/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 14:57:13,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 14:57:13,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 14:57:13,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 14:57:13,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 14:57:13,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 14:57:13,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 14:57:13,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 14:57:13,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 14:57:13,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 14:57:13,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 14:57:13,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 14:57:13,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 14:57:13,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 14:57:13,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 14:57:13,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 14:57:13,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 14:57:13,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 14:57:13,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 14:57:13,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 14:57:13,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 14:57:13,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 14:57:13,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 14:57:13,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 14:57:13,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 14:57:13,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 14:57:13,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 14:57:13,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 14:57:13,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 14:57:13,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 14:57:13,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 14:57:13,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 14:57:13,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 14:57:13,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 14:57:13,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 14:57:13,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 14:57:13,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 14:57:13,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 14:57:13,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 14:57:13,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 14:57:13,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 14:57:13,590 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-NoLbe-Delay.epf [2021-06-16 14:57:13,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 14:57:13,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 14:57:13,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 14:57:13,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 14:57:13,625 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 14:57:13,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 14:57:13,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 14:57:13,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 14:57:13,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 14:57:13,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 14:57:13,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 14:57:13,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 14:57:13,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 14:57:13,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 14:57:13,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 14:57:13,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 14:57:13,629 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 14:57:13,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 14:57:13,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 14:57:13,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 14:57:13,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 14:57:13,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 14:57:13,887 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 14:57:13,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-16 14:57:13,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7e0413/1a6f701e5d2d42e190eabc9f20772ade/FLAGad63b0709 [2021-06-16 14:57:14,337 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 14:57:14,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-16 14:57:14,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7e0413/1a6f701e5d2d42e190eabc9f20772ade/FLAGad63b0709 [2021-06-16 14:57:14,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7e0413/1a6f701e5d2d42e190eabc9f20772ade [2021-06-16 14:57:14,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 14:57:14,705 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 14:57:14,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 14:57:14,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 14:57:14,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 14:57:14,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 02:57:14" (1/1) ... [2021-06-16 14:57:14,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790b408b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:14, skipping insertion in model container [2021-06-16 14:57:14,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 02:57:14" (1/1) ... [2021-06-16 14:57:14,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 14:57:14,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 14:57:14,992 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-16 14:57:14,996 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-16 14:57:15,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 14:57:15,011 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 14:57:15,030 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-16 14:57:15,031 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-16 14:57:15,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 14:57:15,076 INFO L208 MainTranslator]: Completed translation [2021-06-16 14:57:15,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15 WrapperNode [2021-06-16 14:57:15,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 14:57:15,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 14:57:15,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 14:57:15,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 14:57:15,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 14:57:15,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 14:57:15,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 14:57:15,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 14:57:15,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (1/1) ... [2021-06-16 14:57:15,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 14:57:15,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 14:57:15,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 14:57:15,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 14:57:15,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (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 [2021-06-16 14:57:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-06-16 14:57:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-06-16 14:57:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-06-16 14:57:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 14:57:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 14:57:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 14:57:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 14:57:15,186 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 14:57:15,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 14:57:15,967 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 14:57:15,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 02:57:15 BoogieIcfgContainer [2021-06-16 14:57:15,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 14:57:15,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 14:57:15,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 14:57:15,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 14:57:15,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 02:57:14" (1/3) ... [2021-06-16 14:57:15,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cadc8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 02:57:15, skipping insertion in model container [2021-06-16 14:57:15,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:57:15" (2/3) ... [2021-06-16 14:57:15,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cadc8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 02:57:15, skipping insertion in model container [2021-06-16 14:57:15,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 02:57:15" (3/3) ... [2021-06-16 14:57:15,973 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2021-06-16 14:57:15,977 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 14:57:15,978 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 14:57:15,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 14:57:15,978 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 14:57:16,007 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,010 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,010 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,017 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,017 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,022 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,022 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,022 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,039 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,049 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,066 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:57:16,081 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-16 14:57:16,096 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 14:57:16,120 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 14:57:16,121 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 14:57:16,121 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 14:57:16,121 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 14:57:16,121 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 14:57:16,121 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 14:57:16,121 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 14:57:16,121 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == qrcu_updater======== [2021-06-16 14:57:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 102799 states have (on average 1.4598585589353983) internal successors, (150072), 107258 states have internal predecessors, (150072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:24,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 14:57:24,833 INFO L301 ceAbstractionStarter]: Result for error location qrcu_updater was SAFE (1/3) [2021-06-16 14:57:24,835 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-16 14:57:24,841 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 14:57:24,841 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 14:57:24,841 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 14:57:24,841 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 14:57:24,841 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 14:57:24,841 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 14:57:24,841 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 14:57:24,841 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 14:57:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 102799 states have (on average 1.4598585589353983) internal successors, (150072), 107258 states have internal predecessors, (150072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:32,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 14:57:32,324 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-16 14:57:32,324 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 14:57:32,325 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 14:57:32,325 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 14:57:32,325 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 14:57:32,325 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 14:57:32,325 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 14:57:32,325 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 14:57:32,325 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 14:57:32,326 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == qrcu_updaterThread1of1ForFork0======== [2021-06-16 14:57:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 102799 states have (on average 1.4598585589353983) internal successors, (150072), 107258 states have internal predecessors, (150072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-16 14:57:40,081 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:40,082 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:40,082 INFO L430 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:40,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1400416887, now seen corresponding path program 1 times [2021-06-16 14:57:40,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:40,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958444370] [2021-06-16 14:57:40,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-16 14:57:40,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:40,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:40,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958444370] [2021-06-16 14:57:40,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958444370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:40,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:40,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 14:57:40,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32793196] [2021-06-16 14:57:40,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 14:57:40,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:40,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 14:57:40,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:57:40,402 INFO L87 Difference]: Start difference. First operand has 107259 states, 102799 states have (on average 1.4598585589353983) internal successors, (150072), 107258 states have internal predecessors, (150072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:41,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:41,333 INFO L93 Difference]: Finished difference Result 136158 states and 175644 transitions. [2021-06-16 14:57:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 14:57:41,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-16 14:57:41,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:41,583 INFO L225 Difference]: With dead ends: 136158 [2021-06-16 14:57:41,583 INFO L226 Difference]: Without dead ends: 103318 [2021-06-16 14:57:41,584 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:57:43,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103318 states. [2021-06-16 14:57:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103318 to 91257. [2021-06-16 14:57:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91257 states, 88697 states have (on average 1.4708051005107274) internal successors, (130456), 91256 states have internal predecessors, (130456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91257 states to 91257 states and 130456 transitions. [2021-06-16 14:57:45,154 INFO L78 Accepts]: Start accepts. Automaton has 91257 states and 130456 transitions. Word has length 55 [2021-06-16 14:57:45,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:57:45,154 INFO L482 AbstractCegarLoop]: Abstraction has 91257 states and 130456 transitions. [2021-06-16 14:57:45,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 91257 states and 130456 transitions. [2021-06-16 14:57:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-16 14:57:45,186 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:45,186 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:45,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 14:57:45,187 INFO L430 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:45,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:45,187 INFO L82 PathProgramCache]: Analyzing trace with hash 566486812, now seen corresponding path program 1 times [2021-06-16 14:57:45,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:45,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377463345] [2021-06-16 14:57:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:45,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:45,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:45,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377463345] [2021-06-16 14:57:45,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377463345] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:45,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:45,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 14:57:45,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820242450] [2021-06-16 14:57:45,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 14:57:45,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:45,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 14:57:45,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:57:45,291 INFO L87 Difference]: Start difference. First operand 91257 states and 130456 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:45,900 INFO L93 Difference]: Finished difference Result 90012 states and 129196 transitions. [2021-06-16 14:57:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 14:57:45,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-06-16 14:57:45,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:46,031 INFO L225 Difference]: With dead ends: 90012 [2021-06-16 14:57:46,032 INFO L226 Difference]: Without dead ends: 90012 [2021-06-16 14:57:46,032 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:57:48,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90012 states. [2021-06-16 14:57:48,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90012 to 90012. [2021-06-16 14:57:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90012 states, 88652 states have (on average 1.457338807923115) internal successors, (129196), 90011 states have internal predecessors, (129196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90012 states to 90012 states and 129196 transitions. [2021-06-16 14:57:49,117 INFO L78 Accepts]: Start accepts. Automaton has 90012 states and 129196 transitions. Word has length 60 [2021-06-16 14:57:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:57:49,117 INFO L482 AbstractCegarLoop]: Abstraction has 90012 states and 129196 transitions. [2021-06-16 14:57:49,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90012 states and 129196 transitions. [2021-06-16 14:57:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-16 14:57:49,137 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:49,137 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:49,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 14:57:49,137 INFO L430 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:49,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1282967431, now seen corresponding path program 1 times [2021-06-16 14:57:49,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:49,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910501947] [2021-06-16 14:57:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:49,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:49,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:49,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:49,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:49,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:49,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910501947] [2021-06-16 14:57:49,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910501947] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:49,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:49,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 14:57:49,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184613588] [2021-06-16 14:57:49,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 14:57:49,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:49,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 14:57:49,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-16 14:57:49,230 INFO L87 Difference]: Start difference. First operand 90012 states and 129196 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:49,781 INFO L93 Difference]: Finished difference Result 110410 states and 163272 transitions. [2021-06-16 14:57:49,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 14:57:49,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-06-16 14:57:49,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:49,897 INFO L225 Difference]: With dead ends: 110410 [2021-06-16 14:57:49,898 INFO L226 Difference]: Without dead ends: 87423 [2021-06-16 14:57:49,899 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:57:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87423 states. [2021-06-16 14:57:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87423 to 86460. [2021-06-16 14:57:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86460 states, 86300 states have (on average 1.5023406720741599) internal successors, (129652), 86459 states have internal predecessors, (129652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86460 states to 86460 states and 129652 transitions. [2021-06-16 14:57:52,179 INFO L78 Accepts]: Start accepts. Automaton has 86460 states and 129652 transitions. Word has length 63 [2021-06-16 14:57:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:57:52,180 INFO L482 AbstractCegarLoop]: Abstraction has 86460 states and 129652 transitions. [2021-06-16 14:57:52,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 86460 states and 129652 transitions. [2021-06-16 14:57:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-16 14:57:52,253 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:52,253 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:52,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 14:57:52,253 INFO L430 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:52,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1790592943, now seen corresponding path program 1 times [2021-06-16 14:57:52,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:52,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764748461] [2021-06-16 14:57:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:52,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:52,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 14:57:52,384 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:57:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:52,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:57:52,424 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-16 14:57:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:52,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:52,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764748461] [2021-06-16 14:57:52,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764748461] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:52,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:52,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 14:57:52,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752180431] [2021-06-16 14:57:52,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 14:57:52,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:52,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 14:57:52,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-16 14:57:52,429 INFO L87 Difference]: Start difference. First operand 86460 states and 129652 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:53,257 INFO L93 Difference]: Finished difference Result 92524 states and 139358 transitions. [2021-06-16 14:57:53,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 14:57:53,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-16 14:57:53,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:53,379 INFO L225 Difference]: With dead ends: 92524 [2021-06-16 14:57:53,380 INFO L226 Difference]: Without dead ends: 92520 [2021-06-16 14:57:53,380 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:57:54,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92520 states. [2021-06-16 14:57:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92520 to 87804. [2021-06-16 14:57:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87804 states, 87644 states have (on average 1.5024188763634705) internal successors, (131678), 87803 states have internal predecessors, (131678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87804 states to 87804 states and 131678 transitions. [2021-06-16 14:57:55,821 INFO L78 Accepts]: Start accepts. Automaton has 87804 states and 131678 transitions. Word has length 69 [2021-06-16 14:57:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:57:55,822 INFO L482 AbstractCegarLoop]: Abstraction has 87804 states and 131678 transitions. [2021-06-16 14:57:55,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 87804 states and 131678 transitions. [2021-06-16 14:57:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-16 14:57:55,862 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:55,862 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:55,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 14:57:55,862 INFO L430 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:55,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:55,862 INFO L82 PathProgramCache]: Analyzing trace with hash 549893935, now seen corresponding path program 1 times [2021-06-16 14:57:55,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:55,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148422969] [2021-06-16 14:57:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 14:57:55,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:57:55,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:55,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:55,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:55,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:55,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148422969] [2021-06-16 14:57:55,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148422969] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:55,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:55,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 14:57:55,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270844979] [2021-06-16 14:57:55,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 14:57:55,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:55,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 14:57:55,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 14:57:55,937 INFO L87 Difference]: Start difference. First operand 87804 states and 131678 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:56,304 INFO L93 Difference]: Finished difference Result 95462 states and 143149 transitions. [2021-06-16 14:57:56,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 14:57:56,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-16 14:57:56,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:56,411 INFO L225 Difference]: With dead ends: 95462 [2021-06-16 14:57:56,411 INFO L226 Difference]: Without dead ends: 95462 [2021-06-16 14:57:56,412 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-16 14:57:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95462 states. [2021-06-16 14:57:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95462 to 86983. [2021-06-16 14:57:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86983 states, 86823 states have (on average 1.4990613086394158) internal successors, (130153), 86982 states have internal predecessors, (130153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86983 states to 86983 states and 130153 transitions. [2021-06-16 14:57:58,903 INFO L78 Accepts]: Start accepts. Automaton has 86983 states and 130153 transitions. Word has length 69 [2021-06-16 14:57:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:57:58,903 INFO L482 AbstractCegarLoop]: Abstraction has 86983 states and 130153 transitions. [2021-06-16 14:57:58,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 86983 states and 130153 transitions. [2021-06-16 14:57:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-16 14:57:58,937 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:57:58,937 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:57:58,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 14:57:58,938 INFO L430 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:57:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:57:58,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1294560337, now seen corresponding path program 2 times [2021-06-16 14:57:58,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:57:58,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422897493] [2021-06-16 14:57:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:57:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:57:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:57:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:57:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-16 14:57:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:57:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:57:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:57:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:57:58,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:57:58,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422897493] [2021-06-16 14:57:58,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422897493] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:57:58,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:57:58,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 14:57:58,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841283896] [2021-06-16 14:57:58,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 14:57:58,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:57:58,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 14:57:58,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-16 14:57:58,994 INFO L87 Difference]: Start difference. First operand 86983 states and 130153 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:57:59,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:57:59,570 INFO L93 Difference]: Finished difference Result 112268 states and 173026 transitions. [2021-06-16 14:57:59,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 14:57:59,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-16 14:57:59,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:57:59,628 INFO L225 Difference]: With dead ends: 112268 [2021-06-16 14:57:59,628 INFO L226 Difference]: Without dead ends: 51715 [2021-06-16 14:57:59,628 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-16 14:57:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51715 states. [2021-06-16 14:58:00,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51715 to 51183. [2021-06-16 14:58:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51183 states, 51023 states have (on average 1.6322442819904748) internal successors, (83282), 51182 states have internal predecessors, (83282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51183 states to 51183 states and 83282 transitions. [2021-06-16 14:58:00,633 INFO L78 Accepts]: Start accepts. Automaton has 51183 states and 83282 transitions. Word has length 69 [2021-06-16 14:58:00,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:00,633 INFO L482 AbstractCegarLoop]: Abstraction has 51183 states and 83282 transitions. [2021-06-16 14:58:00,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 51183 states and 83282 transitions. [2021-06-16 14:58:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-16 14:58:00,806 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:00,807 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:00,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 14:58:00,807 INFO L430 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:00,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:00,807 INFO L82 PathProgramCache]: Analyzing trace with hash 518617607, now seen corresponding path program 1 times [2021-06-16 14:58:00,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:00,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120439152] [2021-06-16 14:58:00,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:00,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:00,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:00,856 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:00,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:00,859 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:00,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:00,865 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:00,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:00,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:00,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:00,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:00,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:58:00,916 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-16 14:58:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:00,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:00,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:00,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120439152] [2021-06-16 14:58:00,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120439152] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:00,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:00,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-16 14:58:00,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017025946] [2021-06-16 14:58:00,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 14:58:00,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:00,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 14:58:00,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-16 14:58:00,919 INFO L87 Difference]: Start difference. First operand 51183 states and 83282 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:01,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:01,185 INFO L93 Difference]: Finished difference Result 50762 states and 78106 transitions. [2021-06-16 14:58:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 14:58:01,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-16 14:58:01,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:01,249 INFO L225 Difference]: With dead ends: 50762 [2021-06-16 14:58:01,249 INFO L226 Difference]: Without dead ends: 50762 [2021-06-16 14:58:01,250 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 78.2ms TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-16 14:58:01,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50762 states. [2021-06-16 14:58:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50762 to 44108. [2021-06-16 14:58:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44108 states, 43948 states have (on average 1.579958132338218) internal successors, (69436), 44107 states have internal predecessors, (69436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44108 states to 44108 states and 69436 transitions. [2021-06-16 14:58:02,023 INFO L78 Accepts]: Start accepts. Automaton has 44108 states and 69436 transitions. Word has length 71 [2021-06-16 14:58:02,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:02,023 INFO L482 AbstractCegarLoop]: Abstraction has 44108 states and 69436 transitions. [2021-06-16 14:58:02,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 44108 states and 69436 transitions. [2021-06-16 14:58:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-16 14:58:02,037 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:02,037 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:02,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 14:58:02,037 INFO L430 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:02,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:02,037 INFO L82 PathProgramCache]: Analyzing trace with hash -347774811, now seen corresponding path program 1 times [2021-06-16 14:58:02,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:02,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534850663] [2021-06-16 14:58:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:02,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:02,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:02,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:02,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534850663] [2021-06-16 14:58:02,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534850663] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:02,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:02,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 14:58:02,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271753041] [2021-06-16 14:58:02,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 14:58:02,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:02,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 14:58:02,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:58:02,094 INFO L87 Difference]: Start difference. First operand 44108 states and 69436 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:02,350 INFO L93 Difference]: Finished difference Result 44108 states and 69001 transitions. [2021-06-16 14:58:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 14:58:02,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-16 14:58:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:02,380 INFO L225 Difference]: With dead ends: 44108 [2021-06-16 14:58:02,380 INFO L226 Difference]: Without dead ends: 28657 [2021-06-16 14:58:02,380 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:58:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28657 states. [2021-06-16 14:58:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28657 to 24713. [2021-06-16 14:58:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24713 states, 24553 states have (on average 1.5003054616543803) internal successors, (36837), 24712 states have internal predecessors, (36837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24713 states to 24713 states and 36837 transitions. [2021-06-16 14:58:02,712 INFO L78 Accepts]: Start accepts. Automaton has 24713 states and 36837 transitions. Word has length 71 [2021-06-16 14:58:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:02,712 INFO L482 AbstractCegarLoop]: Abstraction has 24713 states and 36837 transitions. [2021-06-16 14:58:02,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 24713 states and 36837 transitions. [2021-06-16 14:58:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-16 14:58:02,724 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:02,724 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:02,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 14:58:02,724 INFO L430 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash 377373937, now seen corresponding path program 1 times [2021-06-16 14:58:02,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:02,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654093512] [2021-06-16 14:58:02,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:02,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:02,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654093512] [2021-06-16 14:58:02,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654093512] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:02,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:02,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 14:58:02,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891516535] [2021-06-16 14:58:02,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 14:58:02,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:02,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 14:58:02,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-16 14:58:02,762 INFO L87 Difference]: Start difference. First operand 24713 states and 36837 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:03,011 INFO L93 Difference]: Finished difference Result 40222 states and 60886 transitions. [2021-06-16 14:58:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 14:58:03,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-16 14:58:03,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:03,018 INFO L225 Difference]: With dead ends: 40222 [2021-06-16 14:58:03,018 INFO L226 Difference]: Without dead ends: 8740 [2021-06-16 14:58:03,018 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-16 14:58:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8740 states. [2021-06-16 14:58:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8740 to 7327. [2021-06-16 14:58:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7327 states, 7167 states have (on average 1.2535230919492117) internal successors, (8984), 7326 states have internal predecessors, (8984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 8984 transitions. [2021-06-16 14:58:03,105 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 8984 transitions. Word has length 74 [2021-06-16 14:58:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:03,105 INFO L482 AbstractCegarLoop]: Abstraction has 7327 states and 8984 transitions. [2021-06-16 14:58:03,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 8984 transitions. [2021-06-16 14:58:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-16 14:58:03,108 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:03,108 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:03,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 14:58:03,108 INFO L430 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:03,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:03,109 INFO L82 PathProgramCache]: Analyzing trace with hash 686026002, now seen corresponding path program 1 times [2021-06-16 14:58:03,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:03,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691117033] [2021-06-16 14:58:03,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 14:58:03,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:03,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:03,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691117033] [2021-06-16 14:58:03,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691117033] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:03,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:03,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 14:58:03,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322589516] [2021-06-16 14:58:03,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 14:58:03,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:03,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 14:58:03,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:58:03,131 INFO L87 Difference]: Start difference. First operand 7327 states and 8984 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:03,147 INFO L93 Difference]: Finished difference Result 7436 states and 8728 transitions. [2021-06-16 14:58:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 14:58:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-16 14:58:03,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:03,152 INFO L225 Difference]: With dead ends: 7436 [2021-06-16 14:58:03,152 INFO L226 Difference]: Without dead ends: 7436 [2021-06-16 14:58:03,152 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:58:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2021-06-16 14:58:03,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7157. [2021-06-16 14:58:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7157 states, 6997 states have (on average 1.2085179362583964) internal successors, (8456), 7156 states have internal predecessors, (8456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 8456 transitions. [2021-06-16 14:58:03,237 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 8456 transitions. Word has length 77 [2021-06-16 14:58:03,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:03,237 INFO L482 AbstractCegarLoop]: Abstraction has 7157 states and 8456 transitions. [2021-06-16 14:58:03,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 8456 transitions. [2021-06-16 14:58:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-16 14:58:03,241 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:03,241 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:03,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-16 14:58:03,242 INFO L430 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:03,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:03,242 INFO L82 PathProgramCache]: Analyzing trace with hash 687038896, now seen corresponding path program 1 times [2021-06-16 14:58:03,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:03,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083157870] [2021-06-16 14:58:03,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:03,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:03,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:03,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083157870] [2021-06-16 14:58:03,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083157870] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:03,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:03,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-16 14:58:03,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083464591] [2021-06-16 14:58:03,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 14:58:03,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 14:58:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-16 14:58:03,278 INFO L87 Difference]: Start difference. First operand 7157 states and 8456 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:03,338 INFO L93 Difference]: Finished difference Result 6567 states and 8158 transitions. [2021-06-16 14:58:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 14:58:03,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-16 14:58:03,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:03,343 INFO L225 Difference]: With dead ends: 6567 [2021-06-16 14:58:03,343 INFO L226 Difference]: Without dead ends: 5433 [2021-06-16 14:58:03,343 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-16 14:58:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5433 states. [2021-06-16 14:58:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5433 to 4857. [2021-06-16 14:58:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4857 states, 4833 states have (on average 1.2331884957583281) internal successors, (5960), 4856 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 5960 transitions. [2021-06-16 14:58:03,391 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 5960 transitions. Word has length 77 [2021-06-16 14:58:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:03,391 INFO L482 AbstractCegarLoop]: Abstraction has 4857 states and 5960 transitions. [2021-06-16 14:58:03,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 5960 transitions. [2021-06-16 14:58:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-16 14:58:03,395 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:03,395 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:03,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-16 14:58:03,395 INFO L430 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash 794086413, now seen corresponding path program 1 times [2021-06-16 14:58:03,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:03,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156438777] [2021-06-16 14:58:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:03,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,443 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:03,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:03,447 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:03,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:03,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:58:03,485 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-16 14:58:03,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:03,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:03,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156438777] [2021-06-16 14:58:03,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156438777] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:03,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:03,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-16 14:58:03,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561496123] [2021-06-16 14:58:03,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 14:58:03,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 14:58:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-16 14:58:03,487 INFO L87 Difference]: Start difference. First operand 4857 states and 5960 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:03,667 INFO L93 Difference]: Finished difference Result 5685 states and 6944 transitions. [2021-06-16 14:58:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 14:58:03,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-16 14:58:03,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:03,671 INFO L225 Difference]: With dead ends: 5685 [2021-06-16 14:58:03,671 INFO L226 Difference]: Without dead ends: 5685 [2021-06-16 14:58:03,671 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 63.3ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-16 14:58:03,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5685 states. [2021-06-16 14:58:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5685 to 4872. [2021-06-16 14:58:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4872 states, 4848 states have (on average 1.2343234323432344) internal successors, (5984), 4871 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 5984 transitions. [2021-06-16 14:58:03,713 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 5984 transitions. Word has length 80 [2021-06-16 14:58:03,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:03,713 INFO L482 AbstractCegarLoop]: Abstraction has 4872 states and 5984 transitions. [2021-06-16 14:58:03,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5984 transitions. [2021-06-16 14:58:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-16 14:58:03,716 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:03,716 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:03,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-16 14:58:03,716 INFO L430 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:03,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:03,717 INFO L82 PathProgramCache]: Analyzing trace with hash 699699685, now seen corresponding path program 1 times [2021-06-16 14:58:03,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:03,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786525645] [2021-06-16 14:58:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,748 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:03,753 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:03,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:03,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:03,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:03,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:03,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786525645] [2021-06-16 14:58:03,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786525645] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:03,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:03,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-16 14:58:03,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676279351] [2021-06-16 14:58:03,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 14:58:03,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:03,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 14:58:03,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-16 14:58:03,801 INFO L87 Difference]: Start difference. First operand 4872 states and 5984 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:04,077 INFO L93 Difference]: Finished difference Result 5214 states and 6341 transitions. [2021-06-16 14:58:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 14:58:04,077 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-16 14:58:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:04,081 INFO L225 Difference]: With dead ends: 5214 [2021-06-16 14:58:04,081 INFO L226 Difference]: Without dead ends: 5214 [2021-06-16 14:58:04,081 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 142.7ms TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2021-06-16 14:58:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-06-16 14:58:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 4722. [2021-06-16 14:58:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4722 states, 4698 states have (on average 1.224563644103874) internal successors, (5753), 4721 states have internal predecessors, (5753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4722 states to 4722 states and 5753 transitions. [2021-06-16 14:58:04,121 INFO L78 Accepts]: Start accepts. Automaton has 4722 states and 5753 transitions. Word has length 80 [2021-06-16 14:58:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:04,121 INFO L482 AbstractCegarLoop]: Abstraction has 4722 states and 5753 transitions. [2021-06-16 14:58:04,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4722 states and 5753 transitions. [2021-06-16 14:58:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-16 14:58:04,124 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:04,124 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:04,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-16 14:58:04,125 INFO L430 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:04,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:04,125 INFO L82 PathProgramCache]: Analyzing trace with hash 195489324, now seen corresponding path program 1 times [2021-06-16 14:58:04,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:04,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163901096] [2021-06-16 14:58:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:04,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:04,157 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:04,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,161 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,166 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:58:04,205 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-16 14:58:04,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:04,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:04,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163901096] [2021-06-16 14:58:04,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163901096] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:04,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:04,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-16 14:58:04,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351066537] [2021-06-16 14:58:04,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 14:58:04,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:04,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 14:58:04,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-16 14:58:04,209 INFO L87 Difference]: Start difference. First operand 4722 states and 5753 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:04,418 INFO L93 Difference]: Finished difference Result 5815 states and 7101 transitions. [2021-06-16 14:58:04,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 14:58:04,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-16 14:58:04,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:04,422 INFO L225 Difference]: With dead ends: 5815 [2021-06-16 14:58:04,422 INFO L226 Difference]: Without dead ends: 5815 [2021-06-16 14:58:04,423 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 90.6ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-16 14:58:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5815 states. [2021-06-16 14:58:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5815 to 4998. [2021-06-16 14:58:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 4974 states have (on average 1.2320064334539607) internal successors, (6128), 4997 states have internal predecessors, (6128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 6128 transitions. [2021-06-16 14:58:04,468 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 6128 transitions. Word has length 83 [2021-06-16 14:58:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:04,468 INFO L482 AbstractCegarLoop]: Abstraction has 4998 states and 6128 transitions. [2021-06-16 14:58:04,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 6128 transitions. [2021-06-16 14:58:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-16 14:58:04,472 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:04,472 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:04,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-16 14:58:04,472 INFO L430 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1019891372, now seen corresponding path program 1 times [2021-06-16 14:58:04,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:04,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447571502] [2021-06-16 14:58:04,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:04,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:04,509 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:04,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,513 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,520 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:04,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:04,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447571502] [2021-06-16 14:58:04,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447571502] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:04,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:04,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-16 14:58:04,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753334787] [2021-06-16 14:58:04,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 14:58:04,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:04,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 14:58:04,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-16 14:58:04,571 INFO L87 Difference]: Start difference. First operand 4998 states and 6128 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:04,841 INFO L93 Difference]: Finished difference Result 5428 states and 6586 transitions. [2021-06-16 14:58:04,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 14:58:04,841 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-16 14:58:04,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:04,845 INFO L225 Difference]: With dead ends: 5428 [2021-06-16 14:58:04,845 INFO L226 Difference]: Without dead ends: 5428 [2021-06-16 14:58:04,846 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 143.4ms TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2021-06-16 14:58:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5428 states. [2021-06-16 14:58:04,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5428 to 4893. [2021-06-16 14:58:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4893 states, 4869 states have (on average 1.2253029369480386) internal successors, (5966), 4892 states have internal predecessors, (5966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4893 states to 4893 states and 5966 transitions. [2021-06-16 14:58:04,892 INFO L78 Accepts]: Start accepts. Automaton has 4893 states and 5966 transitions. Word has length 83 [2021-06-16 14:58:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:04,892 INFO L482 AbstractCegarLoop]: Abstraction has 4893 states and 5966 transitions. [2021-06-16 14:58:04,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 5966 transitions. [2021-06-16 14:58:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-16 14:58:04,895 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:04,896 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:04,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-16 14:58:04,896 INFO L430 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:04,896 INFO L82 PathProgramCache]: Analyzing trace with hash -183507744, now seen corresponding path program 2 times [2021-06-16 14:58:04,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:04,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303757217] [2021-06-16 14:58:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:04,944 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:04,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,948 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,952 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:04,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:04,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 14:58:04,987 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-16 14:58:04,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:04,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:04,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:04,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303757217] [2021-06-16 14:58:04,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303757217] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:04,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:04,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-16 14:58:04,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856927823] [2021-06-16 14:58:04,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 14:58:04,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:04,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 14:58:04,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-16 14:58:04,990 INFO L87 Difference]: Start difference. First operand 4893 states and 5966 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:05,166 INFO L93 Difference]: Finished difference Result 5545 states and 6731 transitions. [2021-06-16 14:58:05,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 14:58:05,167 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-16 14:58:05,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:05,171 INFO L225 Difference]: With dead ends: 5545 [2021-06-16 14:58:05,171 INFO L226 Difference]: Without dead ends: 5539 [2021-06-16 14:58:05,173 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 81.1ms TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-06-16 14:58:05,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5539 states. [2021-06-16 14:58:05,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5539 to 4842. [2021-06-16 14:58:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4842 states, 4818 states have (on average 1.2247820672478207) internal successors, (5901), 4841 states have internal predecessors, (5901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4842 states to 4842 states and 5901 transitions. [2021-06-16 14:58:05,221 INFO L78 Accepts]: Start accepts. Automaton has 4842 states and 5901 transitions. Word has length 83 [2021-06-16 14:58:05,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:05,221 INFO L482 AbstractCegarLoop]: Abstraction has 4842 states and 5901 transitions. [2021-06-16 14:58:05,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4842 states and 5901 transitions. [2021-06-16 14:58:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-16 14:58:05,225 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:05,225 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:05,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-16 14:58:05,225 INFO L430 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:05,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:05,226 INFO L82 PathProgramCache]: Analyzing trace with hash 640894304, now seen corresponding path program 2 times [2021-06-16 14:58:05,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:05,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700082224] [2021-06-16 14:58:05,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:05,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,271 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-06-16 14:58:05,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,275 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:05,281 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-16 14:58:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 14:58:05,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:05,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:05,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700082224] [2021-06-16 14:58:05,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700082224] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:05,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:05,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-16 14:58:05,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964703600] [2021-06-16 14:58:05,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 14:58:05,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:05,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 14:58:05,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-16 14:58:05,319 INFO L87 Difference]: Start difference. First operand 4842 states and 5901 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:05,521 INFO L93 Difference]: Finished difference Result 5125 states and 6210 transitions. [2021-06-16 14:58:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 14:58:05,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-16 14:58:05,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:05,525 INFO L225 Difference]: With dead ends: 5125 [2021-06-16 14:58:05,525 INFO L226 Difference]: Without dead ends: 5125 [2021-06-16 14:58:05,526 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 116.9ms TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-16 14:58:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2021-06-16 14:58:05,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 4536. [2021-06-16 14:58:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 4512 states have (on average 1.2112145390070923) internal successors, (5465), 4535 states have internal predecessors, (5465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 5465 transitions. [2021-06-16 14:58:05,568 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 5465 transitions. Word has length 83 [2021-06-16 14:58:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:05,568 INFO L482 AbstractCegarLoop]: Abstraction has 4536 states and 5465 transitions. [2021-06-16 14:58:05,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 5465 transitions. [2021-06-16 14:58:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-16 14:58:05,571 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:05,572 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:05,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-16 14:58:05,572 INFO L430 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:05,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:05,572 INFO L82 PathProgramCache]: Analyzing trace with hash 261514870, now seen corresponding path program 1 times [2021-06-16 14:58:05,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:05,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634512088] [2021-06-16 14:58:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:05,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:05,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:05,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634512088] [2021-06-16 14:58:05,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634512088] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:05,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:05,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 14:58:05,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963523033] [2021-06-16 14:58:05,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 14:58:05,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:05,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 14:58:05,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 14:58:05,608 INFO L87 Difference]: Start difference. First operand 4536 states and 5465 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:05,642 INFO L93 Difference]: Finished difference Result 4843 states and 5841 transitions. [2021-06-16 14:58:05,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 14:58:05,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-16 14:58:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:05,645 INFO L225 Difference]: With dead ends: 4843 [2021-06-16 14:58:05,645 INFO L226 Difference]: Without dead ends: 4827 [2021-06-16 14:58:05,646 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 14:58:05,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2021-06-16 14:58:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4544. [2021-06-16 14:58:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4544 states, 4520 states have (on average 1.2108407079646017) internal successors, (5473), 4543 states have internal predecessors, (5473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 5473 transitions. [2021-06-16 14:58:05,683 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 5473 transitions. Word has length 88 [2021-06-16 14:58:05,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:05,684 INFO L482 AbstractCegarLoop]: Abstraction has 4544 states and 5473 transitions. [2021-06-16 14:58:05,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 5473 transitions. [2021-06-16 14:58:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-16 14:58:05,687 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:05,687 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:05,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-16 14:58:05,687 INFO L430 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:05,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:05,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1381737604, now seen corresponding path program 2 times [2021-06-16 14:58:05,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:05,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804540869] [2021-06-16 14:58:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:05,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:05,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:05,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804540869] [2021-06-16 14:58:05,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804540869] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:05,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:05,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 14:58:05,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166014900] [2021-06-16 14:58:05,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 14:58:05,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:05,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 14:58:05,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:58:05,737 INFO L87 Difference]: Start difference. First operand 4544 states and 5473 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:05,841 INFO L93 Difference]: Finished difference Result 4964 states and 5976 transitions. [2021-06-16 14:58:05,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 14:58:05,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-16 14:58:05,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:05,845 INFO L225 Difference]: With dead ends: 4964 [2021-06-16 14:58:05,845 INFO L226 Difference]: Without dead ends: 3865 [2021-06-16 14:58:05,845 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-16 14:58:05,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2021-06-16 14:58:05,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3504. [2021-06-16 14:58:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3504 states, 3480 states have (on average 1.1732758620689656) internal successors, (4083), 3503 states have internal predecessors, (4083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 3504 states and 4083 transitions. [2021-06-16 14:58:05,876 INFO L78 Accepts]: Start accepts. Automaton has 3504 states and 4083 transitions. Word has length 88 [2021-06-16 14:58:05,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:05,876 INFO L482 AbstractCegarLoop]: Abstraction has 3504 states and 4083 transitions. [2021-06-16 14:58:05,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3504 states and 4083 transitions. [2021-06-16 14:58:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-16 14:58:05,879 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:05,879 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:05,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-16 14:58:05,879 INFO L430 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:05,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:05,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1757706645, now seen corresponding path program 1 times [2021-06-16 14:58:05,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:05,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811323964] [2021-06-16 14:58:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:05,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:05,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:05,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:05,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:05,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:05,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811323964] [2021-06-16 14:58:05,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811323964] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:05,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:05,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 14:58:05,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769191884] [2021-06-16 14:58:05,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 14:58:05,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:05,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 14:58:05,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:58:05,933 INFO L87 Difference]: Start difference. First operand 3504 states and 4083 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:06,013 INFO L93 Difference]: Finished difference Result 4003 states and 4714 transitions. [2021-06-16 14:58:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 14:58:06,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-16 14:58:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:06,016 INFO L225 Difference]: With dead ends: 4003 [2021-06-16 14:58:06,016 INFO L226 Difference]: Without dead ends: 2705 [2021-06-16 14:58:06,016 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 41.7ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-06-16 14:58:06,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2021-06-16 14:58:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2369. [2021-06-16 14:58:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2345 states have (on average 1.140724946695096) internal successors, (2675), 2368 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 2675 transitions. [2021-06-16 14:58:06,037 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 2675 transitions. Word has length 91 [2021-06-16 14:58:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:06,037 INFO L482 AbstractCegarLoop]: Abstraction has 2369 states and 2675 transitions. [2021-06-16 14:58:06,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2675 transitions. [2021-06-16 14:58:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-16 14:58:06,039 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:06,039 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:06,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-16 14:58:06,039 INFO L430 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:06,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:06,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1898890084, now seen corresponding path program 1 times [2021-06-16 14:58:06,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:06,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755680797] [2021-06-16 14:58:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:06,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:06,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:06,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755680797] [2021-06-16 14:58:06,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755680797] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:06,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:06,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 14:58:06,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515047432] [2021-06-16 14:58:06,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 14:58:06,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 14:58:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:58:06,092 INFO L87 Difference]: Start difference. First operand 2369 states and 2675 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:06,148 INFO L93 Difference]: Finished difference Result 2249 states and 2546 transitions. [2021-06-16 14:58:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 14:58:06,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-16 14:58:06,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:06,150 INFO L225 Difference]: With dead ends: 2249 [2021-06-16 14:58:06,150 INFO L226 Difference]: Without dead ends: 1303 [2021-06-16 14:58:06,150 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 41.5ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-16 14:58:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2021-06-16 14:58:06,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1303. [2021-06-16 14:58:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1291 states have (on average 1.1363284275755228) internal successors, (1467), 1302 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1467 transitions. [2021-06-16 14:58:06,159 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1467 transitions. Word has length 91 [2021-06-16 14:58:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:06,159 INFO L482 AbstractCegarLoop]: Abstraction has 1303 states and 1467 transitions. [2021-06-16 14:58:06,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1467 transitions. [2021-06-16 14:58:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-16 14:58:06,160 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:06,160 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:06,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-16 14:58:06,160 INFO L430 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:06,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:06,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1942921963, now seen corresponding path program 2 times [2021-06-16 14:58:06,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:06,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19636702] [2021-06-16 14:58:06,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:06,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:06,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19636702] [2021-06-16 14:58:06,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19636702] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:06,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:06,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 14:58:06,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22491168] [2021-06-16 14:58:06,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 14:58:06,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:06,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 14:58:06,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 14:58:06,185 INFO L87 Difference]: Start difference. First operand 1303 states and 1467 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:06,197 INFO L93 Difference]: Finished difference Result 1315 states and 1467 transitions. [2021-06-16 14:58:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 14:58:06,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-16 14:58:06,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:06,198 INFO L225 Difference]: With dead ends: 1315 [2021-06-16 14:58:06,198 INFO L226 Difference]: Without dead ends: 1299 [2021-06-16 14:58:06,198 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 14:58:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2021-06-16 14:58:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1287. [2021-06-16 14:58:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1275 states have (on average 1.1286274509803922) internal successors, (1439), 1286 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1439 transitions. [2021-06-16 14:58:06,207 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1439 transitions. Word has length 91 [2021-06-16 14:58:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:06,207 INFO L482 AbstractCegarLoop]: Abstraction has 1287 states and 1439 transitions. [2021-06-16 14:58:06,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1439 transitions. [2021-06-16 14:58:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-06-16 14:58:06,209 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:58:06,209 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 14:58:06,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-16 14:58:06,209 INFO L430 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:58:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:58:06,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1099211060, now seen corresponding path program 1 times [2021-06-16 14:58:06,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:58:06,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841480101] [2021-06-16 14:58:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:58:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:58:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:58:06,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 14:58:06,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:58:06,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:58:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:58:06,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:58:06,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841480101] [2021-06-16 14:58:06,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841480101] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:58:06,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:58:06,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 14:58:06,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455218302] [2021-06-16 14:58:06,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 14:58:06,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:58:06,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 14:58:06,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:58:06,280 INFO L87 Difference]: Start difference. First operand 1287 states and 1439 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:58:06,319 INFO L93 Difference]: Finished difference Result 1122 states and 1262 transitions. [2021-06-16 14:58:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 14:58:06,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-06-16 14:58:06,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:58:06,319 INFO L225 Difference]: With dead ends: 1122 [2021-06-16 14:58:06,319 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 14:58:06,319 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 37.4ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-16 14:58:06,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 14:58:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 14:58:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 14:58:06,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2021-06-16 14:58:06,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:58:06,320 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 14:58:06,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 14:58:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 14:58:06,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 14:58:06,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-16 14:58:06,320 INFO L301 ceAbstractionStarter]: Result for error location qrcu_updaterThread1of1ForFork0 was SAFE (3/3) [2021-06-16 14:58:06,321 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 14:58:06,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 02:58:06 BasicIcfg [2021-06-16 14:58:06,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 14:58:06,324 INFO L168 Benchmark]: Toolchain (without parser) took 51619.81 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 145.0 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,324 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 182.5 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 14:58:06,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.49 ms. Allocated memory is still 182.5 MB. Free memory was 144.8 MB in the beginning and 141.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 182.5 MB. Free memory was 141.8 MB in the beginning and 138.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,325 INFO L168 Benchmark]: Boogie Preprocessor took 18.94 ms. Allocated memory is still 182.5 MB. Free memory was 138.6 MB in the beginning and 137.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,325 INFO L168 Benchmark]: RCFGBuilder took 842.42 ms. Allocated memory is still 182.5 MB. Free memory was 137.1 MB in the beginning and 136.6 MB in the end (delta: 424.6 kB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,325 INFO L168 Benchmark]: TraceAbstraction took 50354.08 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 136.1 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-06-16 14:58:06,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 182.5 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 368.49 ms. Allocated memory is still 182.5 MB. Free memory was 144.8 MB in the beginning and 141.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 182.5 MB. Free memory was 141.8 MB in the beginning and 138.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.94 ms. Allocated memory is still 182.5 MB. Free memory was 138.6 MB in the beginning and 137.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 842.42 ms. Allocated memory is still 182.5 MB. Free memory was 137.1 MB in the beginning and 136.6 MB in the end (delta: 424.6 kB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50354.08 ms. Allocated memory was 182.5 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 136.1 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 432667, positive: 400498, positive conditional: 400498, positive unconditional: 0, negative: 32169, negative conditional: 32169, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 407443, positive: 400498, positive conditional: 0, positive unconditional: 400498, negative: 6945, negative conditional: 0, negative unconditional: 6945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5726, positive: 5639, positive conditional: 0, positive unconditional: 5639, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5726, positive: 5617, positive conditional: 0, positive unconditional: 5617, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 407443, positive: 394859, positive conditional: 0, positive unconditional: 394859, negative: 6858, negative conditional: 0, negative unconditional: 6858, unknown: 5726, unknown conditional: 0, unknown unconditional: 5726] , Statistics on independence cache: Total cache size (in pairs): 5726, Positive cache size: 5639, Positive conditional cache size: 0, Positive unconditional cache size: 5639, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Independence queries for same thread: 25224 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 432667, positive: 400498, positive conditional: 400498, positive unconditional: 0, negative: 32169, negative conditional: 32169, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 407443, positive: 400498, positive conditional: 0, positive unconditional: 400498, negative: 6945, negative conditional: 0, negative unconditional: 6945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5726, positive: 5639, positive conditional: 0, positive unconditional: 5639, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5726, positive: 5617, positive conditional: 0, positive unconditional: 5617, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 203, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 407443, positive: 394859, positive conditional: 0, positive unconditional: 394859, negative: 6858, negative conditional: 0, negative unconditional: 6858, unknown: 5726, unknown conditional: 0, unknown unconditional: 5726] , Statistics on independence cache: Total cache size (in pairs): 5726, Positive cache size: 5639, Positive conditional cache size: 0, Positive unconditional cache size: 5639, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Independence queries for same thread: 25224 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 432667, positive: 400498, positive conditional: 400498, positive unconditional: 0, negative: 32169, negative conditional: 32169, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 407443, positive: 400498, positive conditional: 0, positive unconditional: 400498, negative: 6945, negative conditional: 0, negative unconditional: 6945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5726, positive: 5639, positive conditional: 0, positive unconditional: 5639, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5726, positive: 5617, positive conditional: 0, positive unconditional: 5617, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 407443, positive: 394859, positive conditional: 0, positive unconditional: 394859, negative: 6858, negative conditional: 0, negative unconditional: 6858, unknown: 5726, unknown conditional: 0, unknown unconditional: 5726] , Statistics on independence cache: Total cache size (in pairs): 5726, Positive cache size: 5639, Positive conditional cache size: 0, Positive unconditional cache size: 5639, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Independence queries for same thread: 25224 - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_updater with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8714.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 649.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8062.5ms, PartialOrderReductionTime: 8050.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=107259occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7483.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 479.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7003.4ms, PartialOrderReductionTime: 6998.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=107259occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_updaterThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33995.1ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 535.2ms, AutomataDifference: 7400.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7652.9ms, PartialOrderReductionTime: 7651.3ms, HoareTripleCheckerStatistics: 4529 SDtfs, 6152 SDslu, 12894 SDs, 0 SdLazy, 2729 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1560.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1057.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=107259occurred in iteration=0, InterpolantAutomatonStates: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 16555.5ms AutomataMinimizationTime, 23 MinimizatonAttempts, 44552 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 49.3ms SsaConstructionTime, 255.5ms SatisfiabilityAnalysisTime, 1293.7ms InterpolantComputationTime, 1790 NumberOfCodeBlocks, 1790 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1767 ConstructedInterpolants, 0 QuantifiedInterpolants, 8090 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...