/usr/bin/java -Xmx8000000000 -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-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:52:29,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:52:29,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:52:29,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:52:29,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:52:29,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:52:29,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:52:29,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:52:29,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:52:29,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:52:29,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:52:29,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:52:29,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:52:29,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:52:29,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:52:29,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:52:29,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:52:29,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:52:29,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:52:29,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:52:29,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:52:29,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:52:29,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:52:29,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:52:29,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:52:29,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:52:29,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:52:29,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:52:29,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:52:29,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:52:29,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:52:29,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:52:29,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:52:29,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:52:29,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:52:29,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:52:29,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:52:29,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:52:29,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:52:29,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:52:29,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:52:29,392 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-FA-VariableLbe-McrStrategy.epf [2020-04-18 11:52:29,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:52:29,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:52:29,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:52:29,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:52:29,429 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:52:29,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:52:29,429 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:52:29,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:52:29,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:52:29,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:52:29,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:52:29,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:52:29,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:52:29,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:52:29,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:52:29,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:52:29,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:52:29,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:52:29,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:52:29,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:52:29,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:52:29,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:52:29,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:52:29,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:52:29,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:52:29,436 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:52:29,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:52:29,437 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 11:52:29,437 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:52:29,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:52:29,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:52:29,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:52:29,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:52:29,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:52:29,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:52:29,740 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:52:29,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-04-18 11:52:29,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51438e615/ea78075405ac4255acf5aaeeba4f28f0/FLAGe5557c6c0 [2020-04-18 11:52:30,313 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:52:30,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-04-18 11:52:30,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51438e615/ea78075405ac4255acf5aaeeba4f28f0/FLAGe5557c6c0 [2020-04-18 11:52:30,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51438e615/ea78075405ac4255acf5aaeeba4f28f0 [2020-04-18 11:52:30,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:52:30,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:52:30,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:52:30,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:52:30,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:52:30,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:52:30" (1/1) ... [2020-04-18 11:52:30,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0e8dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:30, skipping insertion in model container [2020-04-18 11:52:30,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:52:30" (1/1) ... [2020-04-18 11:52:30,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:52:30,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:52:31,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:52:31,161 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:52:31,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:52:31,338 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:52:31,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31 WrapperNode [2020-04-18 11:52:31,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:52:31,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:52:31,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:52:31,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:52:31,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:52:31,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:52:31,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:52:31,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:52:31,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (1/1) ... [2020-04-18 11:52:31,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:52:31,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:52:31,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:52:31,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:52:31,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (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 [2020-04-18 11:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-04-18 11:52:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-04-18 11:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-04-18 11:52:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-04-18 11:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-04-18 11:52:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-04-18 11:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 11:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 11:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:52:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:52:31,534 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:52:32,892 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:52:32,892 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 11:52:32,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:52:32 BoogieIcfgContainer [2020-04-18 11:52:32,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:52:32,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:52:32,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:52:32,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:52:32,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:52:30" (1/3) ... [2020-04-18 11:52:32,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25975319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:52:32, skipping insertion in model container [2020-04-18 11:52:32,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:52:31" (2/3) ... [2020-04-18 11:52:32,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25975319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:52:32, skipping insertion in model container [2020-04-18 11:52:32,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:52:32" (3/3) ... [2020-04-18 11:52:32,905 INFO L109 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2020-04-18 11:52:32,915 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:52:32,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:52:32,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 11:52:32,924 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:52:32,961 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,961 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,961 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,961 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,962 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,962 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,962 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,963 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,963 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,963 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,963 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,963 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,964 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,964 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,964 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,964 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,964 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,965 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,965 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,965 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,965 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,966 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,966 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,966 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,966 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,966 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,967 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,967 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,967 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,967 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,968 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,968 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,968 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,968 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,968 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,969 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,969 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,969 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,969 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,970 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,970 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,970 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,970 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,971 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,971 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,971 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,971 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,971 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,972 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,972 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,972 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,972 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,972 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,973 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,974 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,974 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,974 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,974 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,975 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,975 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,975 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,975 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,975 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,976 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,976 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,977 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,977 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,978 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,978 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,978 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,978 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,978 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,979 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,979 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,979 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,979 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,979 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,980 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,980 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,980 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,980 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,980 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,981 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,981 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,981 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,981 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,981 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,982 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,982 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,982 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,982 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,982 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,983 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,983 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,983 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,983 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,983 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,984 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,984 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,984 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,984 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,984 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,985 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,985 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,985 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,985 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,986 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,986 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,986 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,986 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,987 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,988 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,989 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,989 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,989 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,989 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,989 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,990 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,990 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,990 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,990 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,990 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,991 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,992 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,993 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,993 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,993 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,993 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,994 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,995 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,995 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,995 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,995 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,995 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,996 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,996 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,996 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,996 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:32,997 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,000 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,001 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,001 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,001 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,001 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,002 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,003 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,003 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,003 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,003 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,003 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,004 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,004 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,004 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,007 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,007 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,007 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,007 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,007 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,008 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,008 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,008 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,008 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,008 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,009 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,010 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,010 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,010 WARN L315 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,012 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,012 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,012 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,012 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,013 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,013 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,013 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,013 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,013 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,014 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,014 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,014 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,014 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,014 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,015 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,015 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,015 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,015 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,015 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,016 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,016 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,016 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,016 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,016 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,017 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,017 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,017 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,017 WARN L315 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,017 WARN L315 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:52:33,045 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 11:52:33,066 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:52:33,067 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:52:33,067 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:52:33,067 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:52:33,067 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:52:33,067 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:52:33,067 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:52:33,067 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:52:33,086 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 169 transitions, 380 flow [2020-04-18 11:52:33,088 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 169 transitions, 380 flow [2020-04-18 11:52:33,159 INFO L129 PetriNetUnfolder]: 25/177 cut-off events. [2020-04-18 11:52:33,159 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-04-18 11:52:33,176 INFO L80 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 177 events. 25/177 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 451 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 139. Up to 6 conditions per place. [2020-04-18 11:52:33,189 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 169 transitions, 380 flow [2020-04-18 11:52:33,240 INFO L129 PetriNetUnfolder]: 25/177 cut-off events. [2020-04-18 11:52:33,241 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-04-18 11:52:33,244 INFO L80 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 177 events. 25/177 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 451 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 139. Up to 6 conditions per place. [2020-04-18 11:52:33,262 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9896 [2020-04-18 11:52:33,263 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 11:52:36,154 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-04-18 11:52:36,314 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-04-18 11:52:36,347 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19413 [2020-04-18 11:52:36,347 INFO L214 etLargeBlockEncoding]: Total number of compositions: 109 [2020-04-18 11:52:36,351 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 75 transitions, 192 flow [2020-04-18 11:52:36,655 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4506 states. [2020-04-18 11:52:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states. [2020-04-18 11:52:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 11:52:36,676 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:52:36,677 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:52:36,678 INFO L427 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]=== [2020-04-18 11:52:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:36,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1479946689, now seen corresponding path program 1 times [2020-04-18 11:52:36,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:52:36,694 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1102567945] [2020-04-18 11:52:36,718 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:36,735 INFO L259 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-04-18 11:52:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-04-18 11:52:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 11:52:36,737 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:52:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:36,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1479946689, now seen corresponding path program 2 times [2020-04-18 11:52:36,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:52:36,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640717164] [2020-04-18 11:52:36,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:52:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:52:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:52:37,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640717164] [2020-04-18 11:52:37,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:52:37,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:52:37,094 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:52:37,095 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:37,104 INFO L259 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-04-18 11:52:37,105 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:52:37,113 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:52:37,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:37,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,120 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2020-04-18 11:52:37,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:37,129 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-04-18 11:52:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-04-18 11:52:37,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:52:37,130 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1102567945] [2020-04-18 11:52:37,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:52:37,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:52:37,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1102567945] [2020-04-18 11:52:37,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:52:37,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:52:37,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,140 INFO L87 Difference]: Start difference. First operand 4506 states. Second operand 3 states. [2020-04-18 11:52:37,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:37,251 INFO L93 Difference]: Finished difference Result 5644 states and 21035 transitions. [2020-04-18 11:52:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:52:37,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-04-18 11:52:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:52:37,313 INFO L225 Difference]: With dead ends: 5644 [2020-04-18 11:52:37,313 INFO L226 Difference]: Without dead ends: 4800 [2020-04-18 11:52:37,315 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2020-04-18 11:52:37,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4263. [2020-04-18 11:52:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4263 states. [2020-04-18 11:52:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 4263 states and 16535 transitions. [2020-04-18 11:52:37,549 INFO L78 Accepts]: Start accepts. Automaton has 4263 states and 16535 transitions. Word has length 12 [2020-04-18 11:52:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:52:37,550 INFO L479 AbstractCegarLoop]: Abstraction has 4263 states and 16535 transitions. [2020-04-18 11:52:37,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:52:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 16535 transitions. [2020-04-18 11:52:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:52:37,553 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:52:37,553 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:52:37,554 INFO L427 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]=== [2020-04-18 11:52:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:37,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1361333064, now seen corresponding path program 1 times [2020-04-18 11:52:37,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:52:37,555 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1088353505] [2020-04-18 11:52:37,555 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:37,556 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:52:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-04-18 11:52:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:52:37,557 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:52:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:37,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1361333064, now seen corresponding path program 2 times [2020-04-18 11:52:37,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:52:37,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406488653] [2020-04-18 11:52:37,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:52:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:52:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:52:37,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406488653] [2020-04-18 11:52:37,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:52:37,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 11:52:37,653 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:52:37,654 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:37,656 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:52:37,656 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:52:37,665 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:52:37,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:37,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,666 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2020-04-18 11:52:37,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:37,670 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-04-18 11:52:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-04-18 11:52:37,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:52:37,673 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1088353505] [2020-04-18 11:52:37,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:52:37,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1 [2020-04-18 11:52:37,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1088353505] [2020-04-18 11:52:37,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:52:37,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:52:37,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:37,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,675 INFO L87 Difference]: Start difference. First operand 4263 states and 16535 transitions. Second operand 3 states. [2020-04-18 11:52:37,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:37,832 INFO L93 Difference]: Finished difference Result 4168 states and 16162 transitions. [2020-04-18 11:52:37,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:52:37,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-18 11:52:37,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:52:37,867 INFO L225 Difference]: With dead ends: 4168 [2020-04-18 11:52:37,868 INFO L226 Difference]: Without dead ends: 4168 [2020-04-18 11:52:37,869 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:37,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2020-04-18 11:52:37,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 4168. [2020-04-18 11:52:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2020-04-18 11:52:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 16162 transitions. [2020-04-18 11:52:38,016 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 16162 transitions. Word has length 13 [2020-04-18 11:52:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:52:38,017 INFO L479 AbstractCegarLoop]: Abstraction has 4168 states and 16162 transitions. [2020-04-18 11:52:38,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:52:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 16162 transitions. [2020-04-18 11:52:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:52:38,019 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:52:38,019 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:52:38,020 INFO L427 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]=== [2020-04-18 11:52:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:38,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1361333060, now seen corresponding path program 1 times [2020-04-18 11:52:38,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:52:38,020 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [231025393] [2020-04-18 11:52:38,021 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:38,022 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:52:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-04-18 11:52:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:52:38,023 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:52:38,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:38,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1361333060, now seen corresponding path program 2 times [2020-04-18 11:52:38,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:52:38,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249802001] [2020-04-18 11:52:38,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:52:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:52:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:52:38,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249802001] [2020-04-18 11:52:38,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:52:38,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 11:52:38,085 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:52:38,089 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:38,091 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 11:52:38,091 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:52:38,094 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:52:38,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:38,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:38,095 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2020-04-18 11:52:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:38,097 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-04-18 11:52:38,097 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-04-18 11:52:38,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:52:38,098 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [231025393] [2020-04-18 11:52:38,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:52:38,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1 [2020-04-18 11:52:38,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [231025393] [2020-04-18 11:52:38,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:52:38,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:52:38,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:52:38,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:38,102 INFO L87 Difference]: Start difference. First operand 4168 states and 16162 transitions. Second operand 3 states. [2020-04-18 11:52:38,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:38,195 INFO L93 Difference]: Finished difference Result 4073 states and 15789 transitions. [2020-04-18 11:52:38,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:52:38,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-18 11:52:38,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:52:38,253 INFO L225 Difference]: With dead ends: 4073 [2020-04-18 11:52:38,253 INFO L226 Difference]: Without dead ends: 4073 [2020-04-18 11:52:38,254 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:52:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2020-04-18 11:52:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 4073. [2020-04-18 11:52:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4073 states. [2020-04-18 11:52:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 15789 transitions. [2020-04-18 11:52:38,418 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 15789 transitions. Word has length 13 [2020-04-18 11:52:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:52:38,419 INFO L479 AbstractCegarLoop]: Abstraction has 4073 states and 15789 transitions. [2020-04-18 11:52:38,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:52:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 15789 transitions. [2020-04-18 11:52:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 11:52:38,425 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:52:38,425 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:52:38,425 INFO L427 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]=== [2020-04-18 11:52:38,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:38,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1515441308, now seen corresponding path program 1 times [2020-04-18 11:52:38,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:52:38,427 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1748138194] [2020-04-18 11:52:38,427 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:38,431 INFO L259 McrAutomatonBuilder]: Finished intersection with 62 states and 105 transitions. [2020-04-18 11:52:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-04-18 11:52:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 11:52:38,434 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:52:38,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:38,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1515441308, now seen corresponding path program 2 times [2020-04-18 11:52:38,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:52:38,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634821744] [2020-04-18 11:52:38,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:52:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:52:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:52:38,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634821744] [2020-04-18 11:52:38,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:52:38,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 11:52:38,552 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:52:38,554 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:52:38,559 INFO L259 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2020-04-18 11:52:38,559 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:52:38,587 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:52:38,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 11:52:38,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-04-18 11:52:38,588 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2020-04-18 11:52:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:52:38,754 INFO L93 Difference]: Finished difference Result 78 states and 127 transitions. [2020-04-18 11:52:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2020-04-18 11:52:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 11:52:38,754 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:52:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:52:38,755 INFO L82 PathProgramCache]: Analyzing trace with hash 838746604, now seen corresponding path program 3 times [2020-04-18 11:52:38,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:52:38,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015003249] [2020-04-18 11:52:38,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:52:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:52:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:52:38,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:52:38,832 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:52:38,832 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:52:38,834 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 11:52:38,850 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [949] [949] L758-1-->qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (ite (and (= 1 qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1_Out1277457398) (= ~readerprogress1~0_In1277457398 1)) 1 0) |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond_Out1277457398|) (= qrcu_updaterThread1of1ForFork2_~readerstart1~0_In1277457398 |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1_Out1277457398|) (not (= 0 qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond_Out1277457398)) (not (= 0 |v_qrcu_updater___VERIFIER_atomic_check_progress1_#t~nondet6_95|)) (= |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond_Out1277457398| qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond_Out1277457398) (= |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1_Out1277457398| qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1_Out1277457398) (<= 0 (+ |v_qrcu_updater___VERIFIER_atomic_check_progress1_#t~nondet6_95| 2147483648)) (<= |v_qrcu_updater___VERIFIER_atomic_check_progress1_#t~nondet6_95| 2147483647)) InVars {qrcu_updaterThread1of1ForFork2_~readerstart1~0=qrcu_updaterThread1of1ForFork2_~readerstart1~0_In1277457398, ~readerprogress1~0=~readerprogress1~0_In1277457398} OutVars{qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond=|qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond_Out1277457398|, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6=|qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6_Out1277457398|, qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond=qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond_Out1277457398, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1=|qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1_Out1277457398|, qrcu_updaterThread1of1ForFork2_~readerstart1~0=qrcu_updaterThread1of1ForFork2_~readerstart1~0_In1277457398, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1=qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1_Out1277457398, ~readerprogress1~0=~readerprogress1~0_In1277457398} AuxVars[|v_qrcu_updater___VERIFIER_atomic_check_progress1_#t~nondet6_95|] AssignedVars[qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6, qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1, qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1] because there is no mapped edge [2020-04-18 11:52:38,859 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-04-18 11:52:38,859 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_use1(myidx) [717] [2020-04-18 11:52:38,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:52:38 BasicIcfg [2020-04-18 11:52:38,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:52:38,926 INFO L168 Benchmark]: Toolchain (without parser) took 8289.87 ms. Allocated memory was 145.8 MB in the beginning and 318.2 MB in the end (delta: 172.5 MB). Free memory was 101.1 MB in the beginning and 203.4 MB in the end (delta: -102.3 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,928 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.96 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 99.1 MB in the beginning and 159.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.02 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 156.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,934 INFO L168 Benchmark]: Boogie Preprocessor took 40.12 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 154.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,935 INFO L168 Benchmark]: RCFGBuilder took 1446.89 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 154.3 MB in the beginning and 155.0 MB in the end (delta: -732.5 kB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,938 INFO L168 Benchmark]: TraceAbstraction took 6025.78 ms. Allocated memory was 235.4 MB in the beginning and 318.2 MB in the end (delta: 82.8 MB). Free memory was 153.6 MB in the beginning and 203.4 MB in the end (delta: -49.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-04-18 11:52:38,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.96 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 99.1 MB in the beginning and 159.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.02 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 156.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.12 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 154.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1446.89 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 154.3 MB in the beginning and 155.0 MB in the end (delta: -732.5 kB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6025.78 ms. Allocated memory was 235.4 MB in the beginning and 318.2 MB in the end (delta: 82.8 MB). Free memory was 153.6 MB in the beginning and 203.4 MB in the end (delta: -49.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 153 ProgramPointsBefore, 65 ProgramPointsAfterwards, 169 TransitionsBefore, 75 TransitionsAfterwards, 9896 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 6 ChoiceCompositions, 4528 VarBasedMoverChecksPositive, 75 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 19413 CheckedPairsTotal, 109 TotalNumberOfCompositions - 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={7:0}, readerprogress1=0, readerprogress2=0] [L713] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L714] COND TRUE 1 1 [L715] 1 myidx = idx [L774] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L775] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, 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()) [L755] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L756] COND TRUE 3 sum <= 1 [L756] COND TRUE 3 __VERIFIER_nondet_int() [L756] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L716] COND TRUE 1 __VERIFIER_nondet_int() [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={7:0}, readerprogress1=1, readerprogress2=0] [L756] 3 sum = sum + ctr2 VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] [L758] COND FALSE 3 !(sum > 1) VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 144 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 229 SDtfs, 135 SDslu, 140 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4506occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 537 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...