,703 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,703 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,703 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,704 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,704 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,704 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,704 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,704 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,705 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,706 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,707 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,707 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,707 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,707 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,707 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,708 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,708 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,708 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,708 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,709 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,710 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,710 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,710 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,710 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,711 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,711 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,711 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,711 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,712 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,712 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,712 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,712 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,712 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,713 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,714 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,714 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,714 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,715 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,715 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,715 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,715 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,716 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,716 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,716 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,716 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,716 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,717 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,718 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,718 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,718 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,719 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,720 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,721 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,721 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,721 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,721 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,721 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,722 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,723 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,723 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,723 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,724 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,725 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,726 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,726 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,726 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,727 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,728 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,729 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,730 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,730 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,730 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,730 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,731 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,731 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,731 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,731 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,732 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,732 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,732 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,732 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,733 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,734 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,735 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,736 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,736 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,736 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,736 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,736 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,737 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,738 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,739 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,740 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,740 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,740 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,740 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,740 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,741 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,741 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,741 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,741 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,741 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,742 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,742 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,742 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,743 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,744 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,745 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,746 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,746 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,746 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,749 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,749 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,749 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,749 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,750 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,751 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,752 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,752 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,752 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,752 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,753 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,754 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,754 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,754 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,754 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,755 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:33:13,758 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-06 23:33:13,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:33:13,798 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=PETRI_NET, 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 [2021-12-06 23:33:13,798 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-12-06 23:33:13,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 210 transitions, 452 flow [2021-12-06 23:33:13,885 INFO L129 PetriNetUnfolder]: 2/206 cut-off events. [2021-12-06 23:33:13,885 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 23:33:13,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 206 events. 2/206 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 402 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2021-12-06 23:33:13,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 210 transitions, 452 flow [2021-12-06 23:33:13,901 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 192 transitions, 405 flow [2021-12-06 23:33:13,907 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-12-06 23:33:13,907 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:33:13,907 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:13,908 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:13,908 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:13,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:13,912 INFO L85 PathProgramCache]: Analyzing trace with hash -501401201, now seen corresponding path program 1 times [2021-12-06 23:33:13,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:13,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669586039] [2021-12-06 23:33:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:14,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:14,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669586039] [2021-12-06 23:33:14,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669586039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:14,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:14,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 23:33:14,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070404349] [2021-12-06 23:33:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:14,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 23:33:14,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 23:33:14,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:33:14,096 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 210 [2021-12-06 23:33:14,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 192 transitions, 405 flow. Second operand has 2 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:14,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 210 [2021-12-06 23:33:14,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:14,246 INFO L129 PetriNetUnfolder]: 51/864 cut-off events. [2021-12-06 23:33:14,246 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2021-12-06 23:33:14,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 864 events. 51/864 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5453 event pairs, 51 based on Foata normal form. 19/727 useless extension candidates. Maximal degree in co-relation 859. Up to 96 conditions per place. [2021-12-06 23:33:14,257 INFO L132 encePairwiseOnDemand]: 196/210 looper letters, 11 selfloop transitions, 0 changer transitions 0/176 dead transitions. [2021-12-06 23:33:14,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 176 transitions, 395 flow [2021-12-06 23:33:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 23:33:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 23:33:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 389 transitions. [2021-12-06 23:33:14,268 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9261904761904762 [2021-12-06 23:33:14,269 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 389 transitions. [2021-12-06 23:33:14,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 389 transitions. [2021-12-06 23:33:14,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:14,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 389 transitions. [2021-12-06 23:33:14,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 194.5) internal successors, (389), 2 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,284 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,286 INFO L186 Difference]: Start difference. First operand has 203 places, 192 transitions, 405 flow. Second operand 2 states and 389 transitions. [2021-12-06 23:33:14,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 176 transitions, 395 flow [2021-12-06 23:33:14,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 176 transitions, 382 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-06 23:33:14,296 INFO L242 Difference]: Finished difference. Result has 183 places, 176 transitions, 360 flow [2021-12-06 23:33:14,298 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=360, PETRI_PLACES=183, PETRI_TRANSITIONS=176} [2021-12-06 23:33:14,302 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -20 predicate places. [2021-12-06 23:33:14,302 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 176 transitions, 360 flow [2021-12-06 23:33:14,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,303 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:14,303 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:14,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:33:14,303 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:14,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1212378925, now seen corresponding path program 1 times [2021-12-06 23:33:14,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:14,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689198305] [2021-12-06 23:33:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:14,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:14,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:14,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689198305] [2021-12-06 23:33:14,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689198305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:14,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:14,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:14,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945146424] [2021-12-06 23:33:14,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:14,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:14,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:14,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:14,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:14,381 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 210 [2021-12-06 23:33:14,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 176 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:14,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:14,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 210 [2021-12-06 23:33:14,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:16,741 INFO L129 PetriNetUnfolder]: 8850/24455 cut-off events. [2021-12-06 23:33:16,741 INFO L130 PetriNetUnfolder]: For 368/368 co-relation queries the response was YES. [2021-12-06 23:33:16,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37721 conditions, 24455 events. 8850/24455 cut-off events. For 368/368 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 285083 event pairs, 6197 based on Foata normal form. 0/18885 useless extension candidates. Maximal degree in co-relation 37718. Up to 10013 conditions per place. [2021-12-06 23:33:16,988 INFO L132 encePairwiseOnDemand]: 201/210 looper letters, 46 selfloop transitions, 8 changer transitions 0/199 dead transitions. [2021-12-06 23:33:16,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 199 transitions, 518 flow [2021-12-06 23:33:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2021-12-06 23:33:16,992 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8587301587301587 [2021-12-06 23:33:16,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2021-12-06 23:33:16,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2021-12-06 23:33:16,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:16,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2021-12-06 23:33:16,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:16,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:16,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:16,997 INFO L186 Difference]: Start difference. First operand has 183 places, 176 transitions, 360 flow. Second operand 3 states and 541 transitions. [2021-12-06 23:33:16,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 199 transitions, 518 flow [2021-12-06 23:33:16,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 199 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:33:17,001 INFO L242 Difference]: Finished difference. Result has 187 places, 183 transitions, 422 flow [2021-12-06 23:33:17,002 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=187, PETRI_TRANSITIONS=183} [2021-12-06 23:33:17,002 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -16 predicate places. [2021-12-06 23:33:17,003 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 183 transitions, 422 flow [2021-12-06 23:33:17,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:17,003 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:17,003 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:17,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:33:17,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:17,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash 875355591, now seen corresponding path program 1 times [2021-12-06 23:33:17,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:17,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383677908] [2021-12-06 23:33:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:17,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:17,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:17,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383677908] [2021-12-06 23:33:17,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383677908] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:17,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:17,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:17,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041323804] [2021-12-06 23:33:17,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:17,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:17,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:17,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:17,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:17,045 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 210 [2021-12-06 23:33:17,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 183 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:17,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:17,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 210 [2021-12-06 23:33:17,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:19,962 INFO L129 PetriNetUnfolder]: 9634/34890 cut-off events. [2021-12-06 23:33:19,962 INFO L130 PetriNetUnfolder]: For 7356/8144 co-relation queries the response was YES. [2021-12-06 23:33:20,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57010 conditions, 34890 events. 9634/34890 cut-off events. For 7356/8144 co-relation queries the response was YES. Maximal size of possible extension queue 1334. Compared 476241 event pairs, 3650 based on Foata normal form. 19/28357 useless extension candidates. Maximal degree in co-relation 57005. Up to 7907 conditions per place. [2021-12-06 23:33:20,253 INFO L132 encePairwiseOnDemand]: 196/210 looper letters, 49 selfloop transitions, 15 changer transitions 0/212 dead transitions. [2021-12-06 23:33:20,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 212 transitions, 656 flow [2021-12-06 23:33:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2021-12-06 23:33:20,255 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8698412698412699 [2021-12-06 23:33:20,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2021-12-06 23:33:20,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2021-12-06 23:33:20,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:20,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2021-12-06 23:33:20,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:20,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:20,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:20,259 INFO L186 Difference]: Start difference. First operand has 187 places, 183 transitions, 422 flow. Second operand 3 states and 548 transitions. [2021-12-06 23:33:20,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 212 transitions, 656 flow [2021-12-06 23:33:20,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 212 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:20,303 INFO L242 Difference]: Finished difference. Result has 189 places, 198 transitions, 556 flow [2021-12-06 23:33:20,303 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=189, PETRI_TRANSITIONS=198} [2021-12-06 23:33:20,304 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -14 predicate places. [2021-12-06 23:33:20,304 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 198 transitions, 556 flow [2021-12-06 23:33:20,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:20,305 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:20,305 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:20,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:33:20,305 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash -36563742, now seen corresponding path program 1 times [2021-12-06 23:33:20,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:20,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238417028] [2021-12-06 23:33:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:20,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:20,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:20,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238417028] [2021-12-06 23:33:20,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238417028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:20,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:20,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:20,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113006478] [2021-12-06 23:33:20,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:20,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:20,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:20,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:20,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:20,341 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 210 [2021-12-06 23:33:20,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 198 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:20,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:20,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 210 [2021-12-06 23:33:20,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:22,468 INFO L129 PetriNetUnfolder]: 5215/21538 cut-off events. [2021-12-06 23:33:22,468 INFO L130 PetriNetUnfolder]: For 5079/7796 co-relation queries the response was YES. [2021-12-06 23:33:22,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36873 conditions, 21538 events. 5215/21538 cut-off events. For 5079/7796 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 289523 event pairs, 2031 based on Foata normal form. 26/17715 useless extension candidates. Maximal degree in co-relation 36867. Up to 3991 conditions per place. [2021-12-06 23:33:22,758 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 23 selfloop transitions, 7 changer transitions 0/209 dead transitions. [2021-12-06 23:33:22,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 209 transitions, 642 flow [2021-12-06 23:33:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2021-12-06 23:33:22,761 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8777777777777778 [2021-12-06 23:33:22,761 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2021-12-06 23:33:22,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2021-12-06 23:33:22,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:22,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2021-12-06 23:33:22,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:22,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:22,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:22,765 INFO L186 Difference]: Start difference. First operand has 189 places, 198 transitions, 556 flow. Second operand 3 states and 553 transitions. [2021-12-06 23:33:22,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 209 transitions, 642 flow [2021-12-06 23:33:22,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 209 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:22,779 INFO L242 Difference]: Finished difference. Result has 191 places, 204 transitions, 580 flow [2021-12-06 23:33:22,779 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=191, PETRI_TRANSITIONS=204} [2021-12-06 23:33:22,780 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -12 predicate places. [2021-12-06 23:33:22,780 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 204 transitions, 580 flow [2021-12-06 23:33:22,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:22,781 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:22,781 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:22,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:33:22,781 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash 160958644, now seen corresponding path program 1 times [2021-12-06 23:33:22,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:22,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448276088] [2021-12-06 23:33:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:22,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:22,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:22,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448276088] [2021-12-06 23:33:22,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448276088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:22,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:22,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:33:22,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876939193] [2021-12-06 23:33:22,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:22,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:33:22,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:22,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:33:22,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:33:22,886 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 210 [2021-12-06 23:33:22,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 204 transitions, 580 flow. Second operand has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:22,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:22,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 210 [2021-12-06 23:33:22,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:28,315 INFO L129 PetriNetUnfolder]: 14390/61555 cut-off events. [2021-12-06 23:33:28,316 INFO L130 PetriNetUnfolder]: For 10315/13443 co-relation queries the response was YES. [2021-12-06 23:33:28,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101272 conditions, 61555 events. 14390/61555 cut-off events. For 10315/13443 co-relation queries the response was YES. Maximal size of possible extension queue 2267. Compared 959161 event pairs, 3586 based on Foata normal form. 131/50257 useless extension candidates. Maximal degree in co-relation 101265. Up to 8673 conditions per place. [2021-12-06 23:33:29,016 INFO L132 encePairwiseOnDemand]: 200/210 looper letters, 37 selfloop transitions, 17 changer transitions 0/236 dead transitions. [2021-12-06 23:33:29,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 236 transitions, 789 flow [2021-12-06 23:33:29,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:33:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 23:33:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 921 transitions. [2021-12-06 23:33:29,019 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8771428571428571 [2021-12-06 23:33:29,019 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 921 transitions. [2021-12-06 23:33:29,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 921 transitions. [2021-12-06 23:33:29,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:29,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 921 transitions. [2021-12-06 23:33:29,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 184.2) internal successors, (921), 5 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:29,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:29,025 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:29,025 INFO L186 Difference]: Start difference. First operand has 191 places, 204 transitions, 580 flow. Second operand 5 states and 921 transitions. [2021-12-06 23:33:29,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 236 transitions, 789 flow [2021-12-06 23:33:29,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 236 transitions, 771 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:29,084 INFO L242 Difference]: Finished difference. Result has 196 places, 218 transitions, 689 flow [2021-12-06 23:33:29,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=689, PETRI_PLACES=196, PETRI_TRANSITIONS=218} [2021-12-06 23:33:29,085 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -7 predicate places. [2021-12-06 23:33:29,085 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 218 transitions, 689 flow [2021-12-06 23:33:29,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:29,086 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:29,086 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:29,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:33:29,087 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:29,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1699067936, now seen corresponding path program 2 times [2021-12-06 23:33:29,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:29,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773398233] [2021-12-06 23:33:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:29,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:29,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:29,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773398233] [2021-12-06 23:33:29,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773398233] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:29,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:29,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:33:29,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512535934] [2021-12-06 23:33:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:29,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:29,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:29,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:29,124 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 210 [2021-12-06 23:33:29,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 218 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:29,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:29,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 210 [2021-12-06 23:33:29,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:31,002 INFO L129 PetriNetUnfolder]: 2623/18024 cut-off events. [2021-12-06 23:33:31,002 INFO L130 PetriNetUnfolder]: For 4119/5006 co-relation queries the response was YES. [2021-12-06 23:33:31,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28809 conditions, 18024 events. 2623/18024 cut-off events. For 4119/5006 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 253438 event pairs, 808 based on Foata normal form. 141/14741 useless extension candidates. Maximal degree in co-relation 28800. Up to 2622 conditions per place. [2021-12-06 23:33:31,222 INFO L132 encePairwiseOnDemand]: 204/210 looper letters, 19 selfloop transitions, 7 changer transitions 0/213 dead transitions. [2021-12-06 23:33:31,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 213 transitions, 699 flow [2021-12-06 23:33:31,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2021-12-06 23:33:31,224 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-12-06 23:33:31,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2021-12-06 23:33:31,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2021-12-06 23:33:31,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:31,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2021-12-06 23:33:31,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:31,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:31,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:31,228 INFO L186 Difference]: Start difference. First operand has 196 places, 218 transitions, 689 flow. Second operand 3 states and 560 transitions. [2021-12-06 23:33:31,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 213 transitions, 699 flow [2021-12-06 23:33:31,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 213 transitions, 685 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-12-06 23:33:31,238 INFO L242 Difference]: Finished difference. Result has 197 places, 208 transitions, 631 flow [2021-12-06 23:33:31,238 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=197, PETRI_TRANSITIONS=208} [2021-12-06 23:33:31,239 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -6 predicate places. [2021-12-06 23:33:31,239 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 208 transitions, 631 flow [2021-12-06 23:33:31,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:31,239 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:31,239 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:31,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:33:31,240 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:31,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:31,240 INFO L85 PathProgramCache]: Analyzing trace with hash 330204001, now seen corresponding path program 1 times [2021-12-06 23:33:31,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:31,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954060222] [2021-12-06 23:33:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:31,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:31,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:31,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954060222] [2021-12-06 23:33:31,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954060222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:31,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:31,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:31,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787038107] [2021-12-06 23:33:31,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:31,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:31,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:31,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:31,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:31,268 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-12-06 23:33:31,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 208 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:31,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:31,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-12-06 23:33:31,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:35,456 INFO L129 PetriNetUnfolder]: 9775/42245 cut-off events. [2021-12-06 23:33:35,456 INFO L130 PetriNetUnfolder]: For 21705/22888 co-relation queries the response was YES. [2021-12-06 23:33:35,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76665 conditions, 42245 events. 9775/42245 cut-off events. For 21705/22888 co-relation queries the response was YES. Maximal size of possible extension queue 1870. Compared 641627 event pairs, 4730 based on Foata normal form. 53/33935 useless extension candidates. Maximal degree in co-relation 76656. Up to 10296 conditions per place. [2021-12-06 23:33:36,074 INFO L132 encePairwiseOnDemand]: 204/210 looper letters, 43 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2021-12-06 23:33:36,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 224 transitions, 789 flow [2021-12-06 23:33:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-12-06 23:33:36,077 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8634920634920635 [2021-12-06 23:33:36,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-12-06 23:33:36,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-12-06 23:33:36,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:36,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-12-06 23:33:36,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:36,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:36,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:36,081 INFO L186 Difference]: Start difference. First operand has 197 places, 208 transitions, 631 flow. Second operand 3 states and 544 transitions. [2021-12-06 23:33:36,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 224 transitions, 789 flow [2021-12-06 23:33:36,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 224 transitions, 769 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:36,094 INFO L242 Difference]: Finished difference. Result has 199 places, 212 transitions, 655 flow [2021-12-06 23:33:36,094 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=199, PETRI_TRANSITIONS=212} [2021-12-06 23:33:36,095 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -4 predicate places. [2021-12-06 23:33:36,095 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 212 transitions, 655 flow [2021-12-06 23:33:36,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:36,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:36,096 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:36,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:33:36,096 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:36,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1673146552, now seen corresponding path program 1 times [2021-12-06 23:33:36,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:36,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500041525] [2021-12-06 23:33:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:36,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:36,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:36,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500041525] [2021-12-06 23:33:36,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500041525] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:36,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:36,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:36,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479893338] [2021-12-06 23:33:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:36,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:36,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:36,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:36,126 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 210 [2021-12-06 23:33:36,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 212 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:36,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:36,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 210 [2021-12-06 23:33:36,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:40,919 INFO L129 PetriNetUnfolder]: 10595/51022 cut-off events. [2021-12-06 23:33:40,919 INFO L130 PetriNetUnfolder]: For 19101/27159 co-relation queries the response was YES. [2021-12-06 23:33:41,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93060 conditions, 51022 events. 10595/51022 cut-off events. For 19101/27159 co-relation queries the response was YES. Maximal size of possible extension queue 2104. Compared 807504 event pairs, 4179 based on Foata normal form. 124/41862 useless extension candidates. Maximal degree in co-relation 93050. Up to 12336 conditions per place. [2021-12-06 23:33:41,510 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 70 selfloop transitions, 12 changer transitions 0/237 dead transitions. [2021-12-06 23:33:41,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 237 transitions, 929 flow [2021-12-06 23:33:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2021-12-06 23:33:41,512 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8492063492063492 [2021-12-06 23:33:41,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2021-12-06 23:33:41,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2021-12-06 23:33:41,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:41,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2021-12-06 23:33:41,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:41,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:41,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:41,516 INFO L186 Difference]: Start difference. First operand has 199 places, 212 transitions, 655 flow. Second operand 3 states and 535 transitions. [2021-12-06 23:33:41,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 237 transitions, 929 flow [2021-12-06 23:33:41,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 237 transitions, 919 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:41,574 INFO L242 Difference]: Finished difference. Result has 201 places, 222 transitions, 767 flow [2021-12-06 23:33:41,574 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=201, PETRI_TRANSITIONS=222} [2021-12-06 23:33:41,574 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, -2 predicate places. [2021-12-06 23:33:41,574 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 222 transitions, 767 flow [2021-12-06 23:33:41,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:41,575 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:41,575 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:41,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:33:41,575 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr5ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:41,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:41,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1632741772, now seen corresponding path program 1 times [2021-12-06 23:33:41,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:41,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909034034] [2021-12-06 23:33:41,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:41,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:33:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:33:41,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:33:41,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909034034] [2021-12-06 23:33:41,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909034034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:33:41,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:33:41,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:33:41,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419704850] [2021-12-06 23:33:41,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:33:41,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:33:41,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:33:41,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:33:41,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:33:41,598 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 210 [2021-12-06 23:33:41,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 222 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:41,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:33:41,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 210 [2021-12-06 23:33:41,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:33:44,698 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, 134#L700-1true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), 48#L699-3true, Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:44,699 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,699 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,699 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,699 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,757 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][217], [37#L699-3true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 43#L700-1true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:44,757 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,757 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,757 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:44,757 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-06 23:33:45,043 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [42#L700-3true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), 48#L699-3true, Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,043 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,043 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,043 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,043 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,090 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [154#L700true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 224#true, 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 134#L700-1true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,090 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,090 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,090 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,091 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,116 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 43#L700-1true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), 125#L718-4true, Black: 233#true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, 22#L700true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,116 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,117 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,117 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,117 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-12-06 23:33:45,151 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][217], [37#L699-3true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), 125#L718-4true, Black: 233#true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 28#L700-3true, 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,152 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,152 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,152 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,152 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-12-06 23:33:45,216 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), 125#L718-4true, Black: 233#true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 179#L700-4true, 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), 48#L699-3true, Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,217 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,217 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,217 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,217 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,251 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 224#true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, 171#writerErr4ASSERT_VIOLATIONDATA_RACEtrue, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, 48#L699-3true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,251 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,251 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,251 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,251 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,380 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), 125#L718-4true, Black: 233#true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, 13#L701true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), 48#L699-3true, Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,380 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,380 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,380 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,380 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,424 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [42#L700-3true, 154#L700true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 224#true, 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,424 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,424 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,424 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,424 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 224#true, 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 28#L700-3true, 96#L708-4true, 22#L700true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,501 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,501 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,501 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,501 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-06 23:33:45,577 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [154#L700true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 179#L700-4true, 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 264#true, 272#(= |#race~y~0| 0), readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,577 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,577 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,577 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,577 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [154#L700true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 224#true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), 80#L708-3true, Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 125#L718-4true, 171#writerErr4ASSERT_VIOLATIONDATA_RACEtrue, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,599 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,599 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,599 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,599 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-06 23:33:45,727 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [154#L700true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), 125#L718-4true, Black: 233#true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, 13#L701true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:45,727 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-06 23:33:45,727 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-06 23:33:45,727 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-06 23:33:45,727 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-06 23:33:46,745 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][216], [224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 182#L719-7true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), 48#L699-3true, Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:46,745 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-06 23:33:46,745 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-06 23:33:46,745 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-06 23:33:46,745 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-06 23:33:46,848 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([471] L708-2-->L708-3: Formula: (= |v_#race~x~0_4| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_4|} AuxVars[] AssignedVars[#race~x~0][152], [154#L700true, 224#true, Black: 260#(= |readerThread1of1ForFork0_#t~nondet8#1| |#race~y~0|), 80#L708-3true, Black: 229#(= |writerThread1of1ForFork2_#t~nondet6#1| |#race~x~0|), Black: 266#(= |writerThread1of1ForFork1_#t~nondet6#1| |#race~x~0|), Black: 233#true, 182#L719-7true, Black: 241#(= |writerThread1of1ForFork2_#t~nondet7#1| |#race~w~0|), 96#L708-4true, Black: 248#(and (= ~r~0 0) (= ~w~0 0)), Black: 249#(and (<= 1 ~r~0) (= ~w~0 0)), 272#(= |#race~y~0| 0), 264#true, readerThread1of1ForFork3InUse]) [2021-12-06 23:33:46,848 INFO L384 tUnfolder$Statistics]: this new event has 101 ancestors and is cut-off event [2021-12-06 23:33:46,848 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-06 23:33:46,848 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-06 23:33:46,848 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-06 23:33:47,258 INFO L129 PetriNetUnfolder]: 12350/60141 cut-off events. [2021-12-06 23:33:47,258 INFO L130 PetriNetUnfolder]: For 36630/39761 co-relation queries the response was YES. [2021-12-06 23:33:47,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116087 conditions, 60141 events. 12350/60141 cut-off events. For 36630/39761 co-relation queries the response was YES. Maximal size of possible extension queue 2826. Compared 987052 event pairs, 3588 based on Foata normal form. 312/50242 useless extension candidates. Maximal degree in co-relation 116076. Up to 7734 conditions per place. [2021-12-06 23:33:48,055 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 49 selfloop transitions, 7 changer transitions 0/245 dead transitions. [2021-12-06 23:33:48,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 245 transitions, 973 flow [2021-12-06 23:33:48,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:33:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:33:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2021-12-06 23:33:48,058 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8793650793650793 [2021-12-06 23:33:48,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2021-12-06 23:33:48,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2021-12-06 23:33:48,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:33:48,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2021-12-06 23:33:48,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:48,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:48,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:48,061 INFO L186 Difference]: Start difference. First operand has 201 places, 222 transitions, 767 flow. Second operand 3 states and 554 transitions. [2021-12-06 23:33:48,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 245 transitions, 973 flow [2021-12-06 23:33:48,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 245 transitions, 933 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-12-06 23:33:48,180 INFO L242 Difference]: Finished difference. Result has 203 places, 228 transitions, 789 flow [2021-12-06 23:33:48,181 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=203, PETRI_TRANSITIONS=228} [2021-12-06 23:33:48,181 INFO L334 CegarLoopForPetriNet]: 203 programPoint places, 0 predicate places. [2021-12-06 23:33:48,181 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 228 transitions, 789 flow [2021-12-06 23:33:48,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:33:48,182 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:33:48,182 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:48,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:33:48,182 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-12-06 23:33:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:33:48,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1801537285, now seen corresponding path program 1 times [2021-12-06 23:33:48,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:33:48,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257974985] [2021-12-06 23:33:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:33:48,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:33:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:33:48,196 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:33:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:33:48,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:33:48,226 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:33:48,227 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2021-12-06 23:33:48,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2021-12-06 23:33:48,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2021-12-06 23:33:48,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (35 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (34 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (33 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (32 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2021-12-06 23:33:48,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2021-12-06 23:33:48,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2021-12-06 23:33:48,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2021-12-06 23:33:48,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2021-12-06 23:33:48,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:33:48,236 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:33:48,241 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 23:33:48,241 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:33:48,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:33:48 BasicIcfg [2021-12-06 23:33:48,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:33:48,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:33:48,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:33:48,277 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:33:48,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:33:13" (3/4) ... [2021-12-06 23:33:48,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:33:48,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:33:48,280 INFO L158 Benchmark]: Toolchain (without parser) took 35508.14ms. Allocated memory was 121.6MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 80.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-12-06 23:33:48,280 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 103.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:33:48,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.47ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 88.1MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:33:48,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.09ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:33:48,281 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 84.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:33:48,281 INFO L158 Benchmark]: RCFGBuilder took 447.62ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 63.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-06 23:33:48,282 INFO L158 Benchmark]: TraceAbstraction took 34625.92ms. Allocated memory was 121.6MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 62.4MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-12-06 23:33:48,282 INFO L158 Benchmark]: Witness Printer took 2.37ms. Allocated memory is still 4.9GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:33:48,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 103.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.47ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 88.1MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.09ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 84.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.62ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 63.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34625.92ms. Allocated memory was 121.6MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 62.4MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Witness Printer took 2.37ms. Allocated memory is still 4.9GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 700]: Data race detected Data race detected The following path leads to a data race: [L688] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L714] 0 pthread_t t1, t2, t3, t4; VAL [r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L715] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [pthread_create(&t1, 0, writer, 0)=-1, r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L716] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [pthread_create(&t2, 0, reader, 0)=0, r=0, t1={5:0}, t2={6:0}, t3={7:0}, t4={3:0}, w=0, x=0, y=0] [L698] CALL 1 __VERIFIER_atomic_take_write_lock() [L690] EXPR 1 w==0 [L690] EXPR 1 w==0 && r==0 [L690] EXPR 1 r==0 [L690] EXPR 1 w==0 && r==0 [L690] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L690] RET 1 assume_abort_if_not(w==0 && r==0) [L691] 1 w = 1 [L698] RET 1 __VERIFIER_atomic_take_write_lock() [L699] 1 x = 3 VAL [arg={0:0}, arg={0:0}, r=0, w=1, x=3, y=0] [L700] 1 w = 0 VAL [arg={0:0}, arg={0:0}, r=0, w=0, w = 0=50, x=3, y=0] [L704] 2 int l; VAL [arg={0:0}, arg={0:0}, r=0, w=0, x=3, y=0] [L705] CALL 2 __VERIFIER_atomic_take_read_lock() [L694] EXPR 2 w==0 [L694] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(w==0) [L695] EXPR 2 r+1 [L695] 2 r = r+1 [L705] RET 2 __VERIFIER_atomic_take_read_lock() [L700] 1 w = 0 VAL [arg={0:0}, arg={0:0}, r=1, w=0, w = 0=50, x=3, y=0] Now there is a data race on ~w~0 between C: w==0 [694] and C: w = 0 [700] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 271 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 33.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 404 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 107 mSDtfsCounter, 404 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:33:48,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68fed12a-a02d-4702-b30b-8c867d59c1ac/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE