/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-1b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:04:49,333 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:04:49,428 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 [2021-10-16 23:04:49,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:04:49,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:04:49,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:04:49,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:04:49,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:04:49,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:04:49,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:04:49,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:04:49,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:04:49,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:04:49,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:04:49,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:04:49,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:04:49,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:04:49,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:04:49,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:04:49,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:04:49,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:04:49,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:04:49,633 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:04:49,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2021-10-16 23:04:49,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50bcadc75/b75d593340314f1c9a223b6b11bd8b70/FLAGcbf32dcdc [2021-10-16 23:04:50,055 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:04:50,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2021-10-16 23:04:50,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50bcadc75/b75d593340314f1c9a223b6b11bd8b70/FLAGcbf32dcdc [2021-10-16 23:04:50,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50bcadc75/b75d593340314f1c9a223b6b11bd8b70 [2021-10-16 23:04:50,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:04:50,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:04:50,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:04:50,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:04:50,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:04:50,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9dc61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50, skipping insertion in model container [2021-10-16 23:04:50,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:04:50,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:04:50,721 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-1b.i[30416,30429] [2021-10-16 23:04:50,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:04:50,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:04:50,769 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-1b.i[30416,30429] [2021-10-16 23:04:50,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:04:50,792 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:04:50,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50 WrapperNode [2021-10-16 23:04:50,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:04:50,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:04:50,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:04:50,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:04:50,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:04:50,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:04:50,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:04:50,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:04:50,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:04:50,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:04:50,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:04:50,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:04:50,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (1/1) ... [2021-10-16 23:04:50,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:04:50,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:04:50,871 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) [2021-10-16 23:04:50,876 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 [2021-10-16 23:04:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:04:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:04:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-10-16 23:04:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-10-16 23:04:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:04:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:04:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:04:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:04:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:04:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-10-16 23:04:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-10-16 23:04:50,922 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:04:51,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:04:51,476 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 23:04:51,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:04:51 BoogieIcfgContainer [2021-10-16 23:04:51,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:04:51,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:04:51,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:04:51,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:04:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:04:50" (1/3) ... [2021-10-16 23:04:51,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07a13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:04:51, skipping insertion in model container [2021-10-16 23:04:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:50" (2/3) ... [2021-10-16 23:04:51,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07a13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:04:51, skipping insertion in model container [2021-10-16 23:04:51,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:04:51" (3/3) ... [2021-10-16 23:04:51,484 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2021-10-16 23:04:51,487 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:04:51,487 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-16 23:04:51,488 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:04:51,522 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,522 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,523 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,524 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,525 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,525 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,525 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,525 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,525 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,526 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,527 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,528 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,529 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,530 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,531 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,532 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,532 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,532 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,533 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,533 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,533 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,533 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,534 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,535 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,535 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,535 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,535 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,535 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,536 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,536 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,536 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,537 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,539 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,539 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,539 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,543 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,543 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,543 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,543 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,544 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,545 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,546 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,547 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,548 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,549 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,549 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,549 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,549 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,549 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,550 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,551 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,552 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,553 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,554 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,555 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,556 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,557 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,557 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,557 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,557 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,557 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,558 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,560 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,560 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,560 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,561 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,562 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,562 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,562 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,562 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,562 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,567 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,568 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,568 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,568 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,568 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,568 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,570 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,570 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,570 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,570 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,570 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,571 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,572 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,576 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,577 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,577 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,577 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,577 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,577 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,602 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,602 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,603 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,603 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,605 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,605 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,605 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,606 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,607 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,608 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,609 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,610 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:51,619 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-16 23:04:51,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:04:51,678 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 [2021-10-16 23:04:51,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-10-16 23:04:51,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 186 transitions, 404 flow [2021-10-16 23:04:51,745 INFO L129 PetriNetUnfolder]: 2/182 cut-off events. [2021-10-16 23:04:51,745 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-16 23:04:51,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 182 events. 2/182 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 312 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2021-10-16 23:04:51,750 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 186 transitions, 404 flow [2021-10-16 23:04:51,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 168 transitions, 357 flow [2021-10-16 23:04:51,764 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-10-16 23:04:51,764 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:04:51,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:51,765 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] [2021-10-16 23:04:51,765 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:51,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash -114931529, now seen corresponding path program 1 times [2021-10-16 23:04:51,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:51,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971905335] [2021-10-16 23:04:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:51,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:51,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:51,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971905335] [2021-10-16 23:04:51,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971905335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:51,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:51,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-16 23:04:51,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802428654] [2021-10-16 23:04:51,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 23:04:51,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 23:04:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 23:04:51,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 186 [2021-10-16 23:04:51,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 168 transitions, 357 flow. Second operand has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 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) [2021-10-16 23:04:51,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:51,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 186 [2021-10-16 23:04:51,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:52,007 INFO L129 PetriNetUnfolder]: 0/158 cut-off events. [2021-10-16 23:04:52,008 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-16 23:04:52,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 158 events. 0/158 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 265 event pairs, 0 based on Foata normal form. 8/158 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-16 23:04:52,009 INFO L132 encePairwiseOnDemand]: 178/186 looper letters, 0 selfloop transitions, 0 changer transitions 0/158 dead transitions. [2021-10-16 23:04:52,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 158 transitions, 337 flow [2021-10-16 23:04:52,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:04:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-16 23:04:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 360 transitions. [2021-10-16 23:04:52,019 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.967741935483871 [2021-10-16 23:04:52,019 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 360 transitions. [2021-10-16 23:04:52,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 360 transitions. [2021-10-16 23:04:52,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:52,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 360 transitions. [2021-10-16 23:04:52,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 180.0) internal successors, (360), 2 states have internal predecessors, (360), 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) [2021-10-16 23:04:52,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 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) [2021-10-16 23:04:52,030 INFO L81 ComplementDD]: Finished complementDD. Result has 3 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) [2021-10-16 23:04:52,032 INFO L186 Difference]: Start difference. First operand has 179 places, 168 transitions, 357 flow. Second operand 2 states and 360 transitions. [2021-10-16 23:04:52,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 158 transitions, 337 flow [2021-10-16 23:04:52,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 158 transitions, 324 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-10-16 23:04:52,038 INFO L242 Difference]: Finished difference. Result has 165 places, 158 transitions, 324 flow [2021-10-16 23:04:52,040 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=324, PETRI_PLACES=165, PETRI_TRANSITIONS=158} [2021-10-16 23:04:52,040 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, -14 predicate places. [2021-10-16 23:04:52,040 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 158 transitions, 324 flow [2021-10-16 23:04:52,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 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) [2021-10-16 23:04:52,041 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:52,041 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] [2021-10-16 23:04:52,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:04:52,042 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:52,043 INFO L82 PathProgramCache]: Analyzing trace with hash -138352966, now seen corresponding path program 1 times [2021-10-16 23:04:52,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:52,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542363671] [2021-10-16 23:04:52,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:52,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:52,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:52,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542363671] [2021-10-16 23:04:52,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542363671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:52,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:52,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:04:52,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422986486] [2021-10-16 23:04:52,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:04:52,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:52,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:04:52,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:04:52,107 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 186 [2021-10-16 23:04:52,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 158 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:52,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:52,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 186 [2021-10-16 23:04:52,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:52,435 INFO L129 PetriNetUnfolder]: 556/1973 cut-off events. [2021-10-16 23:04:52,435 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:04:52,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2822 conditions, 1973 events. 556/1973 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15729 event pairs, 329 based on Foata normal form. 0/1642 useless extension candidates. Maximal degree in co-relation 2819. Up to 699 conditions per place. [2021-10-16 23:04:52,459 INFO L132 encePairwiseOnDemand]: 177/186 looper letters, 14 selfloop transitions, 8 changer transitions 0/167 dead transitions. [2021-10-16 23:04:52,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 167 transitions, 386 flow [2021-10-16 23:04:52,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:04:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:04:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2021-10-16 23:04:52,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9175627240143369 [2021-10-16 23:04:52,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2021-10-16 23:04:52,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2021-10-16 23:04:52,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:52,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2021-10-16 23:04:52,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2021-10-16 23:04:52,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:52,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:52,470 INFO L186 Difference]: Start difference. First operand has 165 places, 158 transitions, 324 flow. Second operand 3 states and 512 transitions. [2021-10-16 23:04:52,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 167 transitions, 386 flow [2021-10-16 23:04:52,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 167 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-16 23:04:52,477 INFO L242 Difference]: Finished difference. Result has 169 places, 165 transitions, 386 flow [2021-10-16 23:04:52,478 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=169, PETRI_TRANSITIONS=165} [2021-10-16 23:04:52,478 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, -10 predicate places. [2021-10-16 23:04:52,478 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 165 transitions, 386 flow [2021-10-16 23:04:52,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:52,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:52,479 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] [2021-10-16 23:04:52,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:04:52,479 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:52,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1256493820, now seen corresponding path program 1 times [2021-10-16 23:04:52,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:52,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223706783] [2021-10-16 23:04:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:52,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:52,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:52,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223706783] [2021-10-16 23:04:52,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223706783] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:52,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:52,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:04:52,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88876809] [2021-10-16 23:04:52,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:04:52,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:52,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:04:52,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:04:52,539 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 186 [2021-10-16 23:04:52,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 165 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-10-16 23:04:52,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:52,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 186 [2021-10-16 23:04:52,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:52,971 INFO L129 PetriNetUnfolder]: 805/4225 cut-off events. [2021-10-16 23:04:52,971 INFO L130 PetriNetUnfolder]: For 114/130 co-relation queries the response was YES. [2021-10-16 23:04:52,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5852 conditions, 4225 events. 805/4225 cut-off events. For 114/130 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 44787 event pairs, 496 based on Foata normal form. 0/3680 useless extension candidates. Maximal degree in co-relation 5847. Up to 653 conditions per place. [2021-10-16 23:04:53,010 INFO L132 encePairwiseOnDemand]: 178/186 looper letters, 14 selfloop transitions, 7 changer transitions 0/173 dead transitions. [2021-10-16 23:04:53,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 173 transitions, 444 flow [2021-10-16 23:04:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:04:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:04:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions. [2021-10-16 23:04:53,012 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9157706093189965 [2021-10-16 23:04:53,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 511 transitions. [2021-10-16 23:04:53,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 511 transitions. [2021-10-16 23:04:53,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:53,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 511 transitions. [2021-10-16 23:04:53,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2021-10-16 23:04:53,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:53,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:53,015 INFO L186 Difference]: Start difference. First operand has 169 places, 165 transitions, 386 flow. Second operand 3 states and 511 transitions. [2021-10-16 23:04:53,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 173 transitions, 444 flow [2021-10-16 23:04:53,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 173 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:04:53,024 INFO L242 Difference]: Finished difference. Result has 171 places, 171 transitions, 424 flow [2021-10-16 23:04:53,025 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2021-10-16 23:04:53,025 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, -8 predicate places. [2021-10-16 23:04:53,025 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 424 flow [2021-10-16 23:04:53,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-10-16 23:04:53,026 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:53,026 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] [2021-10-16 23:04:53,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:04:53,026 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:53,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1052179368, now seen corresponding path program 1 times [2021-10-16 23:04:53,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:53,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723401277] [2021-10-16 23:04:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:53,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:53,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:53,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723401277] [2021-10-16 23:04:53,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723401277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:53,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:53,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:04:53,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33579480] [2021-10-16 23:04:53,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 23:04:53,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:53,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 23:04:53,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 23:04:53,132 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 186 [2021-10-16 23:04:53,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 424 flow. Second operand has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 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) [2021-10-16 23:04:53,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:53,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 186 [2021-10-16 23:04:53,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:54,081 INFO L129 PetriNetUnfolder]: 2122/10549 cut-off events. [2021-10-16 23:04:54,082 INFO L130 PetriNetUnfolder]: For 791/1035 co-relation queries the response was YES. [2021-10-16 23:04:54,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15475 conditions, 10549 events. 2122/10549 cut-off events. For 791/1035 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 129949 event pairs, 799 based on Foata normal form. 12/9156 useless extension candidates. Maximal degree in co-relation 15469. Up to 1594 conditions per place. [2021-10-16 23:04:54,324 INFO L132 encePairwiseOnDemand]: 176/186 looper letters, 14 selfloop transitions, 17 changer transitions 0/189 dead transitions. [2021-10-16 23:04:54,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 189 transitions, 546 flow [2021-10-16 23:04:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 23:04:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-16 23:04:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 858 transitions. [2021-10-16 23:04:54,327 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9225806451612903 [2021-10-16 23:04:54,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 858 transitions. [2021-10-16 23:04:54,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 858 transitions. [2021-10-16 23:04:54,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:54,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 858 transitions. [2021-10-16 23:04:54,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 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) [2021-10-16 23:04:54,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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) [2021-10-16 23:04:54,330 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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) [2021-10-16 23:04:54,330 INFO L186 Difference]: Start difference. First operand has 171 places, 171 transitions, 424 flow. Second operand 5 states and 858 transitions. [2021-10-16 23:04:54,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 189 transitions, 546 flow [2021-10-16 23:04:54,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 189 transitions, 528 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:04:54,353 INFO L242 Difference]: Finished difference. Result has 176 places, 185 transitions, 533 flow [2021-10-16 23:04:54,353 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=533, PETRI_PLACES=176, PETRI_TRANSITIONS=185} [2021-10-16 23:04:54,353 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, -3 predicate places. [2021-10-16 23:04:54,353 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 185 transitions, 533 flow [2021-10-16 23:04:54,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 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) [2021-10-16 23:04:54,354 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:54,354 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] [2021-10-16 23:04:54,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:04:54,354 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:54,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:54,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1625618340, now seen corresponding path program 2 times [2021-10-16 23:04:54,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:54,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574972375] [2021-10-16 23:04:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:54,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:54,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:54,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574972375] [2021-10-16 23:04:54,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574972375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:54,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:54,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 23:04:54,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044335987] [2021-10-16 23:04:54,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:04:54,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:54,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:04:54,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:04:54,392 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 186 [2021-10-16 23:04:54,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 185 transitions, 533 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:54,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:54,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 186 [2021-10-16 23:04:54,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:54,731 INFO L129 PetriNetUnfolder]: 527/4110 cut-off events. [2021-10-16 23:04:54,732 INFO L130 PetriNetUnfolder]: For 695/988 co-relation queries the response was YES. [2021-10-16 23:04:54,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5823 conditions, 4110 events. 527/4110 cut-off events. For 695/988 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 44507 event pairs, 254 based on Foata normal form. 78/3691 useless extension candidates. Maximal degree in co-relation 5815. Up to 594 conditions per place. [2021-10-16 23:04:54,761 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 7 selfloop transitions, 7 changer transitions 0/176 dead transitions. [2021-10-16 23:04:54,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 176 transitions, 511 flow [2021-10-16 23:04:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:04:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:04:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2021-10-16 23:04:54,763 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9283154121863799 [2021-10-16 23:04:54,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 518 transitions. [2021-10-16 23:04:54,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 518 transitions. [2021-10-16 23:04:54,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:54,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 518 transitions. [2021-10-16 23:04:54,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2021-10-16 23:04:54,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:54,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:54,765 INFO L186 Difference]: Start difference. First operand has 176 places, 185 transitions, 533 flow. Second operand 3 states and 518 transitions. [2021-10-16 23:04:54,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 176 transitions, 511 flow [2021-10-16 23:04:54,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 176 transitions, 497 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-10-16 23:04:54,769 INFO L242 Difference]: Finished difference. Result has 177 places, 176 transitions, 483 flow [2021-10-16 23:04:54,770 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=177, PETRI_TRANSITIONS=176} [2021-10-16 23:04:54,770 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, -2 predicate places. [2021-10-16 23:04:54,770 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 176 transitions, 483 flow [2021-10-16 23:04:54,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:54,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:54,770 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] [2021-10-16 23:04:54,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:04:54,771 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:54,771 INFO L82 PathProgramCache]: Analyzing trace with hash 18054085, now seen corresponding path program 1 times [2021-10-16 23:04:54,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:54,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099243536] [2021-10-16 23:04:54,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:54,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:54,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:54,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099243536] [2021-10-16 23:04:54,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099243536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:54,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:54,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:04:54,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480105859] [2021-10-16 23:04:54,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:04:54,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:54,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:04:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:04:54,819 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 186 [2021-10-16 23:04:54,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 176 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2021-10-16 23:04:54,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:54,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 186 [2021-10-16 23:04:54,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:55,433 INFO L129 PetriNetUnfolder]: 1273/6888 cut-off events. [2021-10-16 23:04:55,433 INFO L130 PetriNetUnfolder]: For 486/562 co-relation queries the response was YES. [2021-10-16 23:04:55,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10686 conditions, 6888 events. 1273/6888 cut-off events. For 486/562 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 79660 event pairs, 614 based on Foata normal form. 0/6007 useless extension candidates. Maximal degree in co-relation 10678. Up to 1342 conditions per place. [2021-10-16 23:04:55,507 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 12 selfloop transitions, 5 changer transitions 0/182 dead transitions. [2021-10-16 23:04:55,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 182 transitions, 529 flow [2021-10-16 23:04:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:04:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:04:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2021-10-16 23:04:55,508 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9193548387096774 [2021-10-16 23:04:55,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 513 transitions. [2021-10-16 23:04:55,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 513 transitions. [2021-10-16 23:04:55,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:55,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 513 transitions. [2021-10-16 23:04:55,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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) [2021-10-16 23:04:55,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:55,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:55,512 INFO L186 Difference]: Start difference. First operand has 177 places, 176 transitions, 483 flow. Second operand 3 states and 513 transitions. [2021-10-16 23:04:55,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 182 transitions, 529 flow [2021-10-16 23:04:55,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 182 transitions, 515 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:04:55,517 INFO L242 Difference]: Finished difference. Result has 179 places, 180 transitions, 507 flow [2021-10-16 23:04:55,517 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=179, PETRI_TRANSITIONS=180} [2021-10-16 23:04:55,517 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, 0 predicate places. [2021-10-16 23:04:55,517 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 180 transitions, 507 flow [2021-10-16 23:04:55,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2021-10-16 23:04:55,517 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:55,517 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] [2021-10-16 23:04:55,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:04:55,518 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:55,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:55,518 INFO L82 PathProgramCache]: Analyzing trace with hash 279415713, now seen corresponding path program 1 times [2021-10-16 23:04:55,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:55,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316347254] [2021-10-16 23:04:55,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:55,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:55,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:55,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316347254] [2021-10-16 23:04:55,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316347254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:55,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:55,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:04:55,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728985026] [2021-10-16 23:04:55,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:04:55,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:55,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:04:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:04:55,553 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 186 [2021-10-16 23:04:55,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 180 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:55,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:55,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 186 [2021-10-16 23:04:55,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:56,370 INFO L129 PetriNetUnfolder]: 1591/9462 cut-off events. [2021-10-16 23:04:56,370 INFO L130 PetriNetUnfolder]: For 1498/2565 co-relation queries the response was YES. [2021-10-16 23:04:56,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15712 conditions, 9462 events. 1591/9462 cut-off events. For 1498/2565 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 118195 event pairs, 626 based on Foata normal form. 1/8314 useless extension candidates. Maximal degree in co-relation 15703. Up to 1638 conditions per place. [2021-10-16 23:04:56,451 INFO L132 encePairwiseOnDemand]: 178/186 looper letters, 17 selfloop transitions, 7 changer transitions 0/186 dead transitions. [2021-10-16 23:04:56,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 575 flow [2021-10-16 23:04:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:04:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:04:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2021-10-16 23:04:56,452 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9121863799283154 [2021-10-16 23:04:56,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 509 transitions. [2021-10-16 23:04:56,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 509 transitions. [2021-10-16 23:04:56,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:56,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 509 transitions. [2021-10-16 23:04:56,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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) [2021-10-16 23:04:56,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:56,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-10-16 23:04:56,455 INFO L186 Difference]: Start difference. First operand has 179 places, 180 transitions, 507 flow. Second operand 3 states and 509 transitions. [2021-10-16 23:04:56,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 186 transitions, 575 flow [2021-10-16 23:04:56,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 186 transitions, 565 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:04:56,463 INFO L242 Difference]: Finished difference. Result has 181 places, 186 transitions, 559 flow [2021-10-16 23:04:56,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=177, 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=559, PETRI_PLACES=181, PETRI_TRANSITIONS=186} [2021-10-16 23:04:56,463 INFO L334 CegarLoopForPetriNet]: 179 programPoint places, 2 predicate places. [2021-10-16 23:04:56,463 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 186 transitions, 559 flow [2021-10-16 23:04:56,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:04:56,463 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:56,463 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] [2021-10-16 23:04:56,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:04:56,464 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-16 23:04:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:56,464 INFO L82 PathProgramCache]: Analyzing trace with hash 257804263, now seen corresponding path program 1 times [2021-10-16 23:04:56,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:56,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751810766] [2021-10-16 23:04:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:56,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:04:56,473 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:04:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:04:56,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:04:56,498 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:04:56,499 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:04:56,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:56,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:04:56,506 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:04:56,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:04:56,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:04:56 BasicIcfg [2021-10-16 23:04:56,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:04:56,557 INFO L168 Benchmark]: Toolchain (without parser) took 6128.13 ms. Allocated memory was 191.9 MB in the beginning and 931.1 MB in the end (delta: 739.2 MB). Free memory was 143.3 MB in the beginning and 561.3 MB in the end (delta: -418.0 MB). Peak memory consumption was 322.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,557 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:04:56,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.87 ms. Allocated memory is still 191.9 MB. Free memory was 143.1 MB in the beginning and 162.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 160.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,558 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 191.9 MB. Free memory was 160.0 MB in the beginning and 158.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,558 INFO L168 Benchmark]: RCFGBuilder took 630.42 ms. Allocated memory is still 191.9 MB. Free memory was 158.3 MB in the beginning and 134.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,559 INFO L168 Benchmark]: TraceAbstraction took 5076.99 ms. Allocated memory was 191.9 MB in the beginning and 931.1 MB in the end (delta: 739.2 MB). Free memory was 133.7 MB in the beginning and 561.3 MB in the end (delta: -427.6 MB). Peak memory consumption was 313.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:56,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 160.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 348.87 ms. Allocated memory is still 191.9 MB. Free memory was 143.1 MB in the beginning and 162.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 160.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 191.9 MB. Free memory was 160.0 MB in the beginning and 158.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 630.42 ms. Allocated memory is still 191.9 MB. Free memory was 158.3 MB in the beginning and 134.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5076.99 ms. Allocated memory was 191.9 MB in the beginning and 931.1 MB in the end (delta: 739.2 MB). Free memory was 133.7 MB in the beginning and 561.3 MB in the end (delta: -427.6 MB). Peak memory consumption was 313.1 MB. 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: 703]: 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] [L716] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L717] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L701] CALL 1 __VERIFIER_atomic_take_write_lock() [L690] EXPR 1 w==0 && 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 [L701] RET 1 __VERIFIER_atomic_take_write_lock() [L702] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L703] 1 w = 0 VAL [r=0, w=0, x=3, y=0] [L718] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=3, y=0] [L707] 2 int l; VAL [r=0, w=0, x=3, y=0] [L708] CALL 2 __VERIFIER_atomic_take_read_lock() [L694] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(w==0) [L695] 2 r = r+1 [L708] RET 2 __VERIFIER_atomic_take_read_lock() [L703] 1 w = 0 VAL [r=1, w=0, x=3, y=0] - 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: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: 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 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: 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: 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: 719]: 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: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: 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, 237 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4851.8ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4162.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 78.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 13 SDslu, 2 SDs, 0 SdLazy, 107 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=559occurred in iteration=7, InterpolantAutomatonStates: 22, 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: 27.6ms SsaConstructionTime, 117.2ms SatisfiabilityAnalysisTime, 248.8ms InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-10-16 23:04:56,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...