/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:45:58,255 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:45:58,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-19 14:45:58,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:45:58,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:45:58,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:45:58,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:45:58,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:45:58,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:45:58,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:45:58,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:45:58,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:45:58,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:45:58,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:45:58,373 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:45:58,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:45:58,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:45:58,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:45:58,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:45:58,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:45:58,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2b.i [2021-10-19 14:45:58,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30502c67/84da82702be146139451e2f20757d6ab/FLAGd6214fc2a [2021-10-19 14:45:59,061 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:45:59,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2b.i [2021-10-19 14:45:59,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30502c67/84da82702be146139451e2f20757d6ab/FLAGd6214fc2a [2021-10-19 14:45:59,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30502c67/84da82702be146139451e2f20757d6ab [2021-10-19 14:45:59,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:45:59,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:45:59,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:45:59,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:45:59,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:45:59,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e889bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59, skipping insertion in model container [2021-10-19 14:45:59,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:45:59,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:45:59,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-10-19 14:45:59,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:45:59,476 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:45:59,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-10-19 14:45:59,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:45:59,546 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:45:59,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59 WrapperNode [2021-10-19 14:45:59,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:45:59,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:45:59,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:45:59,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:45:59,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:45:59,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:45:59,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:45:59,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:45:59,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:45:59,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:45:59,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:45:59,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:45:59,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (1/1) ... [2021-10-19 14:45:59,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:45:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:45:59,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:45:59,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:45:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:45:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:45:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-10-19 14:45:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-10-19 14:45:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:45:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:45:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:45:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:45:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:45:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-10-19 14:45:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-10-19 14:45:59,667 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:46:00,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:46:00,177 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:46:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:46:00 BoogieIcfgContainer [2021-10-19 14:46:00,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:46:00,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:46:00,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:46:00,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:46:00,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:45:59" (1/3) ... [2021-10-19 14:46:00,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b52266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:46:00, skipping insertion in model container [2021-10-19 14:46:00,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:59" (2/3) ... [2021-10-19 14:46:00,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b52266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:46:00, skipping insertion in model container [2021-10-19 14:46:00,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:46:00" (3/3) ... [2021-10-19 14:46:00,186 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2b.i [2021-10-19 14:46:00,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:46:00,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-19 14:46:00,189 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,225 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,226 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,227 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,228 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,229 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,229 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,229 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,229 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,229 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,230 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,230 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,230 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,231 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,232 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,233 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,233 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,233 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,233 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,233 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,234 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,235 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,235 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,236 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,237 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,238 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,239 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,240 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,241 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,241 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,241 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,245 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,245 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,245 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,246 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,247 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,248 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,249 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,249 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,249 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,249 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,250 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,251 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,252 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,253 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,253 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,253 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,253 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,253 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,254 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,254 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,254 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,254 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,255 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,256 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,257 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,258 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,259 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,260 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,261 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,261 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,261 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,268 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,268 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,268 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,270 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,273 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,273 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,273 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,273 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,274 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,275 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,275 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,276 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,278 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,279 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,280 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:46:00,289 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-19 14:46:00,318 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:46:00,322 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=false, mConcurrency=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 [2021-10-19 14:46:00,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-10-19 14:46:00,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 206 transitions, 444 flow [2021-10-19 14:46:00,371 INFO L129 PetriNetUnfolder]: 2/202 cut-off events. [2021-10-19 14:46:00,371 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:46:00,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 202 events. 2/202 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 404 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2021-10-19 14:46:00,375 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 206 transitions, 444 flow [2021-10-19 14:46:00,379 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 189 transitions, 399 flow [2021-10-19 14:46:00,383 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-10-19 14:46:00,383 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:46:00,383 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:00,383 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] [2021-10-19 14:46:00,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:00,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:00,387 INFO L82 PathProgramCache]: Analyzing trace with hash -980609756, now seen corresponding path program 1 times [2021-10-19 14:46:00,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:00,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216880771] [2021-10-19 14:46:00,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:00,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:00,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:00,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216880771] [2021-10-19 14:46:00,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216880771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:00,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:00,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-19 14:46:00,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608659344] [2021-10-19 14:46:00,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-19 14:46:00,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:00,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-19 14:46:00,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-19 14:46:00,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 206 [2021-10-19 14:46:00,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 189 transitions, 399 flow. Second operand has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 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) [2021-10-19 14:46:00,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:00,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 206 [2021-10-19 14:46:00,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:00,598 INFO L129 PetriNetUnfolder]: 0/173 cut-off events. [2021-10-19 14:46:00,598 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-19 14:46:00,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 173 events. 0/173 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 332 event pairs, 0 based on Foata normal form. 6/157 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-19 14:46:00,601 INFO L132 encePairwiseOnDemand]: 192/206 looper letters, 0 selfloop transitions, 0 changer transitions 0/173 dead transitions. [2021-10-19 14:46:00,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 173 transitions, 367 flow [2021-10-19 14:46:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-19 14:46:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-19 14:46:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 394 transitions. [2021-10-19 14:46:00,613 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9563106796116505 [2021-10-19 14:46:00,613 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 394 transitions. [2021-10-19 14:46:00,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 394 transitions. [2021-10-19 14:46:00,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:00,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 394 transitions. [2021-10-19 14:46:00,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 197.0) internal successors, (394), 2 states have internal predecessors, (394), 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) [2021-10-19 14:46:00,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2021-10-19 14:46:00,625 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2021-10-19 14:46:00,626 INFO L186 Difference]: Start difference. First operand has 200 places, 189 transitions, 399 flow. Second operand 2 states and 394 transitions. [2021-10-19 14:46:00,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 173 transitions, 367 flow [2021-10-19 14:46:00,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 173 transitions, 354 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-10-19 14:46:00,632 INFO L242 Difference]: Finished difference. Result has 180 places, 173 transitions, 354 flow [2021-10-19 14:46:00,633 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=354, PETRI_PLACES=180, PETRI_TRANSITIONS=173} [2021-10-19 14:46:00,633 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -20 predicate places. [2021-10-19 14:46:00,634 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 173 transitions, 354 flow [2021-10-19 14:46:00,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 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) [2021-10-19 14:46:00,634 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:00,634 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] [2021-10-19 14:46:00,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:46:00,635 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:00,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1644151976, now seen corresponding path program 1 times [2021-10-19 14:46:00,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:00,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922426640] [2021-10-19 14:46:00,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:00,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:00,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:00,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922426640] [2021-10-19 14:46:00,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922426640] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:00,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:00,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:00,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273861857] [2021-10-19 14:46:00,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:00,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:00,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:00,710 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 206 [2021-10-19 14:46:00,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 173 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-10-19 14:46:00,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:00,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 206 [2021-10-19 14:46:00,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:01,732 INFO L129 PetriNetUnfolder]: 3660/10837 cut-off events. [2021-10-19 14:46:01,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:46:01,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16070 conditions, 10837 events. 3660/10837 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 113819 event pairs, 2277 based on Foata normal form. 0/8072 useless extension candidates. Maximal degree in co-relation 16067. Up to 3995 conditions per place. [2021-10-19 14:46:01,856 INFO L132 encePairwiseOnDemand]: 197/206 looper letters, 30 selfloop transitions, 8 changer transitions 0/190 dead transitions. [2021-10-19 14:46:01,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 190 transitions, 464 flow [2021-10-19 14:46:01,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2021-10-19 14:46:01,858 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.883495145631068 [2021-10-19 14:46:01,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 546 transitions. [2021-10-19 14:46:01,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 546 transitions. [2021-10-19 14:46:01,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:01,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 546 transitions. [2021-10-19 14:46:01,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2021-10-19 14:46:01,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:01,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:01,863 INFO L186 Difference]: Start difference. First operand has 180 places, 173 transitions, 354 flow. Second operand 3 states and 546 transitions. [2021-10-19 14:46:01,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 190 transitions, 464 flow [2021-10-19 14:46:01,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 190 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:46:01,869 INFO L242 Difference]: Finished difference. Result has 184 places, 180 transitions, 416 flow [2021-10-19 14:46:01,870 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=184, PETRI_TRANSITIONS=180} [2021-10-19 14:46:01,870 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -16 predicate places. [2021-10-19 14:46:01,870 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 180 transitions, 416 flow [2021-10-19 14:46:01,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-10-19 14:46:01,871 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:01,871 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] [2021-10-19 14:46:01,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:46:01,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:01,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1196479624, now seen corresponding path program 1 times [2021-10-19 14:46:01,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:01,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602009152] [2021-10-19 14:46:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:01,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:01,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:01,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602009152] [2021-10-19 14:46:01,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602009152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:01,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:01,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:01,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585753982] [2021-10-19 14:46:01,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:01,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:01,911 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 206 [2021-10-19 14:46:01,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 180 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2021-10-19 14:46:01,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:01,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 206 [2021-10-19 14:46:01,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:02,414 INFO L129 PetriNetUnfolder]: 803/5040 cut-off events. [2021-10-19 14:46:02,414 INFO L130 PetriNetUnfolder]: For 114/139 co-relation queries the response was YES. [2021-10-19 14:46:02,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6665 conditions, 5040 events. 803/5040 cut-off events. For 114/139 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 56612 event pairs, 494 based on Foata normal form. 0/3940 useless extension candidates. Maximal degree in co-relation 6660. Up to 653 conditions per place. [2021-10-19 14:46:02,477 INFO L132 encePairwiseOnDemand]: 198/206 looper letters, 14 selfloop transitions, 7 changer transitions 0/188 dead transitions. [2021-10-19 14:46:02,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 188 transitions, 474 flow [2021-10-19 14:46:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2021-10-19 14:46:02,479 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8948220064724919 [2021-10-19 14:46:02,479 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2021-10-19 14:46:02,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2021-10-19 14:46:02,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:02,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2021-10-19 14:46:02,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:46:02,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:02,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:02,482 INFO L186 Difference]: Start difference. First operand has 184 places, 180 transitions, 416 flow. Second operand 3 states and 553 transitions. [2021-10-19 14:46:02,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 188 transitions, 474 flow [2021-10-19 14:46:02,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 188 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:02,492 INFO L242 Difference]: Finished difference. Result has 186 places, 186 transitions, 454 flow [2021-10-19 14:46:02,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=186, PETRI_TRANSITIONS=186} [2021-10-19 14:46:02,493 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -14 predicate places. [2021-10-19 14:46:02,493 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 186 transitions, 454 flow [2021-10-19 14:46:02,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2021-10-19 14:46:02,493 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:02,493 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] [2021-10-19 14:46:02,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:46:02,494 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:02,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:02,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1509608620, now seen corresponding path program 1 times [2021-10-19 14:46:02,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:02,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113462533] [2021-10-19 14:46:02,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:02,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:02,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:02,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113462533] [2021-10-19 14:46:02,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113462533] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:02,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:02,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:02,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298923756] [2021-10-19 14:46:02,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:02,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:02,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:02,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:02,540 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 206 [2021-10-19 14:46:02,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-10-19 14:46:02,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:02,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 206 [2021-10-19 14:46:02,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:05,130 INFO L129 PetriNetUnfolder]: 6835/28950 cut-off events. [2021-10-19 14:46:05,130 INFO L130 PetriNetUnfolder]: For 3646/5293 co-relation queries the response was YES. [2021-10-19 14:46:05,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45880 conditions, 28950 events. 6835/28950 cut-off events. For 3646/5293 co-relation queries the response was YES. Maximal size of possible extension queue 1106. Compared 402318 event pairs, 1969 based on Foata normal form. 11/22932 useless extension candidates. Maximal degree in co-relation 45874. Up to 5621 conditions per place. [2021-10-19 14:46:05,485 INFO L132 encePairwiseOnDemand]: 192/206 looper letters, 29 selfloop transitions, 15 changer transitions 0/206 dead transitions. [2021-10-19 14:46:05,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 610 flow [2021-10-19 14:46:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2021-10-19 14:46:05,487 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8932038834951457 [2021-10-19 14:46:05,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2021-10-19 14:46:05,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2021-10-19 14:46:05,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:05,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2021-10-19 14:46:05,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-10-19 14:46:05,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:05,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:05,490 INFO L186 Difference]: Start difference. First operand has 186 places, 186 transitions, 454 flow. Second operand 3 states and 552 transitions. [2021-10-19 14:46:05,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 610 flow [2021-10-19 14:46:05,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:05,512 INFO L242 Difference]: Finished difference. Result has 188 places, 201 transitions, 590 flow [2021-10-19 14:46:05,512 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=188, PETRI_TRANSITIONS=201} [2021-10-19 14:46:05,512 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -12 predicate places. [2021-10-19 14:46:05,512 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 201 transitions, 590 flow [2021-10-19 14:46:05,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-10-19 14:46:05,513 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:05,513 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] [2021-10-19 14:46:05,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:46:05,513 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:05,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:05,514 INFO L82 PathProgramCache]: Analyzing trace with hash 597957139, now seen corresponding path program 1 times [2021-10-19 14:46:05,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:05,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909382156] [2021-10-19 14:46:05,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:05,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:05,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:05,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909382156] [2021-10-19 14:46:05,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909382156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:05,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:05,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:46:05,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129147858] [2021-10-19 14:46:05,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:05,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:05,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:05,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:05,591 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 206 [2021-10-19 14:46:05,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 201 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-10-19 14:46:05,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:05,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 206 [2021-10-19 14:46:05,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:06,854 INFO L129 PetriNetUnfolder]: 2348/13789 cut-off events. [2021-10-19 14:46:06,855 INFO L130 PetriNetUnfolder]: For 3509/4938 co-relation queries the response was YES. [2021-10-19 14:46:06,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22166 conditions, 13789 events. 2348/13789 cut-off events. For 3509/4938 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 185185 event pairs, 653 based on Foata normal form. 129/11399 useless extension candidates. Maximal degree in co-relation 22159. Up to 1992 conditions per place. [2021-10-19 14:46:06,990 INFO L132 encePairwiseOnDemand]: 200/206 looper letters, 5 selfloop transitions, 5 changer transitions 0/199 dead transitions. [2021-10-19 14:46:06,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 199 transitions, 596 flow [2021-10-19 14:46:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2021-10-19 14:46:06,992 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9061488673139159 [2021-10-19 14:46:06,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2021-10-19 14:46:06,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2021-10-19 14:46:06,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:06,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2021-10-19 14:46:06,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:46:06,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:06,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:06,995 INFO L186 Difference]: Start difference. First operand has 188 places, 201 transitions, 590 flow. Second operand 3 states and 560 transitions. [2021-10-19 14:46:06,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 199 transitions, 596 flow [2021-10-19 14:46:07,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 199 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:07,003 INFO L242 Difference]: Finished difference. Result has 189 places, 199 transitions, 571 flow [2021-10-19 14:46:07,004 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=189, PETRI_TRANSITIONS=199} [2021-10-19 14:46:07,004 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -11 predicate places. [2021-10-19 14:46:07,004 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 199 transitions, 571 flow [2021-10-19 14:46:07,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-10-19 14:46:07,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:07,005 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] [2021-10-19 14:46:07,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:46:07,005 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:07,005 INFO L82 PathProgramCache]: Analyzing trace with hash 389175015, now seen corresponding path program 2 times [2021-10-19 14:46:07,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:07,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710280681] [2021-10-19 14:46:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:07,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:07,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:07,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710280681] [2021-10-19 14:46:07,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710280681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:07,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:07,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-19 14:46:07,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892830327] [2021-10-19 14:46:07,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-19 14:46:07,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:07,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-19 14:46:07,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-19 14:46:07,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 206 [2021-10-19 14:46:07,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 199 transitions, 571 flow. Second operand has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 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) [2021-10-19 14:46:07,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:07,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 206 [2021-10-19 14:46:07,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:08,014 INFO L129 PetriNetUnfolder]: 1215/9204 cut-off events. [2021-10-19 14:46:08,015 INFO L130 PetriNetUnfolder]: For 3312/3602 co-relation queries the response was YES. [2021-10-19 14:46:08,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14304 conditions, 9204 events. 1215/9204 cut-off events. For 3312/3602 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 116109 event pairs, 393 based on Foata normal form. 158/7854 useless extension candidates. Maximal degree in co-relation 14296. Up to 997 conditions per place. [2021-10-19 14:46:08,082 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 19 selfloop transitions, 12 changer transitions 0/216 dead transitions. [2021-10-19 14:46:08,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 216 transitions, 704 flow [2021-10-19 14:46:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-19 14:46:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-19 14:46:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 749 transitions. [2021-10-19 14:46:08,084 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9089805825242718 [2021-10-19 14:46:08,084 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 749 transitions. [2021-10-19 14:46:08,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 749 transitions. [2021-10-19 14:46:08,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:08,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 749 transitions. [2021-10-19 14:46:08,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 187.25) internal successors, (749), 4 states have internal predecessors, (749), 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) [2021-10-19 14:46:08,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2021-10-19 14:46:08,093 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2021-10-19 14:46:08,093 INFO L186 Difference]: Start difference. First operand has 189 places, 199 transitions, 571 flow. Second operand 4 states and 749 transitions. [2021-10-19 14:46:08,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 216 transitions, 704 flow [2021-10-19 14:46:08,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 216 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:08,098 INFO L242 Difference]: Finished difference. Result has 193 places, 208 transitions, 666 flow [2021-10-19 14:46:08,098 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=666, PETRI_PLACES=193, PETRI_TRANSITIONS=208} [2021-10-19 14:46:08,098 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -7 predicate places. [2021-10-19 14:46:08,098 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 208 transitions, 666 flow [2021-10-19 14:46:08,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 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) [2021-10-19 14:46:08,100 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:08,100 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] [2021-10-19 14:46:08,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:46:08,100 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:08,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash 803206202, now seen corresponding path program 1 times [2021-10-19 14:46:08,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:08,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910821747] [2021-10-19 14:46:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:08,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:08,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910821747] [2021-10-19 14:46:08,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910821747] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:08,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:08,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:08,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153608377] [2021-10-19 14:46:08,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:08,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:08,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:08,125 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 206 [2021-10-19 14:46:08,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 208 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2021-10-19 14:46:08,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:08,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 206 [2021-10-19 14:46:08,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:09,127 INFO L129 PetriNetUnfolder]: 1985/12539 cut-off events. [2021-10-19 14:46:09,127 INFO L130 PetriNetUnfolder]: For 3318/3655 co-relation queries the response was YES. [2021-10-19 14:46:09,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20956 conditions, 12539 events. 1985/12539 cut-off events. For 3318/3655 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 164529 event pairs, 899 based on Foata normal form. 3/10310 useless extension candidates. Maximal degree in co-relation 20946. Up to 2320 conditions per place. [2021-10-19 14:46:09,316 INFO L132 encePairwiseOnDemand]: 200/206 looper letters, 18 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2021-10-19 14:46:09,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 216 transitions, 728 flow [2021-10-19 14:46:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2021-10-19 14:46:09,318 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8883495145631068 [2021-10-19 14:46:09,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2021-10-19 14:46:09,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2021-10-19 14:46:09,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:09,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2021-10-19 14:46:09,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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) [2021-10-19 14:46:09,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:09,320 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:09,321 INFO L186 Difference]: Start difference. First operand has 193 places, 208 transitions, 666 flow. Second operand 3 states and 549 transitions. [2021-10-19 14:46:09,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 216 transitions, 728 flow [2021-10-19 14:46:09,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 216 transitions, 728 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:46:09,325 INFO L242 Difference]: Finished difference. Result has 197 places, 212 transitions, 704 flow [2021-10-19 14:46:09,325 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=197, PETRI_TRANSITIONS=212} [2021-10-19 14:46:09,325 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -3 predicate places. [2021-10-19 14:46:09,325 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 212 transitions, 704 flow [2021-10-19 14:46:09,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2021-10-19 14:46:09,325 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:09,325 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] [2021-10-19 14:46:09,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:46:09,326 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:09,326 INFO L82 PathProgramCache]: Analyzing trace with hash 980293450, now seen corresponding path program 1 times [2021-10-19 14:46:09,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:09,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620523152] [2021-10-19 14:46:09,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:09,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:09,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:09,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620523152] [2021-10-19 14:46:09,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620523152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:09,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:09,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:09,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769003787] [2021-10-19 14:46:09,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:09,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:09,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:09,355 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 206 [2021-10-19 14:46:09,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 212 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-10-19 14:46:09,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:09,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 206 [2021-10-19 14:46:09,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:10,425 INFO L129 PetriNetUnfolder]: 1579/10829 cut-off events. [2021-10-19 14:46:10,425 INFO L130 PetriNetUnfolder]: For 4392/4945 co-relation queries the response was YES. [2021-10-19 14:46:10,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19581 conditions, 10829 events. 1579/10829 cut-off events. For 4392/4945 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 138677 event pairs, 539 based on Foata normal form. 5/9040 useless extension candidates. Maximal degree in co-relation 19569. Up to 1972 conditions per place. [2021-10-19 14:46:10,538 INFO L132 encePairwiseOnDemand]: 198/206 looper letters, 48 selfloop transitions, 10 changer transitions 0/232 dead transitions. [2021-10-19 14:46:10,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 232 transitions, 908 flow [2021-10-19 14:46:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-10-19 14:46:10,540 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8786407766990292 [2021-10-19 14:46:10,540 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-10-19 14:46:10,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-10-19 14:46:10,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:10,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-10-19 14:46:10,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 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) [2021-10-19 14:46:10,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:10,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:10,543 INFO L186 Difference]: Start difference. First operand has 197 places, 212 transitions, 704 flow. Second operand 3 states and 543 transitions. [2021-10-19 14:46:10,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 232 transitions, 908 flow [2021-10-19 14:46:10,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 232 transitions, 898 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:10,553 INFO L242 Difference]: Finished difference. Result has 199 places, 220 transitions, 792 flow [2021-10-19 14:46:10,553 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=792, PETRI_PLACES=199, PETRI_TRANSITIONS=220} [2021-10-19 14:46:10,553 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, -1 predicate places. [2021-10-19 14:46:10,553 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 220 transitions, 792 flow [2021-10-19 14:46:10,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2021-10-19 14:46:10,554 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:10,554 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:46:10,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:46:10,554 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr5ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:10,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:10,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1053643377, now seen corresponding path program 1 times [2021-10-19 14:46:10,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:10,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696641687] [2021-10-19 14:46:10,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:10,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:46:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:46:10,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:46:10,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696641687] [2021-10-19 14:46:10,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696641687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:46:10,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:46:10,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:46:10,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336091974] [2021-10-19 14:46:10,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:46:10,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:46:10,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:46:10,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:46:10,572 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 206 [2021-10-19 14:46:10,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 220 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2021-10-19 14:46:10,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:46:10,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 206 [2021-10-19 14:46:10,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:46:11,890 INFO L129 PetriNetUnfolder]: 1964/14881 cut-off events. [2021-10-19 14:46:11,890 INFO L130 PetriNetUnfolder]: For 7556/8204 co-relation queries the response was YES. [2021-10-19 14:46:12,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26925 conditions, 14881 events. 1964/14881 cut-off events. For 7556/8204 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 207342 event pairs, 614 based on Foata normal form. 11/12688 useless extension candidates. Maximal degree in co-relation 26912. Up to 1480 conditions per place. [2021-10-19 14:46:12,080 INFO L132 encePairwiseOnDemand]: 198/206 looper letters, 19 selfloop transitions, 7 changer transitions 0/231 dead transitions. [2021-10-19 14:46:12,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 231 transitions, 878 flow [2021-10-19 14:46:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:46:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:46:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2021-10-19 14:46:12,082 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9029126213592233 [2021-10-19 14:46:12,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 558 transitions. [2021-10-19 14:46:12,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 558 transitions. [2021-10-19 14:46:12,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:46:12,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 558 transitions. [2021-10-19 14:46:12,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 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) [2021-10-19 14:46:12,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:12,085 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2021-10-19 14:46:12,085 INFO L186 Difference]: Start difference. First operand has 199 places, 220 transitions, 792 flow. Second operand 3 states and 558 transitions. [2021-10-19 14:46:12,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 231 transitions, 878 flow [2021-10-19 14:46:12,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 231 transitions, 846 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-10-19 14:46:12,111 INFO L242 Difference]: Finished difference. Result has 201 places, 226 transitions, 822 flow [2021-10-19 14:46:12,112 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=201, PETRI_TRANSITIONS=226} [2021-10-19 14:46:12,112 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 1 predicate places. [2021-10-19 14:46:12,112 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 226 transitions, 822 flow [2021-10-19 14:46:12,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2021-10-19 14:46:12,112 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:46:12,112 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] [2021-10-19 14:46:12,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:46:12,112 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-10-19 14:46:12,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:46:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1631857121, now seen corresponding path program 1 times [2021-10-19 14:46:12,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:46:12,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458944254] [2021-10-19 14:46:12,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:46:12,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:46:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:46:12,121 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:46:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:46:12,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:46:12,147 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:46:12,147 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,148 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-19 14:46:12,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:46:12,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:46:12,158 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:46:12,158 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:46:12,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:46:12 BasicIcfg [2021-10-19 14:46:12,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:46:12,188 INFO L168 Benchmark]: Toolchain (without parser) took 13087.73 ms. Allocated memory was 178.3 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 126.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,188 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 178.3 MB. Free memory was 143.8 MB in the beginning and 143.7 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:46:12,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.56 ms. Allocated memory was 178.3 MB in the beginning and 268.4 MB in the end (delta: 90.2 MB). Free memory was 126.0 MB in the beginning and 235.5 MB in the end (delta: -109.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 268.4 MB. Free memory was 235.5 MB in the beginning and 232.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,189 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 268.4 MB. Free memory was 232.9 MB in the beginning and 231.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,189 INFO L168 Benchmark]: RCFGBuilder took 577.37 ms. Allocated memory is still 268.4 MB. Free memory was 231.3 MB in the beginning and 206.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,195 INFO L168 Benchmark]: TraceAbstraction took 12005.25 ms. Allocated memory was 268.4 MB in the beginning and 4.5 GB in the end (delta: 4.2 GB). Free memory was 206.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-10-19 14:46:12,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 178.3 MB. Free memory was 143.8 MB in the beginning and 143.7 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 445.56 ms. Allocated memory was 178.3 MB in the beginning and 268.4 MB in the end (delta: 90.2 MB). Free memory was 126.0 MB in the beginning and 235.5 MB in the end (delta: -109.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 268.4 MB. Free memory was 235.5 MB in the beginning and 232.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 268.4 MB. Free memory was 232.9 MB in the beginning and 231.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 577.37 ms. Allocated memory is still 268.4 MB. Free memory was 231.3 MB in the beginning and 206.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12005.25 ms. Allocated memory was 268.4 MB in the beginning and 4.5 GB in the end (delta: 4.2 GB). Free memory was 206.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 700]: the program contains a data race the program contains a data race We found a FailurePath: [L688] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L714] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L715] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L698] CALL 1 __VERIFIER_atomic_take_write_lock() [L690] EXPR 1 w==0 [L690] EXPR 1 w==0 && r==0 [L690] EXPR 1 r==0 [L690] EXPR 1 w==0 && r==0 [L690] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L690] RET 1 assume_abort_if_not(w==0 && r==0) [L691] 1 w = 1 [L698] RET 1 __VERIFIER_atomic_take_write_lock() [L699] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L700] 1 w = 0 VAL [r=0, w=0, x=3, y=0] [L716] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=3, y=0] [L704] 2 int l; VAL [r=0, w=0, x=3, y=0] [L705] CALL 2 __VERIFIER_atomic_take_read_lock() [L694] EXPR 2 w==0 [L694] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(w==0) [L695] EXPR 2 r+1 [L695] 2 r = r+1 [L705] RET 2 __VERIFIER_atomic_take_read_lock() [L700] 1 w = 0 VAL [r=1, w=0, x=3, y=0] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 267 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11841.0ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 11209.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 57.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 121 SDtfs, 48 SDslu, 0 SDs, 0 SdLazy, 173 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 121.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=822occurred in iteration=9, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.0ms SsaConstructionTime, 107.5ms SatisfiabilityAnalysisTime, 252.0ms InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-19 14:46:12,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...