/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 03:28:28,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 03:28:28,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 03:28:28,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 03:28:28,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 03:28:28,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 03:28:28,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 03:28:28,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 03:28:28,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 03:28:28,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 03:28:28,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 03:28:28,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 03:28:28,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 03:28:28,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 03:28:28,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 03:28:28,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 03:28:28,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 03:28:28,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 03:28:28,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 03:28:28,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 03:28:28,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 03:28:28,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 03:28:28,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 03:28:28,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 03:28:28,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 03:28:28,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 03:28:28,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 03:28:28,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 03:28:28,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 03:28:28,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 03:28:28,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 03:28:28,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 03:28:28,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 03:28:28,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 03:28:28,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 03:28:28,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 03:28:28,634 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-SemanticLbe-SemanticLooper.epf [2020-10-16 03:28:28,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 03:28:28,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 03:28:28,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 03:28:28,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 03:28:28,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 03:28:28,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 03:28:28,660 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 03:28:28,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 03:28:28,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 03:28:28,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 03:28:28,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 03:28:28,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 03:28:28,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 03:28:28,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 03:28:28,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 03:28:28,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 03:28:28,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:28:28,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 03:28:28,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 03:28:28,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 03:28:28,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 03:28:28,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 03:28:28,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 03:28:28,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 03:28:28,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 03:28:28,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 03:28:28,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 03:28:28,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 03:28:28,956 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 03:28:28,957 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-16 03:28:29,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d464105/bde09b40bdc64d108334050f746cbb3f/FLAG01ee3290f [2020-10-16 03:28:29,498 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 03:28:29,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-16 03:28:29,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d464105/bde09b40bdc64d108334050f746cbb3f/FLAG01ee3290f [2020-10-16 03:28:29,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d464105/bde09b40bdc64d108334050f746cbb3f [2020-10-16 03:28:29,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 03:28:29,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 03:28:29,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 03:28:29,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 03:28:29,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 03:28:29,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:28:29" (1/1) ... [2020-10-16 03:28:29,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c623b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:29, skipping insertion in model container [2020-10-16 03:28:29,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:28:29" (1/1) ... [2020-10-16 03:28:29,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 03:28:29,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 03:28:30,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:28:30,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 03:28:30,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:28:30,599 INFO L208 MainTranslator]: Completed translation [2020-10-16 03:28:30,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30 WrapperNode [2020-10-16 03:28:30,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 03:28:30,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 03:28:30,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 03:28:30,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 03:28:30,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 03:28:30,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 03:28:30,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 03:28:30,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 03:28:30,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... [2020-10-16 03:28:30,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 03:28:30,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 03:28:30,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 03:28:30,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 03:28:30,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:28:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-16 03:28:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-16 03:28:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-16 03:28:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-16 03:28:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 03:28:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 03:28:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-16 03:28:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-16 03:28:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 03:28:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 03:28:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 03:28:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 03:28:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 03:28:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 03:28:30,785 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 03:28:31,968 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 03:28:31,969 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 03:28:31,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:28:31 BoogieIcfgContainer [2020-10-16 03:28:31,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 03:28:31,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 03:28:31,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 03:28:31,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 03:28:31,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:28:29" (1/3) ... [2020-10-16 03:28:31,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d39cf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:28:31, skipping insertion in model container [2020-10-16 03:28:31,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:28:30" (2/3) ... [2020-10-16 03:28:31,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d39cf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:28:31, skipping insertion in model container [2020-10-16 03:28:31,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:28:31" (3/3) ... [2020-10-16 03:28:31,980 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2020-10-16 03:28:31,992 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 03:28:32,000 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 03:28:32,001 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 03:28:32,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,041 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,044 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,044 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,044 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,046 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,046 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,046 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,047 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,050 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,054 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,054 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,055 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,057 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,057 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,057 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,058 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,061 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,061 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,061 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,061 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,061 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,062 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,063 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,063 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,063 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,063 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,063 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,064 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,064 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,064 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,064 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,065 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,065 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,066 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,070 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,070 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,071 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,072 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,072 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,072 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,072 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,072 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,073 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,073 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,073 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,073 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,078 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,078 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,078 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,078 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,079 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,079 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,079 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,079 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,079 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,081 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,086 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,086 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,086 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,087 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,087 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,087 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,087 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,087 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,088 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,088 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,088 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,088 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,088 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,089 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,089 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,089 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,089 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,089 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,090 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,094 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,094 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,094 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,094 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,094 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,095 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,095 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,095 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,095 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,095 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,099 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,099 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:28:32,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 03:28:32,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:28:32,149 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:28:32,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:28:32,149 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:28:32,149 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:28:32,150 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:28:32,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:28:32,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:28:32,167 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 167 transitions, 376 flow [2020-10-16 03:28:32,236 INFO L129 PetriNetUnfolder]: 23/175 cut-off events. [2020-10-16 03:28:32,237 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-16 03:28:32,245 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 175 events. 23/175 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 445 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2020-10-16 03:28:32,245 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 167 transitions, 376 flow [2020-10-16 03:28:32,254 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 151 transitions, 329 flow [2020-10-16 03:28:32,257 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:28:32,259 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 151 transitions, 329 flow [2020-10-16 03:28:32,262 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 151 transitions, 329 flow [2020-10-16 03:28:32,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 139 places, 151 transitions, 329 flow [2020-10-16 03:28:32,299 INFO L129 PetriNetUnfolder]: 21/162 cut-off events. [2020-10-16 03:28:32,299 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2020-10-16 03:28:32,302 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 162 events. 21/162 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 439 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2020-10-16 03:28:32,312 INFO L117 LiptonReduction]: Number of co-enabled transitions 9672 [2020-10-16 03:28:35,594 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-10-16 03:28:35,767 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-16 03:28:35,948 INFO L132 LiptonReduction]: Checked pairs total: 19349 [2020-10-16 03:28:35,948 INFO L134 LiptonReduction]: Total number of compositions: 112 [2020-10-16 03:28:35,951 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3696 [2020-10-16 03:28:35,963 INFO L129 PetriNetUnfolder]: 9/46 cut-off events. [2020-10-16 03:28:35,963 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:28:35,963 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:35,964 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:35,965 INFO L429 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1908227360, now seen corresponding path program 1 times [2020-10-16 03:28:35,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:35,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063162676] [2020-10-16 03:28:35,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:28:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:28:36,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063162676] [2020-10-16 03:28:36,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:28:36,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:28:36,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171147064] [2020-10-16 03:28:36,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:28:36,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:28:36,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:28:36,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:28:36,218 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 279 [2020-10-16 03:28:36,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 66 transitions, 159 flow. Second operand 3 states. [2020-10-16 03:28:36,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:28:36,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 279 [2020-10-16 03:28:36,223 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:28:36,280 INFO L129 PetriNetUnfolder]: 16/91 cut-off events. [2020-10-16 03:28:36,280 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-10-16 03:28:36,281 INFO L80 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 91 events. 16/91 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 257 event pairs, 0 based on Foata normal form. 28/102 useless extension candidates. Maximal degree in co-relation 102. Up to 13 conditions per place. [2020-10-16 03:28:36,283 INFO L132 encePairwiseOnDemand]: 273/279 looper letters, 14 selfloop transitions, 3 changer transitions 0/66 dead transitions. [2020-10-16 03:28:36,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 193 flow [2020-10-16 03:28:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:28:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:28:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2020-10-16 03:28:36,304 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8542413381123058 [2020-10-16 03:28:36,305 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2020-10-16 03:28:36,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2020-10-16 03:28:36,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:28:36,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2020-10-16 03:28:36,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:28:36,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:28:36,326 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:28:36,328 INFO L185 Difference]: Start difference. First operand has 59 places, 66 transitions, 159 flow. Second operand 3 states and 715 transitions. [2020-10-16 03:28:36,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 193 flow [2020-10-16 03:28:36,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 66 transitions, 175 flow, removed 0 selfloop flow, removed 6 redundant places. [2020-10-16 03:28:36,336 INFO L241 Difference]: Finished difference. Result has 57 places, 66 transitions, 159 flow [2020-10-16 03:28:36,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=57, PETRI_TRANSITIONS=66} [2020-10-16 03:28:36,340 INFO L342 CegarLoopForPetriNet]: 59 programPoint places, -2 predicate places. [2020-10-16 03:28:36,341 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 66 transitions, 159 flow [2020-10-16 03:28:36,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:28:36,341 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:36,341 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:36,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 03:28:36,342 INFO L429 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:36,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:36,342 INFO L82 PathProgramCache]: Analyzing trace with hash 978949916, now seen corresponding path program 1 times [2020-10-16 03:28:36,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:36,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573713293] [2020-10-16 03:28:36,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:28:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:28:36,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573713293] [2020-10-16 03:28:36,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:28:36,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 03:28:36,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600503024] [2020-10-16 03:28:36,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:28:36,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:28:36,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:28:36,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:28:36,476 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 279 [2020-10-16 03:28:36,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 66 transitions, 159 flow. Second operand 3 states. [2020-10-16 03:28:36,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:28:36,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 279 [2020-10-16 03:28:36,478 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:28:36,509 INFO L129 PetriNetUnfolder]: 26/135 cut-off events. [2020-10-16 03:28:36,510 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:28:36,511 INFO L80 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 135 events. 26/135 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 547 event pairs, 2 based on Foata normal form. 2/118 useless extension candidates. Maximal degree in co-relation 122. Up to 18 conditions per place. [2020-10-16 03:28:36,512 INFO L132 encePairwiseOnDemand]: 276/279 looper letters, 6 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2020-10-16 03:28:36,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 68 transitions, 179 flow [2020-10-16 03:28:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:28:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:28:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2020-10-16 03:28:36,515 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2020-10-16 03:28:36,515 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:28:36,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:28:36,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:28:36,521 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:28:36,521 INFO L185 Difference]: Start difference. First operand has 57 places, 66 transitions, 159 flow. Second operand 3 states and 744 transitions. [2020-10-16 03:28:36,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 68 transitions, 179 flow [2020-10-16 03:28:36,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 68 transitions, 176 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:28:36,524 INFO L241 Difference]: Finished difference. Result has 59 places, 66 transitions, 164 flow [2020-10-16 03:28:36,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=59, PETRI_TRANSITIONS=66} [2020-10-16 03:28:36,525 INFO L342 CegarLoopForPetriNet]: 59 programPoint places, 0 predicate places. [2020-10-16 03:28:36,526 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 66 transitions, 164 flow [2020-10-16 03:28:36,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:28:36,526 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:36,526 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:36,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 03:28:36,527 INFO L429 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:36,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:36,527 INFO L82 PathProgramCache]: Analyzing trace with hash 978949846, now seen corresponding path program 1 times [2020-10-16 03:28:36,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:36,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203906301] [2020-10-16 03:28:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:28:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:28:36,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203906301] [2020-10-16 03:28:36,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:28:36,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 03:28:36,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014125556] [2020-10-16 03:28:36,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:28:36,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:28:36,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:28:36,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:28:36,605 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 279 [2020-10-16 03:28:36,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 66 transitions, 164 flow. Second operand 3 states. [2020-10-16 03:28:36,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:28:36,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 279 [2020-10-16 03:28:36,606 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:28:36,649 INFO L129 PetriNetUnfolder]: 26/135 cut-off events. [2020-10-16 03:28:36,649 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:28:36,650 INFO L80 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 135 events. 26/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 583 event pairs, 2 based on Foata normal form. 2/119 useless extension candidates. Maximal degree in co-relation 156. Up to 18 conditions per place. [2020-10-16 03:28:36,651 INFO L132 encePairwiseOnDemand]: 276/279 looper letters, 6 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2020-10-16 03:28:36,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 184 flow [2020-10-16 03:28:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:28:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:28:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2020-10-16 03:28:36,658 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2020-10-16 03:28:36,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:28:36,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 744 transitions. [2020-10-16 03:28:36,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:28:36,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:28:36,663 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:28:36,663 INFO L185 Difference]: Start difference. First operand has 59 places, 66 transitions, 164 flow. Second operand 3 states and 744 transitions. [2020-10-16 03:28:36,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 184 flow [2020-10-16 03:28:36,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:28:36,666 INFO L241 Difference]: Finished difference. Result has 60 places, 66 transitions, 168 flow [2020-10-16 03:28:36,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=60, PETRI_TRANSITIONS=66} [2020-10-16 03:28:36,666 INFO L342 CegarLoopForPetriNet]: 59 programPoint places, 1 predicate places. [2020-10-16 03:28:36,666 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 66 transitions, 168 flow [2020-10-16 03:28:36,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:28:36,667 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:36,667 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:36,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 03:28:36,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:36,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1163168687, now seen corresponding path program 1 times [2020-10-16 03:28:36,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:36,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186256034] [2020-10-16 03:28:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:28:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:28:36,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186256034] [2020-10-16 03:28:36,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:28:36,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 03:28:36,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655939434] [2020-10-16 03:28:36,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:28:36,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:28:36,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:28:36,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:28:36,717 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 279 [2020-10-16 03:28:36,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 66 transitions, 168 flow. Second operand 3 states. [2020-10-16 03:28:36,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:28:36,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 279 [2020-10-16 03:28:36,719 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:28:36,816 INFO L129 PetriNetUnfolder]: 165/545 cut-off events. [2020-10-16 03:28:36,816 INFO L130 PetriNetUnfolder]: For 10/24 co-relation queries the response was YES. [2020-10-16 03:28:36,819 INFO L80 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 545 events. 165/545 cut-off events. For 10/24 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3663 event pairs, 51 based on Foata normal form. 28/542 useless extension candidates. Maximal degree in co-relation 609. Up to 137 conditions per place. [2020-10-16 03:28:36,823 INFO L132 encePairwiseOnDemand]: 274/279 looper letters, 15 selfloop transitions, 4 changer transitions 0/69 dead transitions. [2020-10-16 03:28:36,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 69 transitions, 212 flow [2020-10-16 03:28:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:28:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:28:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2020-10-16 03:28:36,827 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8183990442054958 [2020-10-16 03:28:36,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 685 transitions. [2020-10-16 03:28:36,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 685 transitions. [2020-10-16 03:28:36,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:28:36,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 685 transitions. [2020-10-16 03:28:36,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:28:36,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:28:36,831 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:28:36,831 INFO L185 Difference]: Start difference. First operand has 60 places, 66 transitions, 168 flow. Second operand 3 states and 685 transitions. [2020-10-16 03:28:36,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 69 transitions, 212 flow [2020-10-16 03:28:36,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 69 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:28:36,835 INFO L241 Difference]: Finished difference. Result has 61 places, 66 transitions, 178 flow [2020-10-16 03:28:36,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=61, PETRI_TRANSITIONS=66} [2020-10-16 03:28:36,836 INFO L342 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2020-10-16 03:28:36,836 INFO L481 AbstractCegarLoop]: Abstraction has has 61 places, 66 transitions, 178 flow [2020-10-16 03:28:36,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:28:36,836 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:36,836 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:36,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 03:28:36,837 INFO L429 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:36,837 INFO L82 PathProgramCache]: Analyzing trace with hash 411356124, now seen corresponding path program 1 times [2020-10-16 03:28:36,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:36,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897883054] [2020-10-16 03:28:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:28:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:28:36,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897883054] [2020-10-16 03:28:36,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:28:36,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 03:28:36,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374887930] [2020-10-16 03:28:36,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 03:28:36,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:28:36,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 03:28:36,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 03:28:36,940 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 279 [2020-10-16 03:28:36,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 66 transitions, 178 flow. Second operand 6 states. [2020-10-16 03:28:36,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:28:36,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 279 [2020-10-16 03:28:36,942 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:28:37,514 INFO L129 PetriNetUnfolder]: 559/1510 cut-off events. [2020-10-16 03:28:37,514 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2020-10-16 03:28:37,522 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1510 events. 559/1510 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 11495 event pairs, 82 based on Foata normal form. 13/1407 useless extension candidates. Maximal degree in co-relation 1848. Up to 226 conditions per place. [2020-10-16 03:28:37,532 INFO L132 encePairwiseOnDemand]: 261/279 looper letters, 83 selfloop transitions, 42 changer transitions 0/158 dead transitions. [2020-10-16 03:28:37,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 158 transitions, 701 flow [2020-10-16 03:28:37,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 03:28:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 03:28:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1959 transitions. [2020-10-16 03:28:37,540 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7021505376344086 [2020-10-16 03:28:37,540 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1959 transitions. [2020-10-16 03:28:37,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1959 transitions. [2020-10-16 03:28:37,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:28:37,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1959 transitions. [2020-10-16 03:28:37,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-16 03:28:37,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-16 03:28:37,551 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-16 03:28:37,551 INFO L185 Difference]: Start difference. First operand has 61 places, 66 transitions, 178 flow. Second operand 10 states and 1959 transitions. [2020-10-16 03:28:37,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 158 transitions, 701 flow [2020-10-16 03:28:37,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 158 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:28:37,562 INFO L241 Difference]: Finished difference. Result has 77 places, 109 transitions, 526 flow [2020-10-16 03:28:37,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=526, PETRI_PLACES=77, PETRI_TRANSITIONS=109} [2020-10-16 03:28:37,563 INFO L342 CegarLoopForPetriNet]: 59 programPoint places, 18 predicate places. [2020-10-16 03:28:37,563 INFO L481 AbstractCegarLoop]: Abstraction has has 77 places, 109 transitions, 526 flow [2020-10-16 03:28:37,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 03:28:37,563 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:28:37,563 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:28:37,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 03:28:37,564 INFO L429 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:28:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:28:37,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1163205205, now seen corresponding path program 1 times [2020-10-16 03:28:37,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:28:37,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763128803] [2020-10-16 03:28:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:28:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:28:37,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:28:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 03:28:37,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 03:28:37,684 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 03:28:37,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 03:28:37,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 03:28:37,705 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 03:28:37,705 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 03:28:37,706 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 03:28:37,706 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 03:28:37,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:28:37 BasicIcfg [2020-10-16 03:28:37,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 03:28:37,746 INFO L168 Benchmark]: Toolchain (without parser) took 7951.11 ms. Allocated memory was 253.8 MB in the beginning and 500.7 MB in the end (delta: 246.9 MB). Free memory was 206.4 MB in the beginning and 344.8 MB in the end (delta: -138.4 MB). Peak memory consumption was 108.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,746 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 03:28:37,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.51 ms. Allocated memory was 253.8 MB in the beginning and 321.9 MB in the end (delta: 68.2 MB). Free memory was 206.4 MB in the beginning and 272.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.91 ms. Allocated memory is still 321.9 MB. Free memory was 272.3 MB in the beginning and 269.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,749 INFO L168 Benchmark]: Boogie Preprocessor took 38.98 ms. Allocated memory is still 321.9 MB. Free memory was 269.8 MB in the beginning and 267.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,750 INFO L168 Benchmark]: RCFGBuilder took 1268.46 ms. Allocated memory was 321.9 MB in the beginning and 363.3 MB in the end (delta: 41.4 MB). Free memory was 267.3 MB in the beginning and 324.2 MB in the end (delta: -56.9 MB). Peak memory consumption was 99.1 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,751 INFO L168 Benchmark]: TraceAbstraction took 5770.85 ms. Allocated memory was 363.3 MB in the beginning and 500.7 MB in the end (delta: 137.4 MB). Free memory was 324.2 MB in the beginning and 344.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 116.8 MB. Max. memory is 14.2 GB. [2020-10-16 03:28:37,757 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 804.51 ms. Allocated memory was 253.8 MB in the beginning and 321.9 MB in the end (delta: 68.2 MB). Free memory was 206.4 MB in the beginning and 272.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.91 ms. Allocated memory is still 321.9 MB. Free memory was 272.3 MB in the beginning and 269.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 38.98 ms. Allocated memory is still 321.9 MB. Free memory was 269.8 MB in the beginning and 267.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1268.46 ms. Allocated memory was 321.9 MB in the beginning and 363.3 MB in the end (delta: 41.4 MB). Free memory was 267.3 MB in the beginning and 324.2 MB in the end (delta: -56.9 MB). Peak memory consumption was 99.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5770.85 ms. Allocated memory was 363.3 MB in the beginning and 500.7 MB in the end (delta: 137.4 MB). Free memory was 324.2 MB in the beginning and 344.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 116.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6470 VarBasedMoverChecksPositive, 140 VarBasedMoverChecksNegative, 40 SemBasedMoverChecksPositive, 100 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 983 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 139 PlacesBefore, 59 PlacesAfterwards, 151 TransitionsBefore, 66 TransitionsAfterwards, 9672 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 112 TotalNumberOfCompositions, 19349 MoverChecksTotal - CounterExampleResult [Line: 701]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L678] 0 int idx=0; [L679] 0 int ctr1=1, ctr2=0; [L680] 0 int readerprogress1=0, readerprogress2=0; [L681] 0 pthread_mutex_t mutex; [L771] 0 pthread_t t1, t2, t3; [L773] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L774] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L775] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L751] 3 int i; [L752] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L752] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L753] 3 int sum; [L754] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L695] 3 readerstart1 = readerprogress1 [L696] 3 readerstart2 = readerprogress2 [L754] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L755] COND FALSE 3 !(__VERIFIER_nondet_int()) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L756] COND TRUE 3 sum <= 1 [L756] COND FALSE 3 !(__VERIFIER_nondet_int()) [L756] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L756] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L758] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L713] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L714] COND TRUE 1 1 [L715] 1 myidx = idx [L716] COND TRUE 1 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L717] CALL 1 __VERIFIER_atomic_use1(myidx) [L683] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND TRUE 1 !cond [L683] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L684] 1 ctr1++ [L717] RET 1 __VERIFIER_atomic_use1(myidx) [L726] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0] [L766] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L699] COND TRUE 3 __VERIFIER_nondet_int() [L700] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L700] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L701] COND TRUE 3 !(0) [L701] 3 __VERIFIER_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 144 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 59 SDtfs, 72 SDslu, 18 SDs, 0 SdLazy, 247 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=526occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 2767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! Received shutdown request...