./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX --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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:35:43,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:35:43,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:35:43,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:35:43,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:35:43,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:35:43,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:35:43,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:35:43,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:35:43,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:35:43,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:35:43,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:35:43,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:35:43,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:35:43,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:35:43,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:35:43,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:35:43,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:35:43,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:35:43,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:35:43,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:35:43,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:35:43,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:35:43,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:35:43,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:35:43,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:35:43,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:35:43,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:35:43,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:35:43,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:35:43,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:35:43,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:35:43,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:35:43,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:35:43,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:35:43,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:35:43,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:35:43,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:35:43,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:35:43,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:35:43,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:35:43,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-09 09:35:43,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:35:43,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:35:43,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:35:43,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:35:43,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:35:43,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:35:43,447 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:35:43,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:35:43,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:35:43,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:35:43,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:35:43,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:35:43,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:35:43,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:35:43,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:35:43,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:35:43,451 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-09 09:35:43,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:35:43,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:35:43,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:35:43,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:35:43,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:35:43,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:35:43,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:35:43,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:35:43,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:35:43,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:35:43,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:35:43,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:35:43,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:35:43,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:35:43,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:35:43,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:35:43,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:35:43,457 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_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2021-11-09 09:35:43,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:35:43,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:35:43,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:35:43,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:35:43,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:35:43,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2021-11-09 09:35:43,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/data/2550f2160/d145c74fc40c4bb8830e7c048dc4a804/FLAGdf46898ab [2021-11-09 09:35:44,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:35:44,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2021-11-09 09:35:44,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/data/2550f2160/d145c74fc40c4bb8830e7c048dc4a804/FLAGdf46898ab [2021-11-09 09:35:44,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/data/2550f2160/d145c74fc40c4bb8830e7c048dc4a804 [2021-11-09 09:35:44,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:35:44,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:35:44,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:35:44,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:35:44,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:35:44,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:44" (1/1) ... [2021-11-09 09:35:44,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2211aa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:44, skipping insertion in model container [2021-11-09 09:35:44,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:44" (1/1) ... [2021-11-09 09:35:44,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:35:44,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:35:45,036 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-09 09:35:45,207 WARN L228 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_6090c60a-fe5a-4c79-8cc4-994cef38e157/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-11-09 09:35:45,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:35:45,241 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:35:45,271 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-09 09:35:45,301 WARN L228 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_6090c60a-fe5a-4c79-8cc4-994cef38e157/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-11-09 09:35:45,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:35:45,358 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:35:45,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45 WrapperNode [2021-11-09 09:35:45,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:35:45,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:35:45,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:35:45,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:35:45,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:35:45,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:35:45,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:35:45,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:35:45,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:35:45,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:35:45,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:35:45,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:35:45,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (1/1) ... [2021-11-09 09:35:45,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:35:45,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:35:45,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:35:45,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:35:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:35:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:35:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-09 09:35:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-09 09:35:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-09 09:35:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:35:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:35:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:35:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-09 09:35:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:35:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:35:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-09 09:35:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-09 09:35:45,594 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 09:35:46,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:35:46,374 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-09 09:35:46,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:46 BoogieIcfgContainer [2021-11-09 09:35:46,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:35:46,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:35:46,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:35:46,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:35:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:35:44" (1/3) ... [2021-11-09 09:35:46,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652715dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:46, skipping insertion in model container [2021-11-09 09:35:46,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:45" (2/3) ... [2021-11-09 09:35:46,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652715dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:46, skipping insertion in model container [2021-11-09 09:35:46,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:46" (3/3) ... [2021-11-09 09:35:46,385 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-11-09 09:35:46,390 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 09:35:46,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:35:46,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-09 09:35:46,390 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 09:35:46,435 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,435 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,436 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,437 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,437 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,437 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,438 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,441 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,441 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,442 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,442 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,442 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,442 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,442 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,443 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,443 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,443 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,443 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,443 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,444 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,445 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,445 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,445 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,445 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,445 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,446 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,446 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,446 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,475 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,475 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,476 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,476 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,476 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,476 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,476 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,477 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,477 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,477 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,477 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,477 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,478 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,479 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,480 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,480 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,480 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,480 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,480 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,481 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,481 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,481 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,481 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,481 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,482 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,482 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,482 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,482 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,482 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,483 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,483 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,483 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,483 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,509 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,510 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,511 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,511 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,511 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,511 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,513 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,513 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,513 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,514 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,514 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,514 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,514 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,515 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,515 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,515 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,515 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,515 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,516 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,516 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,516 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,516 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,516 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,517 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,518 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,518 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,518 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,518 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,518 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,519 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,519 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,519 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,520 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,520 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,520 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,520 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,521 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,521 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,521 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,522 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,522 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,522 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,522 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,522 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,523 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,523 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,523 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,523 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,523 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,524 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,524 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,524 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,524 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,524 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,525 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,525 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,525 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,526 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,526 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,526 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,526 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,526 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,527 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,527 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,527 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,527 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,527 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,528 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,528 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,528 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,528 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,528 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,529 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,530 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,530 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,530 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,530 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,531 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,531 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,531 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,531 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,532 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,532 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,533 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,533 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,533 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,533 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,533 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,534 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,535 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,536 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,539 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,540 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,540 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,541 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,541 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,541 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,541 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,541 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,545 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,546 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,546 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,552 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,554 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,554 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,560 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,561 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,562 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,562 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,562 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,562 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:46,588 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-09 09:35:46,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:35:46,669 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 [2021-11-09 09:35:46,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-09 09:35:46,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 177 places, 166 transitions, 364 flow [2021-11-09 09:35:46,761 INFO L129 PetriNetUnfolder]: 2/162 cut-off events. [2021-11-09 09:35:46,762 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-09 09:35:46,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 162 events. 2/162 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 250 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2021-11-09 09:35:46,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 166 transitions, 364 flow [2021-11-09 09:35:46,776 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 149 transitions, 319 flow [2021-11-09 09:35:46,783 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-11-09 09:35:46,783 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:35:46,783 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:46,784 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] [2021-11-09 09:35:46,785 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1993019222, now seen corresponding path program 1 times [2021-11-09 09:35:46,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:46,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399296178] [2021-11-09 09:35:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:46,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:47,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:47,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399296178] [2021-11-09 09:35:47,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399296178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:47,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:47,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-09 09:35:47,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545748644] [2021-11-09 09:35:47,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 09:35:47,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:47,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:35:47,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:35:47,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 166 [2021-11-09 09:35:47,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 149 transitions, 319 flow. Second operand has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:47,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 166 [2021-11-09 09:35:47,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:47,124 INFO L129 PetriNetUnfolder]: 0/121 cut-off events. [2021-11-09 09:35:47,124 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-09 09:35:47,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 0/121 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 18/131 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-09 09:35:47,126 INFO L132 encePairwiseOnDemand]: 138/166 looper letters, 0 selfloop transitions, 0 changer transitions 1/121 dead transitions. [2021-11-09 09:35:47,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 121 transitions, 263 flow [2021-11-09 09:35:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:35:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-09 09:35:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 304 transitions. [2021-11-09 09:35:47,139 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9156626506024096 [2021-11-09 09:35:47,140 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 304 transitions. [2021-11-09 09:35:47,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 304 transitions. [2021-11-09 09:35:47,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:47,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 304 transitions. [2021-11-09 09:35:47,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 152.0) internal successors, (304), 2 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,155 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,157 INFO L186 Difference]: Start difference. First operand has 160 places, 149 transitions, 319 flow. Second operand 2 states and 304 transitions. [2021-11-09 09:35:47,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 121 transitions, 263 flow [2021-11-09 09:35:47,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 121 transitions, 250 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-09 09:35:47,165 INFO L242 Difference]: Finished difference. Result has 128 places, 120 transitions, 248 flow [2021-11-09 09:35:47,167 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=248, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2021-11-09 09:35:47,168 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -32 predicate places. [2021-11-09 09:35:47,168 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 248 flow [2021-11-09 09:35:47,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,169 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:47,169 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] [2021-11-09 09:35:47,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:35:47,169 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:47,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:47,170 INFO L85 PathProgramCache]: Analyzing trace with hash 262056751, now seen corresponding path program 1 times [2021-11-09 09:35:47,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:47,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233737176] [2021-11-09 09:35:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:47,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:47,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:47,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233737176] [2021-11-09 09:35:47,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233737176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:47,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:47,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:35:47,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344333607] [2021-11-09 09:35:47,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:47,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:47,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:47,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:47,274 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 166 [2021-11-09 09:35:47,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:47,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 166 [2021-11-09 09:35:47,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:47,611 INFO L129 PetriNetUnfolder]: 556/1394 cut-off events. [2021-11-09 09:35:47,612 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:35:47,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1394 events. 556/1394 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9244 event pairs, 316 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 2240. Up to 699 conditions per place. [2021-11-09 09:35:47,642 INFO L132 encePairwiseOnDemand]: 157/166 looper letters, 14 selfloop transitions, 8 changer transitions 0/129 dead transitions. [2021-11-09 09:35:47,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 310 flow [2021-11-09 09:35:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 09:35:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2021-11-09 09:35:47,651 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7991967871485943 [2021-11-09 09:35:47,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2021-11-09 09:35:47,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2021-11-09 09:35:47,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:47,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2021-11-09 09:35:47,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,660 INFO L186 Difference]: Start difference. First operand has 128 places, 120 transitions, 248 flow. Second operand 3 states and 398 transitions. [2021-11-09 09:35:47,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 310 flow [2021-11-09 09:35:47,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 310 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 09:35:47,668 INFO L242 Difference]: Finished difference. Result has 131 places, 127 transitions, 310 flow [2021-11-09 09:35:47,669 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=131, PETRI_TRANSITIONS=127} [2021-11-09 09:35:47,669 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -29 predicate places. [2021-11-09 09:35:47,670 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 127 transitions, 310 flow [2021-11-09 09:35:47,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,671 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:47,671 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] [2021-11-09 09:35:47,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:35:47,673 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1735284020, now seen corresponding path program 1 times [2021-11-09 09:35:47,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:47,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941898643] [2021-11-09 09:35:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:47,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:47,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:47,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941898643] [2021-11-09 09:35:47,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941898643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:47,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:47,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:35:47,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423514317] [2021-11-09 09:35:47,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:47,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:47,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:47,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:47,845 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 166 [2021-11-09 09:35:47,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 127 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:47,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:47,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 166 [2021-11-09 09:35:47,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:48,045 INFO L129 PetriNetUnfolder]: 225/1119 cut-off events. [2021-11-09 09:35:48,045 INFO L130 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2021-11-09 09:35:48,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 1119 events. 225/1119 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 8079 event pairs, 113 based on Foata normal form. 20/993 useless extension candidates. Maximal degree in co-relation 1753. Up to 341 conditions per place. [2021-11-09 09:35:48,061 INFO L132 encePairwiseOnDemand]: 160/166 looper letters, 3 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2021-11-09 09:35:48,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 126 transitions, 318 flow [2021-11-09 09:35:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 09:35:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2021-11-09 09:35:48,064 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8112449799196787 [2021-11-09 09:35:48,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2021-11-09 09:35:48,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2021-11-09 09:35:48,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:48,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2021-11-09 09:35:48,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,069 INFO L186 Difference]: Start difference. First operand has 131 places, 127 transitions, 310 flow. Second operand 3 states and 404 transitions. [2021-11-09 09:35:48,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 126 transitions, 318 flow [2021-11-09 09:35:48,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 126 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 09:35:48,085 INFO L242 Difference]: Finished difference. Result has 132 places, 126 transitions, 306 flow [2021-11-09 09:35:48,086 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=132, PETRI_TRANSITIONS=126} [2021-11-09 09:35:48,086 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2021-11-09 09:35:48,086 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 126 transitions, 306 flow [2021-11-09 09:35:48,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,087 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:48,087 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] [2021-11-09 09:35:48,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:35:48,088 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1037263928, now seen corresponding path program 2 times [2021-11-09 09:35:48,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:48,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349769212] [2021-11-09 09:35:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:48,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:48,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:48,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349769212] [2021-11-09 09:35:48,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349769212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:48,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:48,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:48,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005658565] [2021-11-09 09:35:48,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:35:48,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:48,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:35:48,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:35:48,264 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:48,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 126 transitions, 306 flow. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:48,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:48,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:48,516 INFO L129 PetriNetUnfolder]: 250/1176 cut-off events. [2021-11-09 09:35:48,516 INFO L130 PetriNetUnfolder]: For 132/174 co-relation queries the response was YES. [2021-11-09 09:35:48,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1904 conditions, 1176 events. 250/1176 cut-off events. For 132/174 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8606 event pairs, 90 based on Foata normal form. 9/1028 useless extension candidates. Maximal degree in co-relation 1898. Up to 299 conditions per place. [2021-11-09 09:35:48,533 INFO L132 encePairwiseOnDemand]: 156/166 looper letters, 8 selfloop transitions, 12 changer transitions 0/136 dead transitions. [2021-11-09 09:35:48,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 380 flow [2021-11-09 09:35:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:35:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-09 09:35:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 662 transitions. [2021-11-09 09:35:48,537 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7975903614457831 [2021-11-09 09:35:48,537 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 662 transitions. [2021-11-09 09:35:48,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 662 transitions. [2021-11-09 09:35:48,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:48,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 662 transitions. [2021-11-09 09:35:48,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,546 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,546 INFO L186 Difference]: Start difference. First operand has 132 places, 126 transitions, 306 flow. Second operand 5 states and 662 transitions. [2021-11-09 09:35:48,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 136 transitions, 380 flow [2021-11-09 09:35:48,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 09:35:48,554 INFO L242 Difference]: Finished difference. Result has 136 places, 132 transitions, 357 flow [2021-11-09 09:35:48,554 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=136, PETRI_TRANSITIONS=132} [2021-11-09 09:35:48,555 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -24 predicate places. [2021-11-09 09:35:48,556 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 132 transitions, 357 flow [2021-11-09 09:35:48,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,557 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:48,558 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] [2021-11-09 09:35:48,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:35:48,558 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:48,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1146277796, now seen corresponding path program 1 times [2021-11-09 09:35:48,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:48,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413364732] [2021-11-09 09:35:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:48,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:48,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:48,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413364732] [2021-11-09 09:35:48,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413364732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:48,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:48,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:35:48,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154358467] [2021-11-09 09:35:48,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:35:48,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:35:48,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:35:48,623 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 166 [2021-11-09 09:35:48,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 132 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:48,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 166 [2021-11-09 09:35:48,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:48,957 INFO L129 PetriNetUnfolder]: 324/1657 cut-off events. [2021-11-09 09:35:48,957 INFO L130 PetriNetUnfolder]: For 248/366 co-relation queries the response was YES. [2021-11-09 09:35:48,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2982 conditions, 1657 events. 324/1657 cut-off events. For 248/366 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 13225 event pairs, 127 based on Foata normal form. 0/1451 useless extension candidates. Maximal degree in co-relation 2974. Up to 501 conditions per place. [2021-11-09 09:35:48,984 INFO L132 encePairwiseOnDemand]: 158/166 looper letters, 17 selfloop transitions, 7 changer transitions 0/138 dead transitions. [2021-11-09 09:35:48,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 138 transitions, 425 flow [2021-11-09 09:35:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:35:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 09:35:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-11-09 09:35:48,987 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7931726907630522 [2021-11-09 09:35:48,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-11-09 09:35:48,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-11-09 09:35:48,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:48,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-11-09 09:35:48,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:48,993 INFO L186 Difference]: Start difference. First operand has 136 places, 132 transitions, 357 flow. Second operand 3 states and 395 transitions. [2021-11-09 09:35:48,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 138 transitions, 425 flow [2021-11-09 09:35:48,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 138 transitions, 414 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-11-09 09:35:48,999 INFO L242 Difference]: Finished difference. Result has 139 places, 138 transitions, 408 flow [2021-11-09 09:35:49,000 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=139, PETRI_TRANSITIONS=138} [2021-11-09 09:35:49,000 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -21 predicate places. [2021-11-09 09:35:49,000 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 138 transitions, 408 flow [2021-11-09 09:35:49,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,001 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:49,001 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, 1, 1, 1] [2021-11-09 09:35:49,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:35:49,002 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:49,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash -565956869, now seen corresponding path program 1 times [2021-11-09 09:35:49,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:49,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455420266] [2021-11-09 09:35:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:49,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:49,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:49,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455420266] [2021-11-09 09:35:49,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455420266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:49,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:49,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:49,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225789126] [2021-11-09 09:35:49,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:49,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:49,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:49,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:49,186 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 166 [2021-11-09 09:35:49,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 138 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:49,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 166 [2021-11-09 09:35:49,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:49,533 INFO L129 PetriNetUnfolder]: 297/1580 cut-off events. [2021-11-09 09:35:49,533 INFO L130 PetriNetUnfolder]: For 334/433 co-relation queries the response was YES. [2021-11-09 09:35:49,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2949 conditions, 1580 events. 297/1580 cut-off events. For 334/433 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 12462 event pairs, 94 based on Foata normal form. 0/1391 useless extension candidates. Maximal degree in co-relation 2940. Up to 377 conditions per place. [2021-11-09 09:35:49,556 INFO L132 encePairwiseOnDemand]: 161/166 looper letters, 22 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2021-11-09 09:35:49,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 458 flow [2021-11-09 09:35:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 675 transitions. [2021-11-09 09:35:49,564 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.677710843373494 [2021-11-09 09:35:49,564 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 675 transitions. [2021-11-09 09:35:49,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 675 transitions. [2021-11-09 09:35:49,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:49,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 675 transitions. [2021-11-09 09:35:49,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.5) internal successors, (675), 6 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,573 INFO L186 Difference]: Start difference. First operand has 139 places, 138 transitions, 408 flow. Second operand 6 states and 675 transitions. [2021-11-09 09:35:49,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 137 transitions, 458 flow [2021-11-09 09:35:49,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 137 transitions, 436 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-11-09 09:35:49,581 INFO L242 Difference]: Finished difference. Result has 141 places, 137 transitions, 392 flow [2021-11-09 09:35:49,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2021-11-09 09:35:49,581 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -19 predicate places. [2021-11-09 09:35:49,582 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 392 flow [2021-11-09 09:35:49,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,582 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:49,583 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:49,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:35:49,583 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:49,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1696775766, now seen corresponding path program 1 times [2021-11-09 09:35:49,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:49,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613755372] [2021-11-09 09:35:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:49,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:49,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:49,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613755372] [2021-11-09 09:35:49,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613755372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:49,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:49,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:49,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238670318] [2021-11-09 09:35:49,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:35:49,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:49,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:35:49,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:35:49,726 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:49,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:49,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:49,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:49,940 INFO L129 PetriNetUnfolder]: 160/1032 cut-off events. [2021-11-09 09:35:49,940 INFO L130 PetriNetUnfolder]: For 314/437 co-relation queries the response was YES. [2021-11-09 09:35:49,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 1032 events. 160/1032 cut-off events. For 314/437 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7461 event pairs, 32 based on Foata normal form. 23/932 useless extension candidates. Maximal degree in co-relation 1865. Up to 189 conditions per place. [2021-11-09 09:35:49,956 INFO L132 encePairwiseOnDemand]: 157/166 looper letters, 11 selfloop transitions, 19 changer transitions 0/151 dead transitions. [2021-11-09 09:35:49,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 151 transitions, 516 flow [2021-11-09 09:35:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:35:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-09 09:35:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 670 transitions. [2021-11-09 09:35:49,959 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8072289156626506 [2021-11-09 09:35:49,959 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 670 transitions. [2021-11-09 09:35:49,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 670 transitions. [2021-11-09 09:35:49,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:49,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 670 transitions. [2021-11-09 09:35:49,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,965 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,965 INFO L186 Difference]: Start difference. First operand has 141 places, 137 transitions, 392 flow. Second operand 5 states and 670 transitions. [2021-11-09 09:35:49,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 151 transitions, 516 flow [2021-11-09 09:35:49,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 151 transitions, 509 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-09 09:35:49,971 INFO L242 Difference]: Finished difference. Result has 143 places, 149 transitions, 506 flow [2021-11-09 09:35:49,972 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=506, PETRI_PLACES=143, PETRI_TRANSITIONS=149} [2021-11-09 09:35:49,972 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -17 predicate places. [2021-11-09 09:35:49,972 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 149 transitions, 506 flow [2021-11-09 09:35:49,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:49,973 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:49,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:49,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 09:35:49,974 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:49,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:49,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1473708815, now seen corresponding path program 1 times [2021-11-09 09:35:49,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:49,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493172805] [2021-11-09 09:35:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:49,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:50,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:50,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493172805] [2021-11-09 09:35:50,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493172805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:50,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:50,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 09:35:50,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958894573] [2021-11-09 09:35:50,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:50,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:50,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:50,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:50,120 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:50,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 149 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:50,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:50,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:50,345 INFO L129 PetriNetUnfolder]: 161/1168 cut-off events. [2021-11-09 09:35:50,346 INFO L130 PetriNetUnfolder]: For 714/897 co-relation queries the response was YES. [2021-11-09 09:35:50,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2338 conditions, 1168 events. 161/1168 cut-off events. For 714/897 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8774 event pairs, 39 based on Foata normal form. 45/1092 useless extension candidates. Maximal degree in co-relation 2327. Up to 189 conditions per place. [2021-11-09 09:35:50,367 INFO L132 encePairwiseOnDemand]: 156/166 looper letters, 14 selfloop transitions, 24 changer transitions 0/159 dead transitions. [2021-11-09 09:35:50,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 159 transitions, 652 flow [2021-11-09 09:35:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 796 transitions. [2021-11-09 09:35:50,370 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7991967871485943 [2021-11-09 09:35:50,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 796 transitions. [2021-11-09 09:35:50,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 796 transitions. [2021-11-09 09:35:50,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:50,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 796 transitions. [2021-11-09 09:35:50,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.66666666666666) internal successors, (796), 6 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,378 INFO L186 Difference]: Start difference. First operand has 143 places, 149 transitions, 506 flow. Second operand 6 states and 796 transitions. [2021-11-09 09:35:50,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 159 transitions, 652 flow [2021-11-09 09:35:50,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 159 transitions, 624 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-11-09 09:35:50,386 INFO L242 Difference]: Finished difference. Result has 149 places, 157 transitions, 598 flow [2021-11-09 09:35:50,387 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=598, PETRI_PLACES=149, PETRI_TRANSITIONS=157} [2021-11-09 09:35:50,387 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -11 predicate places. [2021-11-09 09:35:50,387 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 157 transitions, 598 flow [2021-11-09 09:35:50,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,388 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:50,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:50,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:35:50,389 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:50,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2116559375, now seen corresponding path program 2 times [2021-11-09 09:35:50,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:50,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603221453] [2021-11-09 09:35:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:50,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:50,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:50,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603221453] [2021-11-09 09:35:50,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603221453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:50,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:50,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 09:35:50,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717549150] [2021-11-09 09:35:50,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:50,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:50,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:50,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:50,481 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:50,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 157 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:50,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:50,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:50,657 INFO L129 PetriNetUnfolder]: 103/873 cut-off events. [2021-11-09 09:35:50,657 INFO L130 PetriNetUnfolder]: For 808/968 co-relation queries the response was YES. [2021-11-09 09:35:50,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 873 events. 103/873 cut-off events. For 808/968 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6003 event pairs, 31 based on Foata normal form. 48/833 useless extension candidates. Maximal degree in co-relation 1782. Up to 141 conditions per place. [2021-11-09 09:35:50,669 INFO L132 encePairwiseOnDemand]: 156/166 looper letters, 16 selfloop transitions, 24 changer transitions 0/161 dead transitions. [2021-11-09 09:35:50,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 161 transitions, 718 flow [2021-11-09 09:35:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 792 transitions. [2021-11-09 09:35:50,672 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7951807228915663 [2021-11-09 09:35:50,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 792 transitions. [2021-11-09 09:35:50,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 792 transitions. [2021-11-09 09:35:50,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:50,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 792 transitions. [2021-11-09 09:35:50,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,679 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,679 INFO L186 Difference]: Start difference. First operand has 149 places, 157 transitions, 598 flow. Second operand 6 states and 792 transitions. [2021-11-09 09:35:50,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 161 transitions, 718 flow [2021-11-09 09:35:50,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 161 transitions, 668 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-11-09 09:35:50,687 INFO L242 Difference]: Finished difference. Result has 152 places, 161 transitions, 650 flow [2021-11-09 09:35:50,687 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=650, PETRI_PLACES=152, PETRI_TRANSITIONS=161} [2021-11-09 09:35:50,687 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -8 predicate places. [2021-11-09 09:35:50,688 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 161 transitions, 650 flow [2021-11-09 09:35:50,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:50,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:50,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:35:50,689 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:50,689 INFO L85 PathProgramCache]: Analyzing trace with hash 767366399, now seen corresponding path program 1 times [2021-11-09 09:35:50,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:50,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804788790] [2021-11-09 09:35:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:50,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:50,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:50,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804788790] [2021-11-09 09:35:50,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804788790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:50,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:50,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:50,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005239401] [2021-11-09 09:35:50,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:50,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:50,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:50,807 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 166 [2021-11-09 09:35:50,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 161 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:50,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:50,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 166 [2021-11-09 09:35:50,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:51,027 INFO L129 PetriNetUnfolder]: 95/883 cut-off events. [2021-11-09 09:35:51,028 INFO L130 PetriNetUnfolder]: For 618/697 co-relation queries the response was YES. [2021-11-09 09:35:51,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 883 events. 95/883 cut-off events. For 618/697 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6150 event pairs, 24 based on Foata normal form. 4/806 useless extension candidates. Maximal degree in co-relation 1762. Up to 137 conditions per place. [2021-11-09 09:35:51,039 INFO L132 encePairwiseOnDemand]: 161/166 looper letters, 21 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2021-11-09 09:35:51,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 160 transitions, 698 flow [2021-11-09 09:35:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 674 transitions. [2021-11-09 09:35:51,042 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6767068273092369 [2021-11-09 09:35:51,043 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 674 transitions. [2021-11-09 09:35:51,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 674 transitions. [2021-11-09 09:35:51,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:51,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 674 transitions. [2021-11-09 09:35:51,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,049 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,049 INFO L186 Difference]: Start difference. First operand has 152 places, 161 transitions, 650 flow. Second operand 6 states and 674 transitions. [2021-11-09 09:35:51,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 160 transitions, 698 flow [2021-11-09 09:35:51,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 160 transitions, 668 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-11-09 09:35:51,057 INFO L242 Difference]: Finished difference. Result has 154 places, 160 transitions, 626 flow [2021-11-09 09:35:51,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=626, PETRI_PLACES=154, PETRI_TRANSITIONS=160} [2021-11-09 09:35:51,057 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -6 predicate places. [2021-11-09 09:35:51,057 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 160 transitions, 626 flow [2021-11-09 09:35:51,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,058 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:51,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:51,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 09:35:51,059 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash 139227840, now seen corresponding path program 1 times [2021-11-09 09:35:51,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:51,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808681200] [2021-11-09 09:35:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:51,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:51,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:51,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808681200] [2021-11-09 09:35:51,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808681200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:51,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:51,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 09:35:51,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880840151] [2021-11-09 09:35:51,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:51,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:51,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:51,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:51,152 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:51,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 160 transitions, 626 flow. Second operand has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:51,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:51,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:51,344 INFO L129 PetriNetUnfolder]: 99/929 cut-off events. [2021-11-09 09:35:51,344 INFO L130 PetriNetUnfolder]: For 890/1061 co-relation queries the response was YES. [2021-11-09 09:35:51,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 929 events. 99/929 cut-off events. For 890/1061 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6607 event pairs, 24 based on Foata normal form. 57/895 useless extension candidates. Maximal degree in co-relation 1849. Up to 149 conditions per place. [2021-11-09 09:35:51,355 INFO L132 encePairwiseOnDemand]: 157/166 looper letters, 13 selfloop transitions, 33 changer transitions 0/166 dead transitions. [2021-11-09 09:35:51,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 166 transitions, 766 flow [2021-11-09 09:35:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 800 transitions. [2021-11-09 09:35:51,359 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8032128514056225 [2021-11-09 09:35:51,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 800 transitions. [2021-11-09 09:35:51,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 800 transitions. [2021-11-09 09:35:51,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:51,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 800 transitions. [2021-11-09 09:35:51,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,365 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,365 INFO L186 Difference]: Start difference. First operand has 154 places, 160 transitions, 626 flow. Second operand 6 states and 800 transitions. [2021-11-09 09:35:51,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 166 transitions, 766 flow [2021-11-09 09:35:51,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 166 transitions, 759 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-09 09:35:51,374 INFO L242 Difference]: Finished difference. Result has 156 places, 166 transitions, 761 flow [2021-11-09 09:35:51,374 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=761, PETRI_PLACES=156, PETRI_TRANSITIONS=166} [2021-11-09 09:35:51,374 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -4 predicate places. [2021-11-09 09:35:51,374 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 166 transitions, 761 flow [2021-11-09 09:35:51,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:51,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:51,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 09:35:51,376 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 284843012, now seen corresponding path program 2 times [2021-11-09 09:35:51,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:51,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448703152] [2021-11-09 09:35:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:51,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:51,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:51,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448703152] [2021-11-09 09:35:51,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448703152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:51,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:51,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 09:35:51,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518137262] [2021-11-09 09:35:51,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:51,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:51,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:51,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:51,460 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 166 [2021-11-09 09:35:51,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 166 transitions, 761 flow. Second operand has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:51,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 166 [2021-11-09 09:35:51,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:51,627 INFO L129 PetriNetUnfolder]: 48/729 cut-off events. [2021-11-09 09:35:51,628 INFO L130 PetriNetUnfolder]: For 1168/1392 co-relation queries the response was YES. [2021-11-09 09:35:51,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1581 conditions, 729 events. 48/729 cut-off events. For 1168/1392 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4776 event pairs, 16 based on Foata normal form. 59/727 useless extension candidates. Maximal degree in co-relation 1566. Up to 101 conditions per place. [2021-11-09 09:35:51,635 INFO L132 encePairwiseOnDemand]: 157/166 looper letters, 7 selfloop transitions, 35 changer transitions 0/148 dead transitions. [2021-11-09 09:35:51,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 148 transitions, 767 flow [2021-11-09 09:35:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 794 transitions. [2021-11-09 09:35:51,639 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7971887550200804 [2021-11-09 09:35:51,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 794 transitions. [2021-11-09 09:35:51,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 794 transitions. [2021-11-09 09:35:51,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:51,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 794 transitions. [2021-11-09 09:35:51,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,646 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,646 INFO L186 Difference]: Start difference. First operand has 156 places, 166 transitions, 761 flow. Second operand 6 states and 794 transitions. [2021-11-09 09:35:51,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 148 transitions, 767 flow [2021-11-09 09:35:51,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 148 transitions, 696 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-11-09 09:35:51,655 INFO L242 Difference]: Finished difference. Result has 153 places, 148 transitions, 682 flow [2021-11-09 09:35:51,656 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=682, PETRI_PLACES=153, PETRI_TRANSITIONS=148} [2021-11-09 09:35:51,656 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -7 predicate places. [2021-11-09 09:35:51,656 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 148 transitions, 682 flow [2021-11-09 09:35:51,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,657 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:51,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:51,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 09:35:51,657 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:51,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:51,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2000042202, now seen corresponding path program 1 times [2021-11-09 09:35:51,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:51,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235128220] [2021-11-09 09:35:51,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:51,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:51,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:51,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235128220] [2021-11-09 09:35:51,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235128220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:51,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:51,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:51,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343989025] [2021-11-09 09:35:51,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:51,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:51,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:51,763 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 166 [2021-11-09 09:35:51,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 148 transitions, 682 flow. Second operand has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:51,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 166 [2021-11-09 09:35:51,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:51,933 INFO L129 PetriNetUnfolder]: 48/719 cut-off events. [2021-11-09 09:35:51,934 INFO L130 PetriNetUnfolder]: For 733/802 co-relation queries the response was YES. [2021-11-09 09:35:51,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 719 events. 48/719 cut-off events. For 733/802 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4698 event pairs, 16 based on Foata normal form. 11/679 useless extension candidates. Maximal degree in co-relation 1515. Up to 93 conditions per place. [2021-11-09 09:35:51,942 INFO L132 encePairwiseOnDemand]: 161/166 looper letters, 20 selfloop transitions, 4 changer transitions 0/147 dead transitions. [2021-11-09 09:35:51,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 728 flow [2021-11-09 09:35:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 673 transitions. [2021-11-09 09:35:51,946 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6757028112449799 [2021-11-09 09:35:51,946 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 673 transitions. [2021-11-09 09:35:51,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 673 transitions. [2021-11-09 09:35:51,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:51,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 673 transitions. [2021-11-09 09:35:51,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,952 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,952 INFO L186 Difference]: Start difference. First operand has 153 places, 148 transitions, 682 flow. Second operand 6 states and 673 transitions. [2021-11-09 09:35:51,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 728 flow [2021-11-09 09:35:51,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 147 transitions, 670 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-11-09 09:35:51,961 INFO L242 Difference]: Finished difference. Result has 152 places, 147 transitions, 630 flow [2021-11-09 09:35:51,961 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2021-11-09 09:35:51,961 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -8 predicate places. [2021-11-09 09:35:51,961 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 630 flow [2021-11-09 09:35:51,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:51,962 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:51,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:51,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 09:35:51,963 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-09 09:35:51,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:51,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1838503079, now seen corresponding path program 1 times [2021-11-09 09:35:51,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:51,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157118093] [2021-11-09 09:35:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:51,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:52,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:52,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157118093] [2021-11-09 09:35:52,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157118093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:52,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:52,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:35:52,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781832828] [2021-11-09 09:35:52,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:35:52,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:52,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:35:52,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:35:52,073 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 166 [2021-11-09 09:35:52,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:52,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:52,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 166 [2021-11-09 09:35:52,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:52,242 INFO L129 PetriNetUnfolder]: 48/713 cut-off events. [2021-11-09 09:35:52,242 INFO L130 PetriNetUnfolder]: For 601/663 co-relation queries the response was YES. [2021-11-09 09:35:52,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 713 events. 48/713 cut-off events. For 601/663 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4657 event pairs, 16 based on Foata normal form. 17/679 useless extension candidates. Maximal degree in co-relation 1434. Up to 93 conditions per place. [2021-11-09 09:35:52,248 INFO L132 encePairwiseOnDemand]: 161/166 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2021-11-09 09:35:52,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 674 flow [2021-11-09 09:35:52,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:35:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:35:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2021-11-09 09:35:52,252 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6746987951807228 [2021-11-09 09:35:52,252 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2021-11-09 09:35:52,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2021-11-09 09:35:52,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:52,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2021-11-09 09:35:52,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:52,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:52,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:52,259 INFO L186 Difference]: Start difference. First operand has 152 places, 147 transitions, 630 flow. Second operand 6 states and 672 transitions. [2021-11-09 09:35:52,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 674 flow [2021-11-09 09:35:52,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 667 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-09 09:35:52,265 INFO L242 Difference]: Finished difference. Result has 152 places, 0 transitions, 0 flow [2021-11-09 09:35:52,266 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=152, PETRI_TRANSITIONS=0} [2021-11-09 09:35:52,266 INFO L334 CegarLoopForPetriNet]: 160 programPoint places, -8 predicate places. [2021-11-09 09:35:52,266 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 0 transitions, 0 flow [2021-11-09 09:35:52,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:35:52,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:35:52,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 09:35:52,281 INFO L731 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:35:52,286 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-09 09:35:52,286 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:35:52,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:35:52 BasicIcfg [2021-11-09 09:35:52,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:35:52,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:35:52,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:35:52,289 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:35:52,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:46" (3/4) ... [2021-11-09 09:35:52,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:35:52,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2021-11-09 09:35:52,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2021-11-09 09:35:52,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-09 09:35:52,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 09:35:52,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:35:52,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:35:52,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:35:52,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:35:52,341 INFO L168 Benchmark]: Toolchain (without parser) took 7557.96 ms. Allocated memory was 113.2 MB in the beginning and 234.9 MB in the end (delta: 121.6 MB). Free memory was 72.5 MB in the beginning and 158.6 MB in the end (delta: -86.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,342 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory was 90.1 MB in the beginning and 90.0 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:35:52,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.06 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 77.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.18 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 75.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,343 INFO L168 Benchmark]: Boogie Preprocessor took 57.32 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 73.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,343 INFO L168 Benchmark]: RCFGBuilder took 863.33 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 47.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,344 INFO L168 Benchmark]: TraceAbstraction took 5910.13 ms. Allocated memory was 113.2 MB in the beginning and 234.9 MB in the end (delta: 121.6 MB). Free memory was 47.2 MB in the beginning and 161.8 MB in the end (delta: -114.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,344 INFO L168 Benchmark]: Witness Printer took 50.61 ms. Allocated memory is still 234.9 MB. Free memory was 161.8 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:52,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory was 90.1 MB in the beginning and 90.0 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.06 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 77.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.18 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 75.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.32 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 73.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 863.33 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 47.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5910.13 ms. Allocated memory was 113.2 MB in the beginning and 234.9 MB in the end (delta: 121.6 MB). Free memory was 47.2 MB in the beginning and 161.8 MB in the end (delta: -114.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 50.61 ms. Allocated memory is still 234.9 MB. Free memory was 161.8 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 207 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: 5.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 114 SDtfs, 54 SDslu, 13 SDs, 0 SdLazy, 466 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=761occurred in iteration=11, InterpolantAutomatonStates: 69, 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, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 746 ConstructedInterpolants, 0 QuantifiedInterpolants, 2496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-09 09:35:52,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6090c60a-fe5a-4c79-8cc4-994cef38e157/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE